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Trigger 50 SM og X - Generic Motor Danmark

1. MAGNETO Ignition system OL 6 Ignition system Preparation data 6 1 Ignition coil 6 5 Fault diagnosis 6 2 Trigger 6 6 Ignition system inspection 6 3 Charge coil 6 7 CDI group 6 4 6 1 Preparation data Matters needing attention in operation 1 Inspect the ignition system in accordance with the order stipulated in the fault diagnosis table 2 The ignition system is an electronic auto advance device integrated in the CDI group therefore the ignition time needs no adjustment 3 Inspect the ignition system accordance with the order stipulated the fault diagnosis table 4 Take particular care in disassembly that the CDI group of ignition system should not fall off and drop down or should not stricken with might which is the main cause of fault 5 Bad socket contact is the main cause of the ignition system fault so inspect whether the joint of each part is in poor contact or not 6 Inspect whether the spark plug is utilized at a proper thermal value Improper spark plug may lead to unsmooth operation of engine or burn out of the spark plug 7 Inspection in the chapter is based on explanation of peak voltage and the judgment whether th
2. 86 10 5 Float chamber 87 10 6 Installation of carburetor 87 11 Cylinder cover air cylinder piston 90 11 1 Preparation data 90 112 Fault diagnosis 91 11 3 Disassembly of air cylinder e eset uetu evavesucesceseseceteeeosesessesseteteeseceviveeeecesecsesvsvececoseseeusesecesesekvevee 91 11 4 Disassembly and installation of the piston Soe eee ee ese ee SR saus St paqupa 92 11 5 Installation of the air cylinder esssss ssescesevevevse sececeseseseecocsveveveceseceeeserceveeeoscseevesedceececeveveceeceecs seceee 95 11 6 Disassembly of cylinder COVEL 95 11 7 Installation of the cylinder VOLES 96 12 Crankcase clutch actuating lever 98 12 1 Preparation data POPE ee eee reser reer reer er eee eeere eer er eer E reese reese reser a asss 98 12 2 Fault diagnosis Pree ee ee ee ee ES ES 99 12 3 Crankcase
3. Trigger 50 WM N h d B n M CJ DESIGNS AUSTRIA Service Manual L L Holtvej 8 10 Horuphav 6470 Sydals Telefon 45 73 15 11 00 Fax 45 73 15 11 01 info scanmi dk www scanmi dk CVR 27 73 31 07 www genericmotor dk Juli 2011 TRIGGE RK Z r f SERVICE MANUAL Contents Contents VR VALE RR I o Preface RP VADE EVEN Hel VE E RR Wap 4 Documents to be prepared eR Eee E Inspection adjustment M es 1 9 1 Brake VE CEA EVA aquqa 32 l l Maintenance instruction oS 1 2 Fault diagnosis Dan USN Oe M r M O 32 1 3 Front hydraulic brake e 33 1 4 Rear hydraulic brake SA wi Are are AVR NER US LR ARA VU RN 35 2 Body COVEY M 38 3 Front wheel front suspension 42 3 1 Preparation data 42 3 2 Fault diagnosis T Ee RR UA GER S ee OOS 42 3 3 Front wheel n 43 34 Steering handle RE ES 45 35 Front fork Pr 45 4 Rear wheel rear suspension Wes eiu v os VO VAT AUR e VALE RODEO IR RN ACD KU VAL UE UR NWSE ACD S Ae Raw 50 4 1 Preparation data 50 4 2 Fault diagnosis etre Te Ve EE TI I
4. 12 3 Clutch 12 4 Actuating lever 12 5 12 1 Preparation data Matters needing attention operation Since the crankcase is a thin section casting please avoid impact on it during operation in case there is any distortion or rupture All parts should be cleaned before inspection and test and should be blow dry with high pressure air Before operation discharge the lubricating oil in the crankcase Function of the crankcase the bearing part of the engine Its primary function is supporting the crankshaft clutch gearbox cylinder body as well as the cylinder cover and bearing bursting impact of combustion and movement inertia force of crankshaft connecting rod system and constituting some closed Coil air seal space The crankcase has a hanging hole which links the engine and the frame with other parts by connecting with the hanging hole Preparation reference Unit mm Standard value Allowable limit c S ofeomectins of connecting 0 1 0 35 0 55 rod big end in right and left direction 0 05 Crankshaft clearance of 0 0 008 connecting rod end in vertical ang ole omn Gene Lom 0 03 5 Mii Length of pressure spring 29 4 30 6 Bore diameter of shift fork 7 825 7 845 Shi Thickness of shift fork 3 95 4 05 39 i mechanism Outer diameter of shift drum 41 8 42 41 75 Locked groove width of shift 6 05 6 15 6 3 drum Tools Multi
5. aaa ere reer reese rere ee 99 12 4 Clutch cence nnn 100 12 5 Actuating lever eeessossossessossosocssoseossesocssesosssossosescocsecsoecsosecoeecsoccessecsoseoceessoocessecsosecceessoocesseccescecoe 103 13 Crankshaft connecting rod set and shift chamber 105 13 1 Preparation data eesssossossessossoooessoscsssecsossccoessoscossecsossecvessoscessseceessoocesseccoseceeessoscesseccoseccceseccceessecce 105 13 2 Crankshaft and connecting TOC Set HH 105 13 3 Shift chamber e MM Mese HIM 107 13 4 Shift shaft Set e MM 108 13 5 shaft and sub shaft s Mele 109 14 Cooling system 112 14 1 data swiss wiae eee rere eee reer rere reer re eer upo pus re eee ere rere eee 112 14 2 Fault diagnosis ree ee eee ee AER ee ee ee ee ERE E agr 112 14 3 Water pump water tank eesessessossososssoseossessossssosssossososcocsessosssssecsosscooecsoescsesseceecsoocesseccosscceessoocesooe 2112s 15 Exhaust emission and control system E ES 15 1 Warranty of Exhaust emission and control system rs dee enosessusesebseceviveeceeosoeccesveeoeeceessebee esove 118 15 2 Regular maintenance guideline SUNN Ue E ens O ee dese wua bn ewer eens 119 15 3 Mechanical function of the exhaust contro
6. Testing gauge Measure the clearance of the piston ring and piston ring Z groove Allowable limit Top ring 0 09mm Second ring 0 09mm Unload the piston ring and install each piston ring at the bottom of the cylinder Note Press the piston ring into the air cylinder with the piston crown Measure the interface clearance of the piston ring Allowable limit 0 5mm piston ring 90 Measure the diameter of the piston pin hole Allowable limit 12 04mm KS Ap DL l I I 11 Measure the outer diameter of the piston pin Allowable limit 11 96mm Measure the outer diameter of the piston Note The measuring position and the piston pin form an angle of 90 degree some 15 5mm below the skirt of piston Allowable limit 40 20mm Clearance of the piston pin hole and piston pin Allowable limit 0 08mm Inspect the abrasion and wear of the cylinder inner wall Note Measure the bore diameter of the cylinder at the fF Testing gauge of air cylinder upper middle and lower part when keeping an angle of 90 degree from the piston pin Allowable limit 40 3mm Measure the clearance of the cylinder and piston and take the maximal value as final one Allowable limit 0 1mm 9 Measure the roundness of inner wall diameter difference between X and dir
7. 1 Ignition time i 1 adjustment I CDI group is broken Normal Abnormal Trigger is broken I I adjustable screw of i carburetor oil level I Rare gas mixture loosen the bolt Favorable Maladjusted mM adjustment Too thick gas mixture locking screw Bad heat spacer shim Loosen fixing nut of carburetor No intake air With intake air Broken shock insulator Broken suction line Dismantle the spark plug TNR 4 and put it into spark plug i and check whether the spark plug has flashover cover to connect engine Bad or polluted spark plug l Bad CDI Favorable Bad spark plug spark plug flashover flashover Bad sparking coil The lead of spark plug is open circuit or short circuit Main switch 1s broken w Damaged suction line Ventilation hole clogged 13 Improper gyration hieh speed Troubleshooting Tune up inspection Failure cause ria RR E a amia mm 1 Ignition time adjustment CDI group is broken Trigger is broken Too little gasoline in gasoline tank Gasoline filter of gasoline pipe clogged Conduit clog of evaporation control system of fuel tank Auto oil ring is broken Favorable Spring broken and slack elasticity Bad spring 14 Improper charging overdischarge or over charge of battery Troubleshooting Tune up inspection
8. 8 5 8 1 Preparation data Matters needing attention in operation The conduction of switches may be measured after disassembled from the motorcycle 8 2 Fault diagnosis ARS f EXE Main switch is pushed to ON but the light doesn t work Jo IAN eBad act of the bulb Bad act of the switch Poor contact of the connector or broken line head light bulb headlamp bulb 8 3 Replace the head light bulb 8 3 1 Disassembly and rig Disassemble the air guide sleeve turning light Disassemble the bolts so that the head light could be disassembled Disassemble the glass sheet on the head light Fix the head light and turn the socket clockwise so that the 2 1 ge D e bulb can be removed T3 8 3 2 Installation Install the bulb back to the original position in the reverse order of disassembly 8 4 Replace bulb of the front turning light 8 4 1 Disassembly Unscrew the setscrew on the turning light Ay i NT Remove the bulb socket from the light gt ea AN M 1 INTL PH lt A z position bulb 8 4 2Installation Acadiane bilb Install the bulb back to the original position in the reverse order DE ad light of disassembly 8 5 Replace the bulb of the taillight licence light rear turning light 8 5 1 Disassembly Disassemble the bolts so that the taillight cover can be fixing bolt disassembled Remove the bulb from the socket _ taill
9. Weak flashover of spark plug Strong spark Bad former spark plug Slack spark plug cover Inspect whether the CDI group plug is slack Bad contact of plug Check the conduction among each 1 1 2 1 terminal of CDI group line trap and 1 measure the resistance value 1 Main switch is broken Charge coil is broken Trigger is broken Bad sparking coil lG E Inspection related position Main wiring disconnected Bad contact of joint and socket CDI group is broken meme l Bad sparking coil 16 Inspection adjustment Preparation of documents Cylinder pressure Check list of constant maintenance Gear mobile oil Engine mobile oil oil strainer Changing gear oil Gasoline filter Driving chain Inspection adjustment of accelerator s pull wire Clearance of front rear brake Air cleaner Front shoe block abrasion Spark plug Head lighting Battery Clutch Carburator Front rear suspension system Ignition timing Bolt nut fixture Rim tyre Tyre specification Steering post bearing and handle fixture Preparation requirement General Warning eBefore starting engine please confirm whether there is favorable ventilation and do not start engine in a closed location for that the exhaust gas contains carbon monoxide which may numb or kill people Under certain condition gasolin
10. and loosened 28 Front liquid brake K quiosse 20 1 Maintenance instruction 1 1 Fault diagnosis 1 2 Front hydraulic brake 1 3 Rear hydraulic brake 1 4 1 1 Maintenance instruction Matters needing attention in operation Note The braking components can not be spoiled by oil stain in installation or disassembly Rinse with stipulated cleaning agent in order to avoid reduction of braking quality Inspect the brake before riding the motorcycle 1 1 1 Specification Sander value Gam Allowable thickness of front brake dise 40 thickness of front brake pad thickness of rear brake disc 40 thickness of rear brake pad QJ50 23 diameter of front hydraulic brake p230mm Diameter of rear hydraulic brake 220 Q J50 23A diameter of front hydraulic brake g260mm Diameter of rear hydraulic brake 220mm 1 1 2 torque value Fixing bolt of brake disc 22 29 N m Mounting bolt of brake caliper 22 29 N m 1 2 Fault diagnosis Brake Bad braking quality Slow brake or tight rod 1 Unfavorable brake adjustment 1 Unfavorable brake adjustment 30 2 Brake pad worn out 2 Brake pad worn out 3 Improper installation of brake pad 3 Improper installation of brake pad 4 Brake pad polluted Strange sound in braking 1 Brake pad worn out 2 Brake pad poll
11. part is loosen Rear Compress the rear shock absorber up and down to check the actuation Check whether each part of the rear shock absorber 15 damaged or loosened Suspense the rear wheel and swing it to check whether the engine suspension bush 1 loosened Nut bolt fixture bolt for fixing axle Check whether the bolt nut and fixture of the motorcycle is loosened If so please tighten to specified torque force value Rim tyre Check whether there is crack nail or other damage of the tyre Check the tire pressure Attention The tire pressure should be measured under cold condition 27 Specified pressure unit Kpa Specification Tire pressure Front wheel 3 00 21 QJ50 23 Rear 4 10 18 wheel Front Rear Tyre specification Front wheel 3 00 21 of inside of outside wee Rear wheel 4 10 18 of inside Rear wheel 4 10 18 of outside 100 8017 E 130 80 17 Check whether the front wheel spindle is loosened Check whether the nuts of rear wheel are loosened If so please tighten to specified torque force value Torque force value Front wheel spindle 55 62 N m Rear wheel spindle nut 85 98 N m Steering post bearing and handle fixture Swing the handle to check and confirm whether the leads left are Interfered righ Turn the front wheel and swing the handle freely to actuation Inspection confirm Check the steering post bearing if the handle is not smooth
12. Before the dismantling the spread plate should be flexible in return without clamping stagnation Inspect the wear and tear of the spread plate and shift shaft set Severe wear and replace them Inspect the bent or distortion of shift forks If the bent or distortion is severe replace them Inspect whether the shift shaft is bent 1f it 1s then replace it Inspect elasticity of the return spring weakens and replace it if diameter necessary Measure the bore diameter of the shift fork Allowable limit 7 91mm 106 Measure the thickness of the shift fork thickness H Allowable limit 3 90mm Measure the outer diameter of the shift drum Allowable limit 41 75mm Measure the cotterway width of the shift drum Allowable limit 6 3nm i adi i Y X EE cotterway width F a 13 5 Main shaft and sub shaft 13 5 1 Dismantling main shaft set sub shaft set 107 13 5 2 Inspection surface Inspect the wear and tear of the gear surface and driving pawl Severe wear and replace them driving pawl 13 5 3 shaft and sub shaft assembly Note In the assembly evenly spread lubricating oil on each gear and shaft to ensure no clamping stagnation after assembly sub shaft set Note Assembly of the clutch is conducted in the reverse order of disassembly 108 flow back to the water tank connec
13. If bad startup or unsmooth low speed occurs inspect whether white fume 15 ejected out of the crankcase breather Ifthe crankcase vent hole does have white fume ejected the piston ring must be worn out burnt out or the piston must be broken Low compression pressure ite fume in vent pipe The piston ring is worn out burnt out or broken The piston ring is worn out or damaged The air cylinder piston is worn out or damaged The air cylinder piston is worn out or damaged Compression pressure too high Piston noises The piston combustion chamber has carbon deposit The air cylinder piston and piston ring is worn out The piston pin hole and piston pin are worn out 11 3 Disassembly of air cylinder Disassemble the cylinder body Disassemble the gasket and scrape clean the adhesive gasket at the cylinder junction Inspect the wear and tear of the cylinder inner wall Severe wear and replace it qu cylinder 9 11 4 Disassembly and installation of the piston Disassemble the retaining ring for piston pin Note When disassembling do not drop the retaining ring into the crankcase Withdraw the piston pin and unload the piston retaining ring tor piston pin piston pin Unload the piston ring Inspect the piston piston pin and piston ring Note Do not break or damage the piston ring Clean away the carbon deposit in the piston ring groove Install the piston ring piston
14. The new motorcycle produced by the Company has passed EC 97 24 9 and 2003 77 EC standards implemented by the European Union after noise inspection ze 15 2 Regular maintenance guideline To prevent further environment pollution the State requires all automotive vehicles by manufacturers should meet standards of air pollution emission Our Company does its utmost to purify air and reduce air pollution besides ensuring that production conforms to standards Each of the motorcycles has passed strict inspection before delivered out of the company and meets standards of air pollution emission But since customers differ in use of our products we ve established the following regular inspection table for exhaust emission to ensure normal emission Please inspect adjust or service the motorcycle at schedule time For special problems of use please inquire the dealers or service centers of Generic Related emission regulations are as follows If there 15 any change to the emission standard take the up to date state regulation as final If the motorcycle is banned due to nonperformance of periodic inspection at dealers or service centers of Generic we do no shoulder any responsibilities Please make necessary inspection at any time in order to maintain optimized vehicle conditions Note Increase cleaning times of air filter if the motorcycle is used on sandstone roadways or in severely polluted environment so that service lif
15. gear shape Inspect whether the housing groove of clutch is burred or broken If it s true trim it with a rasper And if it needs a great deal of trimming then it should be replaced Inspect whether the press plate and central gears are damaged If it s true replacement is necessary Measure the free length of the spring Allowable limit 29 0mm 100 Measure the thickness of the wearing plate with a vernter caliper thickthick Allowable limit 2 6mm E 12 5 Actuating lever 12 5 1 Disassembly After unclosing the right cover unload the actuating lever set 12 5 2 Dismantling ratchet elastic collar ratchet spring return spring actuating gear actuating shaft return spring holder O shape ring 12 5 3 Inspection Inspect the elasticity of the return spring and ratchet spring and 1f there 1s damage replace them Inspect the mesh between the spline and return spring holder and ratchet If the mesh 1s relaxed replacement 1s necessary 12 5 4 Assembly Assembly 1s conducted the reverse order of dismantling and disassembly xD Crankshaft connecting rod set b right crankcase F 4 balancing shaft shift chamber left crankcase main shaft set F EN middle fork shaft middle fork fixer set j shift drum left and right fork shaft left
16. Failure cause Measure the voltages i 1 of the both ends ofi i battery start engine Expired battery Battery voltage rised to normal battery voltage value and restore its Bad battery original voltage after killing engine No Increase of Inspect whether voltage regulator plug is slack Normal Abnormal Bad contact of plug Open circuit of red line of wiring Check the voltage regulator socket the red line connects universal meter and positive and negative line connect the voltage of motorcycle With voltage Voltage regulator Open circuit of white line of wiring eee es s Normal Abnormal Bad coil Bad contact of joint White line of alternator Improper charging Start engine the red line of voltage regulator i socket connects to avometer and positive and 1 negative line connects the voltage of motorcycle Voltage Normal voltage higher than normal value Inspect whether the connection of voltage regulator wiring 1s correct Improper contact of joint and Normal and Imprope connection V imperfect earth of wiring 0 disconnected Bad battery regulator unit test impedance Bad voltage regulator 15 Spark plug has flashover Troubleshooting Tune up inspection Failure cause Ra ed a Pe ge ot ru Replace new spark plug Pl M MD and examine it again
17. Keep the brake pad free of grease Note Grease on the brake pad may reduce brake ability and invalidate the brake Screw bolt and nut to the stipulated torque force value Torque value Fixing bolt of brake disc 22 29 N m Mounting bolt of brake caliper 22 29 N m Keep the brake pad free of oil stain If the brake pad 15 polluted with oil rinse it with brake cleaning fluid 32 Note Grease on the brake pad may reduce brake ability and Invalidate the brake 14 Rear hydraulic brake I Brake pad tm E eran 1 4 1 Disassembly Disassemble the rear brake cylinder set Disassemble the rear wheel Note Always replace the brake pad in pairs 019 545 IA 77 elf a brake pad is reused mark a signal on its side before disassembly so that it can be installed to the original position Remove the following components from the rear wheel Rear hydraulic brake 1 Decorative board of rear brake 2 Rear brake system 3 Brake pads 1 4 2 Inspection Inspect whether the brake disc and brake pad are worn out and replace them if necessary Measure the brake pad and brake disc and put down the maximal value Note eClean the rust off the brake disc with 120 sandpaper t must be measured with a bore groove vernier caliper or microcaliper Measure the thickness of brake pad If the thickness of brake pad is less than the maintenance value
18. and right fork shaft 102 H 13 Crankshaft connecting rod set and shift chamber Preparation data 13 1 Crankshaft and connecting rod set 13 2 Shift chamber 13 3 Shift shaft set 13 4 Main shaft 13 5 13 1 Preparation data Matters needing attention in operation Since the crankcase is a thin section casting please avoid impact on it during operation in case there is any distortion or rupture All parts should be cleaned before inspection and test and should be blow dry with high pressure air Before operation discharge the lubricating oil in the crankcase 13 2 Crankshaft and connecting rod set 13 2 1 Disassembly Unload the driving gear of the clutch Unload the driving gear of the balancing shaft Unload the driven gear of the balancing shaft mould assembling bolt Unscrew the mould assembling bolt Disconnect the crankcase Note The gasket and mould assembling surface should not be damaged Unload the left case body gasket Unload the gasket and guide pin Unload the balancing shaft guide pin 105 Remove the crankshaft off the crankcase Scrape away the adhesive gasket on the joint face of the crankcase Note The joint face of the crankcase should not be damaged 13 2 2 Inspection Clearance measurement o
19. and the sleeve Spread grease on the bearing Punch in the left bearing Reload the sleeve Punch the bearing in Note The bearing must be punched in horizontally The oil seal must be punched outward 42 3 3 4 Installation Spread grease on the oil seal at the brake disc Spread grease on the gearing mesh and the active parts of speed indicator Install the brake disc after meshing between gears of speed indicator and the bearing claws Note If the bearing claws do not mesh the claws may be distorted when screwing up the nuts Rotate the wheel after mounting the wheel spindle to confirm whether the driven shaft of speed indicator rotates Mount the wheel spindle nuts and tighten them Remark please refer to Page 41 for the disassembly and assembly diagram of QJ50 23 and QJ50 23A Torque force Front wheel spindle 55 62 Ne m 3 4 Steering handle 3 4 1 Disassembly Disassemble the steering handle sleeve Disassemble the fixing bolts on brake rod and unload the bracket Disassemble the bracket of rear brake rod Remove the throttle handle and bolts Remove the throttle handle and the Throttle cable I weld T of steering Remove the fixing bolts of handle and unload the handle handle 3 4 2 Installation Installation is conducted in the reverse order of disassembly upper connecting Fixing bolt bosd Torque value 5 9 N m 3 5 Front fork bearin
20. and tool box Install the rear mudguard Install the body guard 50 4 4 3 Disassemble the rear rocker Disassemble the chain adjuster rear wheel spindle rear wheel and rear shock absorber Remove nuts and rear rocker Disassemble the chain guard Disassemble the rear rocker set and the sleeve of middle shaft 4 4 4 Inspect the rear rocker Inspect the rear swing shaft by rotating it on flat surface andtis bent please replace it Note Never try to straighten the crooked shaft Clean the parts of rear swing shaft in solvent Inspect the components of the swing shaft sleeve and middle shaft sleeve If they are damaged please replace 4 5Driving chain 4 5 Disassembly Place the motorcycle on flat ground and tightly fasten it Disassemble the shift lever rocker left rear cover and driving wheel Disassemble the rear wheel chain guard and driving chain 4 5 2 Inspection Clean the driving chain by dipping it in kerosene and rinse away dust as far as possible Then take the chain out for air dry Inspect the rotor side plate If they are damaged or worn out replace the driving chain Lubricate the driving chain with lubricant available at b stores Inspect rigidity of the driving chain If it is hard please rinse lubricate or replace it Inspect the driving wheel driven wheel and if 1 4 of the gear teetho 4 are worn out replace the chain wheels And if gear teeth are
21. bent replace chain wheels too Inspect the wheel bearing If the wheel hubcap has bearing clearance or imbalance in wheel rotation then replace the bearing Inspect whether the oil seal is worn out or damaged and replace it if necessary 4 5 3 Relax adjustment of the driving chain Place the motorcycle on flat ground and maintain its upright position Inspect the relax degree of the driving chaino a the value of which should be 30 40 mm If the value is not in line with the specification please make adjustment Unscrew the axle nut Adjust the relax degree of the driving chain The adjusting steps are Unscrew the locknut and screw or unscrew the adjusting device until the relax degree conforms to specification Screw itin and the relax degree will increase unscrew it and the relax degree will decrease Note Coincide the circle number of each adjusting device so that the axle shaft can be correctly installed Finally screw up the lock nut 4 5 4 Installation Installation is conducted in the reverse order of disassembly Install the driving chain housing rear shock absorber left rear wheel and wheel cap of driving chain Adjust the relax degree of the driving chain as well as free stroke of the brake pedal if the relax degree is too low the engine and other important parts will be overloaded maintain the relax degree within the specified value limit 52 U
22. external 100 80 17 Rear external 130 80 17 Wet multidisc brake Manual Chain drive 12V 3AH 1 E40MB 2 BR8ES F10KC 0 5 0 7mm TRIGGER X 50ccm 99UEULIOJ I9 d ome OO Engine Type Fuel type Number of cylinders Inside measure stroke Total flow rate Start mode Cooling mode Lubrication Engine oil capacity Air cleaner Petrol capacity Maximum speed Climbing capability Idling speed rpm 40 2 2 stroke engine Unleaded gasoline of 95 Octane orabove 40 25 39mm 49 6mm Start by electricity foot Water cooling Separated lubrication 0 8L Sponge 10 27 2 0 2L 45km h Maximum climbing angle no less than 15 degree 1400 100rpm min Maximum torque Maximum horsepower Compression ratio Cylinder pressure Front liquid braking disc unit mm Rear liquid braking disc unit mm 2 60Nm 3000rpm 1 39K W 5500 rpm 1 1 1 3Mpa 1400rpm 250mm 220mm 1230 TRIGGER SM 50ccm 1230 10 Troubleshooting Difficult to start or unable to start Troubleshooting Tune up inspection Failure cause check whether there ib gasoline in tank carburator Oil tube clog of gasoline tank carburator Oil tube clog of float chamber No gasoline to carburator carburator Enough oil to Conduit clog of evaporation control system of fuel tank Gasoline filter clog
23. gasoline will invalidate the catalyst Matters needing attention in overhaul of vehicles vent pipes loaded with catalyst converter 1 For Keep the vehicles loaded with catalyst converter away from inflammable materials the engine is too hot to be touched shortly after it is started or stalled 2 Keep the vehicles loaded with catalyst converter away from inflammable materials 3 The vent pipe contains CO that does harm to health therefore don t run the engine in enclosed space 4 The vehicle loaded with catalyst converter can not use leaded gasoline To guard against catalyst poisoning 5 do not start the engine by pushing the vehicle If startup must be done by pushing wait until the temperature of engine and catalyst converter drops 6 Do not shift up or stall when descending 7 Do not drive vehicle with bad ignition 8 Do not repair the engine ignition system by dismantling the spark plug and starting the engine to inspect whether the spark plug is sparkless If such operation is necessary it cannot be performed for a long time ze 15 5 Countermeasure of idle speed emission exceeding specified Qualified Qualified value two stroke Conduct regular inspection maintenance and service plan Measure idle speed emission Remark 1 Qualified Adjust the carburetor Remark 2 Qualified Qualified Disassemble and clean the carburetor for delivery SJ MJ SAJ MAJ and so on Qualified Change the carbur
24. induction device to maintain fine exhaust level In addition the charcoal Canister Purge is employed in vaporized exhaust X Improvement of engine Middle spark plug semicircular combustion chamber and improvement of compression ratio ignition time such improvement in exhaust system alone has achieved high intake and exhaust efficiency which enables increase of combustion efficiency X Air induction device Introduce the air into the vent pipe so that the CO and HC incomplete combustion could be turned into innocuous gas in the second reaction Constituting part Objective and function Hemispherical Middle spark plug and hemispherical Combustion Combustion chamber combustion combustion chamber for security of system 7 chamber combustion Canned oxygenation catalyst installed Exhaust Catalyst l Catalyst device In the center of the vent pipe enables system converter the oxygenation of CO HC and NOX parameters and suggested set value Idle adjustment engine speed 1400 100rpm min CO concentration 0 5 1 2 quu 15 4 Catalyst converter system 15 4 1 Structure 15 4 2 Description 1 The function of the converter catalyst is to convert HC CO and NOx after incomplete combustion into innocuous gas such as and discharge them out 2 The converter catalyst contains rare metal like platinum and rhodium and only unleaded gasoline can be used Note that leaded
25. negative polar of the green yellow line of the starting relay connector Push the main switch to ON to pick up the brake rod The battery voltage should conform to regulations If there is no voltage on the starting relay line inspect the wire and conduction of the brake switch 7 4 3 Inspect the earth line of the start relay Inspect conduction between the gray line at the lead connector terminal and the body ground When pressing the start button the gray line of the connector and the body ground are in good conduction If no conduction occurs inspect the wire and conduction performance of the start button 7 4 4 Actuation inspection Connect the starting relay with the battery and connect the terminal of startup electric machinery with the avometer Connect the fully charged battery between the black line and green yellow line of the relay Atthis point the relay should give out a Click sound and the avometer resistance reads O T2 8 Bulbs switch instrument Preparation data 8 1 Instrument 8 6 Fault diagnosis 8 2 Main switch 8 7 Replace the head light bulb 8 3 Horn 8 8 Replace bulb of the front turning light 8 4 Handle switch 8 9 Replace the bulb of the taillight licence light rear turning light
26. no air in the extender oil pipe otherwise the pipe should be replaced 10 3 2 1 Disassembly Unscrew the bolts and unload the enrichment valve set 10 3 2 2 Inspection enrichment valve Inspect the wear and tear of the enrichment valve and needle valve Ee If the wear is severe replace the electric enrichment valve cc pp As needle valve Set 10 3 2 3 Installation Install the enrichment valve by aligning its flange with the carburetor and fasten the bolts 10 4 Carburetor cover 10 4 1 Dismantling Unscrew the two bolts on the cover and unload the cover shim piston spring compression cap needle valve and piston in turn piston spring 10 4 2 Inspection needle v2 an Inspect the wear and tear of the needle valve and piston If the wear is severe replace them 10 4 3 Assembly Assembly is conducted in the reverse order of disassembly Note Do not damage the needle valve or piston in assembly 84 10 5 Float chamber 10 5 1 Dismantling Dismantle the four fixing bolts and unload the float chamber Dismantle the float pin and unload the float and needle valve set Dismantle the main jet main bubble tube and idle jet Dismantle the idle adjustment bolts 10 5 2 Inspection Inspect whether the needle valve set is worn out or damaged If it s true replace it with a new product and replace the main jet at the same time Inspect whether the idle jet ma
27. noise in shock absorber guard Loosening of bolts in rear shock absorber 3 3 Front wheel 3 3 1 Disassembly Hold the body bottom up so that the front wheel can be suspended Remove bolts and unload the front mudguard and odometer wire Disassemble the front brake wire Disassemble the front wheel spindle Unload the front wheel Remark please refer to Page 41 for the disassembly and assembly diagram of QJ50 23 and QJ50 23A 3 3 2 Inspection 3 3 2 1 Inspect bending of the wheel spindle Place the wheel spindle on the V shape holder and measure with a micrometer screw caliper Allowable limit replace it when the value exceeds 0 2mm 3 3 2 2 Inspect yawing of rim Allowable limit Vertical orientation if the value exceeds 2 0mm replace the rim Transverse direction if the value exceeds 2 0mm replace the rim 4 3 3 2 3 Inspect the front wheel bearing Middle sleeve of front wheel Disassemble the middle sleeve of front wheel and remove the oil seal Inspect rolling condition of the inner race of swivel bearing If it does not roll or is loosely contacted with the outer race or it is damaged please replace with a new one 3 3 2 4 Inspect the spoke Inspect the spoke if it is bent damaged please change it If it is relaxed please fasten it Screw up the spoke with the tightening torque on screw cap of 0 3x 10 N m 3 3 3 Replace the bearing Unload the front wheel spindle
28. or it is polluted by grease just replace it QJ50 23 and QJ50 23A can be applied to all rear brakes Diameter of rear hydraulic brake 9220mm Allowable limit Brake pad 3 0 mm Brake disc 3 0 mm 1 4 3 Installation Install the rear wheel Install the rear brake cylinder back to the original position Install the decorative board of rear brake back to the original position 33 Note Grease on the brake pad may reduce brake ability and invalidate the brake Screw the bolt and nut to the stipulated torque force value Torque value mounting bolt of brake caliper 22 29 N m Keep the brake pad and brake disc free of oil stain If the brake pad and brake disc are polluted with oil rinse them with brake cleaning fluid Note Grease on the brake pad may reduce brake ability 34 air guide sleeve instrument support right front upper board right guard right front lower board Connecting board of left and right right lower board guard Rear mudguard I front mudguard right guard strip downward air sleeve left guard strin ka gt A left front lower board Rear mudguard II left board amp inner rear left front lower board N cushion lock mudguard ri ght frame d left frame guard 35 2 Disassemble the motorcycle body according to the following order Rearview mirror guide sleeve Instrument support Instru
29. rocker 14 Weld assembly of reinforcing plate 15 Rear shock absorber set 16 Fixing bolt and nut 17 Adjusting bolt 47 4 Rear wheel rear suspension Preparation data 4 1 Fault diagnosis 4 2 Rear wheel 4 3 Rear shock absorber rear rocker 4 4 Driving chain 4 5 4 1 Preparation data Matters needing attention in operation There cannot be any oil stain stuck to the surface of the brake disc or brake pad Preparation reference Standard value mm Allowable limit mm Run out Vertical 2 0 of rear direction wheel Transverse 2 0 direction Torque value Nut of Rear wheel spindle 85 98 N m Topping nut of the rear shock absorber 37 44 N m Bottom nut of the rear shock absorber 37 44 N m 4 2 Fault diagnosis 4 2 1 Run out of rear wheel The rim is distorted The tyre is not good 4 2 2 Shock absorber too soft Elasticity fatigue of spring 48 4 3 Rear wheel 4 3 1 Disassembly Loosen the nuts on rear wheel spindle Remove the nuts on the rear wheel spindle and the chain Unload the rear wheel spindle Unload the rear wheel rear wheel 4 3 2 Inspection spindle Inspect the run out of rear wheel Allowable limit Vertical direction 2 0mm or above Transverse direction 2 0mm or above When the run out of rear wheel exceeds the allowable limit the bearing of final drive shaft will be loosened res
30. trigger can be determined Please refer to inspection of the charge coil table 65 6 4 CDI group 014 Red black BEN 6 4 1 System inspection as Nt System Inspection Ia oe Black whit Disassemble the CDI group and inspect the parts related FM NE MEN with the ignition system at the wire terminal 6 4 2 Inspection Disassemble the CDI group and inspect whether the joint 15 loosen or eroded OFF primary ignition coil black white black 0 4Q 10 Secondary ignition coil black spark plug cover 4 5 5 5KQ 10 spark plug not included 6 5 Ignition coil 6 5 1 Disassembly Disassemble the body cover Disassemble the spark plug cover Disassemble the primary ignition coil Disassemble the ignition coil fixing bolts and unload the ignition coil Installation is conducted in the reverse order of disassembly Note The primary coil is installed m accordance with the black white wire 6 5 2 Inspect the primary coil Measure the resistance between terminals of primary coil Standard value 0 40 10 20 If the resistance value is within standard value range the primary coil is good The resistance value oo stands for broken line in the coil so replace with a new product 66 6 5 3 Secondary coll E Measure the resistance value between the wire of spark plug ignition line fi
31. 1 Disassembly Disassemble the fixing bolts Unload the left cover the flywheel with a multiple use fixing spanner Disassemble the flywheel fixing nut Remove the flywheel with a flywheel puller Disassemble the retaining key Disassemble the lead connector of the alternator Disassemble the alternator stator 59 5 8 2 Installation Install the alternator stator to the engine case Connect the lead connector of the alternator Clean the tapered part of the crankshaft and flywheel Install the retaining key of flywheel in the key groove on the crankshaft and confirm Align the flywheel groove with the retaining key of the shaft Note Confirm no bolts are on the inner face of the flywheel because of magnetism of the inner face Fix the flywheel with a multiple use fixing spanner and screw the fixing nut Torque value 9 0 Ne m Install the left body guard 60 F J i Fi Fa f F 1 4 A if k F1 i 2 i y den 3 3 f 1 I 1 5 i T r i r mc T un i nm WR 1 a a i E k ie z r p mE e L 1 S 1 7 NS Vu di NM di at B W B W SPARK PLUG Mud ns EN V IF 10A BL W BW E W G E 7 IGNITION COIL BATTER
32. 121 gt Your Generic Dealer L m Generic Motor Distribution Gewerbeparkstrasse 11 A 3500 Krems E Mail office genericeurope com www genericeurope com
33. 2003 77 EC B stage Our Company gives warranty if the user fully follows regular service and specified maintenance of the system in effective service life 2 Warranty scope 1 Function warranty of exhaust emission and control system We guarantee that within riding of 15 thousand km regular or irregular exhaust inspection standards implemented by the government will be satisfied 3 If the following conditions occur this warranty clause 1s not applicable but maintenance and service at a reasonable price will be provided to customers by our dealers or service departments at province or city level 1 Regular maintenance is not performed in accordance with the specified time or service kilometers by our Company 2 Those who do not have regular inspection adjustment or service at our dealers or service centers or who failto bring forward the maintenance records 3 Overload or improper use 4 Reconstruction of the vehicle disassembly of original binding parts or mounting other equipment at will 5 Used for racing or frequent riding on roads for non motorized vehicles 6 Damage caused by typhoon flood and other natural disasters or damage and fault caused by negligence traffic accidents collision with foreign objects 7 Long term disuse without regular maintenance 8 Odometer damaged without immediate repair or factitious reconstruction disuse and replacement 9 Please go to the check point for regular exhaust inspection every 3 months
34. Auto oil ring is broken Dismantle the spark plug and put it into 1 Spark plug cover to i connect engine and check whether the spark plug has flashover Spark plug is broken Spark plug is polluted CDI group is broken Trigger is broken The lead of sparking coil is open circuit or short circuit Spark plug Weak spark or no spark of spark plug Sparking coil is open circuit or short circuit has flashover Main switch is broken Charge coil is broken Normal compression 1 pressure Start clutch is broken Air cylinder piston and piston ring are Compression Compression pressure too low no compression measuremen pressure broken Cylinder head leaks Auto choke actuation 1s bad Nee team NN burst phenomenon of phenomenon but engine the engine failed to start Intaken air in intake manifold Incorrect ignition time Bad adjustment of adjustable bolt of 1 Dismantle the spark plug carburetor again to re inspect Overhigh oil level of carburetor Auto choke actuation is bad Too big throttle opening Spark plug is Spark plug is dry damp A 11 Improper gyration impotent velocity Troubleshooting Tune up inspection Failure cause Start the engine 1 and slightly 1 accelerate I Air cleaner clogged Bad gasoline Winding number Engine revolution unab
35. J zd 2 Ww KG an MAGN 5 Battery charging system Preparation data 5 1 Fault diagnosis 9 2 Battery 5 3 Charging system 5 4 Voltage and current regulator Di Charge coil of the alternator 5 6 Illuminating coil of alternator 5 7 Disassembly of alternator 5 8 5 1 Preparation data Matters needing attention In operation Note 1 The battery can be charged and discharged over again If the battery is unused after discharge the service life will shorten and the performance will degrade Generally performance of the battery used for 2 or 3 years will degrade Such battery capacity declined may restore its voltage after charging but the voltage will drop off rapidly when loaded 2 Surcharge of battery generally surcharge can be observed from the battery proper If the battery is cut short inside no voltage can be tested at the terminal of the battery or the voltage is very low Invalidation of the regulator the battery will have too high voltage which may shorten its service life 3 Long rest of the battery will result in self discharge and the electric capacity will reduce therefore it must be charged every 3 months 5 Inspect the c
36. Matters needing attention In operation Disassembly of the start electrical machinery may be conducted on the engine Please refer to disassembly operation in disassembly Preparation reference ee Allowable limit Outer diameter of startup idler 7 94mm shaft Torque value Bolt in the clutch cover of the startup electrical machinery 12 Nm Fixing nut in the clutch of the startup electrical machinery 95 Nm Tools Fixing nut spanner Multiple use fixing spanner 69 7 2 Fault diagnosis Unable to startup Rotating force of start machinery too weak No revolution in the RE Rotary Engine Fuse blown Power shortage in battery Bad act of startup clutch Power shortage in battery Poor contact of connecting wire Reverse revolution of startup electrical machinery eBad acts of main switch Gear of the startup machinery jammed with foreign body Power shortage in battery Bad act of startup clutch Bad act of brake switch Bad act of start relay Poor contact of connecting wire Bad act of startup electrical machinery 7 3 Start electric machinery 7 3 1 Disassembly Note The main switch must be switched to OFF before disassembly of the startup electrical machinery Dismantle the bonding strip of the battery and turn on the power supply to see whether the startup electrical machinery will run so as to confirm security First take down the wire clamp of the startup electrical machinery Disassemb
37. NE EV IA VERE WERE RE VENTE ERE TEN EE ee IP NU C Va e V VR V RU V RR 50 4 3 Rear wheel 5 4 4 Rear shock absorber rear rocker EA EVA ES MS VE TRE 52 4 5 Driving cham A E TS SS ee e ee oa SO 293 5 Battery charging system NEUVES CEPS CA EE Nee Ela apaq VR 56 5 1 Preparation data eques haqe E 56 5 2 Fault diagnosis WARE S Y p AUR eee 57 5 3 Battery 2982 5 4 Charging system 59 5 5 Voltage and current regulator P 60 56 Charge coil of the alternator VA ER 60 5 7 Illuminating coil of alternator e e 61 5 8 Disassembly of alternator PARTE e PE VERA RS ER RU RF OOS WN OSS TET 61 6 Ignition system 64 6 1 Preparation data VW ws VR AUR GV UR RR VR VAN CR VR OR p yy VON REL I VUE NOR ene 64 6 2 Fault diagnosis 65 6 3 Ignition system inspection PUE E 66 6 4 CDI DTOUD eat enemas tines a EE E tu qut acne tuv ays 68 6 5 Ignition coil ORNS VA S TE 68 6 6 Trigger 69 7 Startup system RN NR EVENIT UR o 71 7 1 Preparation data 72 Fault diagnosis eS e e eo eee 0 o RC HOD VASE TON Sarge eras Sone els 72 7 3 Start electric machinery IIO 72 7 4 Start relay eee
38. Tightening torque N m Cylinder cover nut Fixing nut in the power gear of the clutch Stud bolt of air cylinder Clutch locknut Lock bolt of flywheel Spark plug Limiting screw of the feet starting lever Shift positioned bolt Mould assembling bolt Bolt on the right and left crankcase cover Loop bolt Motor fixing bolt Separating disk bolt of clutch Fixing bolt of inlet valve Setscrew of shift display Setscrew of constant temperature set Setscrew of electric wire clamp Fixing bolt of water pump 17 piston 1 WI VU crankcase pon lt 1 i carburetor oil tank V oil pump 9 Lubrication system 9 1 Preparation data Matters needing attention in operation The operation of engine in this chapter can be conducted on the motorcycle body When disassembling the oil pump see to it that no foreign objects could enter into the engine After installation of oil pump inspect whether machine oil leaks in each part Function of the lubrication system supplying lubricating oil to the wear surface to reduce part wear by turning dry friction between surfaces into liquid friction between lubricating oil particles cooling high load parts absorbing impact from the bearing and other parts and reducing noises increasing air tightness between the piston ring and cylinder wall cleaning and carrying away impurities on part surfaces 9 2 Fault diagnosis Dec
39. acement C clean L lubrication Remarks 1 for the project of exhaust emission according to the provisions of State Environmental Protection Administration of China the maintenance should be implemented according to the specifications of the Instruction Manual of the Company and should not be adjusted or repaired without permission otherwise the company will not take any responsibility 2 If the motorcycle is driven on the sandstone road or under the environment of severe contamination the times of purging air filtrator should be increased to prolong the service life 3 For the motorcycle which is frequently driven at high speed or the milage is large the frequency of maintenance should be increased Engine mobile oil filtrator Mobile oil level Attention The motorcycle of which the mobile oil is to be inspected should be done on the flat floor eAfter running 2 3 minutes the engine should be stopped for 2 3 minutes for inspecting mobile oil level Inspect mobile oil level When the mobile oil level is below the lower limit please supplement it up to the upper limit position Changing mobile oil Attention Change the mobile oil when the engine is warm for that it is easy to be effuse Dismantle the mobile oil drain bolt under the crankcase and discharge the mobile oil When the mobile oil is completely discharged reinstall the mobile oil drain bolt and joint washer after cleaning Add mobile oil to sp
40. ble the oil pump set and water pump set together water pump set 12 3 3 Installation of crankcase cover Install in the reverse order of operation 12 4 Clutch 12 4 1 Disassembly Unload the right cover and then unload the gasket and guide pin Remove the adhesive gasket on the joint face of the right co 98 Unscrew the four bolts and unload the pressure spring clutch pressure plate Unload the adjustment bolt and clamp nut on the press plate bolt bolt ressure sprin Sada aaa clutch pressure plate Remove the gasket lock by unscrewing the locknut with a special tool Remove the outward release lever of the clutch Unload the wearing plate set centre wearing plate set and iron friction plate See the dismantling diagram for parts M v Ty yb S A E Ja multiple use fixer p u d d Ej rmx 1 1 box spanner Unload the internal gear gasket Unload the housing set Unload the dish gasket and flat gasket housing set Assembly of clutch 1s conducted in the reverse order of disassembly 99 H Housing set Dismantling internal gear gasket Icenter wearing plate iron friction plate fixing gasket dish gasket Locknut bearing ball inward release lever outward release lever pressure Cover clamp nut m pressure spring Bolt and gasket 12 4 2 Inspection
41. blocked Overfuel and oilflow Needle valve blocked Secondary air inlet of fuel system Too low oil level Fuel deterioration Fuel system blocked Bad operation of electric enrichment valve Secondary air inlet of suction system Idle system or choke system blocked Bad act of piston Too dense gas mixture Intermittent flashover in acceleration Bad operation of enrichment valve Too sparse gas mixture Bad operation of needle valve Too high oil level Oilflow in carburetor Air channel blocked Filth in air filter throttle wire 10 3 Disassembly of carburetor 10 3 1 Disassembly 9 Switch the fuel control switch to OFF Pull out the oil inlet hose Pull out the throttle wire Pull out the enrichment valve wire Unscrew the bolts at the interface between the carburetor and engine and at the interface between the carburetor and air filter Unload the carburetor from the two interfaces 10 3 2 Electric enrichment valve Disassemble the carburetor and cool it down for 30 minutes Pull the enrichment valve wire insert the nylon tube into the extender oil pipe within and blow air into the pipe with mouth There should be air in the extender oil pipe 4 otherwise the pipe should be replaced 83 Do not pull the enrichment valve wire insert the nylon tube enrichment valve wire into the extender oil pipe and blow air into the pipe with mouth There should be
42. ch of the fans Replace it when the switch is incapable of normal turn on or turnoff Pressure test of the radiator Remove the radiator cover when the cooling liquid is adequately cooled down exert a set pressure lower than the open valve pressure of the cover on the cooling system with a radiator cover tester and confirm whether the condition can maintain 6 seconds within the rated pressure range when there is pressure leak inspect whether leak appears in the hose each joint mounting point or checkhole of the water pump 14 3 2 2 Installation Install in the reverse order of disassembly A T cooling fan Ful 2 A g p m L switch Muffler 114 vent pipe set N rear shell set c 15 Exhaust emission and control system Warranty of Exhaust emission and control system 15 1 Regular maintenance guideline ensurance of emission standard 15 2 Mechanical function of the exhaust control system 15 3 Catalyst converter system 15 4 Countermeasures to idle speed emission exceeding specified value 15 5 15 1 Warranty of Exhaust emission and control system 1 The exhaust emission and control system of this motorcycle conforms to European Union EC 97 24 5 I and the revised version of
43. ct whether the current regulator plug Is In poor contact and measure the resistance value between the terminals of the voltage and current regulator Note The metal area of the avometer prod mustn t be touched by fingers during inspection Inspect with an avometer Different avometers will give different resistance values and the inspection result 1 incorrect If the resistance value between terminals 1s abnormal the voltage regulator should be replaced 5 6 Charge coil of the alternator Note Inspection of the charge coil of alternator may be conducted on the engine Inspection Disassemble the 4P joint of alternator Measure the resistance value between the white coil of alternator and the motorcycle frame with an avometer 58 white red pink black Unit KO rome m ss Leo 3 pa 9 Dico 2 hay 2 s 12 T Negative pole Standard value 0 6 10 20 If the measured value exceeds the standard value replace the alternator coil 5 7 Illuminating coil of alternator Note Inspection of the illuminating coil of alternator can be conducted on the engine Inspection Disassemble the 4P joint of alternator Measure the resistance value between the white coil of alternator and the body ground with an avometer Standard value 0 6 12 20 If the measured value exceeds the standard value replace the alternator coil 5 8 Disassembly of alternator 5 8
44. e intake of the air filter is blocked Withdraw the mixture adjustment bolt for 1 circle Restart and adjust the idle adjustment screw so that the rotation speed reaches 2000 2500rpm Slowly adjust the mixture adjustment bolts anticlockwise till the engine speed reaches its utmost mixture bolt is withdrawn for two circles at most Reset the idle adjustment screw and set the engine speed down to 1400 100rpm min Pull the throttle for several times for acceleration and inspect whether the idle speed is steady Test the outlet and compare it with the specified standards 86 constant temperature set gasket d spark plug temperature controller 8 amp 7 11 Cylinder cover air cylinder piston Preparation data 11 1 Fault diagnosis 2 Disassembly of air cylinder 11 3 Disassembly and installation of the piston 11 4 Installation of air cylinder 11 5 Disassembly of cylinder cover 11 6 Installation of cylinder cover 11 7 11 1 Preparation data Matters needing attention in operation The operation of air cylinder piston can be conducted on the frame Blow it dry with compressed air after dismantling before inspection and test or after cleaning In order to ensure the encapsulation of cylinder cover and cylinder body the cylinder cover bears considerable bolt retightening force Retightening forc
45. e is prone to volatilize and explode so that the working place should be ventilated and kill the engine and should be free from smoking and lighting in the working area or oil storage 17 Specification Engine Gyration speed at idle 1400 1 00rpm min speed Spark plug gap 0 5 0 7mm Engine oil 0 8L capacity BR8ES F10KC Compression pressure of 1 1 1 3Mpa 1400rpm air cylinder BTDCI2 degree ldegree 1400 100rpm Carriage Free stroke of front brake 20 30mm drawbar Free stroke of rear brake 20 30mm drawbar Specification Tire pressure Front wheel of 3 00 21 2 25 Bar inside Rear wheel of 2 25 Bar outside 100 80 17 Tire pressure unit Bar spindle nut 18 Check list of constant maintenance Mileage and time of Every 3000 6000 maintenance 1000 300 KM KM KM 12000 KM 14500 KM KM Tools New T One Inspection items motorcy 3 months 6 months A year 15 months month r je General purpose tool Gasoline filter o General purpose tool _ General purpose tool Changing engine mobile oil ire pressure I i I i I General purpose tool Pressure meter inflator Gravimeter universal meter General purpose tool General purpose tool General purpose tool T Clearance inspection Handle inspection Shock absorber inspection Torque spanner General purpose tool General purpose tool General p
46. e of the engine may be extended When the vehicle is driven at high speed or in frequent use with considerable service kilometers its maintenance degree should be increased Ensure the emission standards and pay attention to the following matters 1 Please use 92 or 95 unleaded gasoline only 2 Please use machine oil of specified Standard only 3 Please maintain the motorcycle according to stipulations in the regular maintenance table 4 gt As to exhaust control system random adjustment or replacement including use of spark plug idle adjustment ignition timing carburetor adjustment is strictly forbidden 5 Matters needing attention The disorder of ignition charge and fuel system will have great impact on the catalyst device therefore if you feel disorder of the engine please go to designated dealers or service centers of our Company for inspection adjustment or service Please use 92 or 95 unleaded gasoline only or else the catalyst device two stroke system will be damaged 6 The exhaust control system of the product conforms to state regulations so make sure to use parts from Generic when replacing any part of the system And the replacement should be carried out by the designated dealers or service centers reque 15 3 Mechanical function of the exhaust control system Outline The countermeasure of exhaust gas 1 taking the two stroke single cylinder engine carburetor mode as the reference and adopts Air
47. e performed with a voltage meter 5 3 2 Charge Connecting method Connecting the positive pole of charger and the positive pole of battery Connecting the negative pole of charger and the negative pole of battery Warning Keep the battery away from ignition sources eShut off the charger first once charge is started or finished so as to prevent explosion hazard caused by flashes at the interconnecting part Charge operation must follow the marked time on the battery b6 _ mounting position d of the battery Note eFast charging cannot be used except in contingency situations Do not measure the voltage until 30 minutes after the charge Charging current Standard 0 4A Fast 4 0A Charging time Standard 10 15h Fast 30m Charge completed open circuit voltage 12 8V or above 5 4 Charging system 5 4 1 Short circuit test Remove the ground wire off the battery connect the voltmeter between the battery negative pole and ground wire with the switch at OFF and inspect whether there 15 short circuit Note Connect the positive pole of avometer with the negative pole of battery If there 15 any disorder please inspect whether the main switch and main wire are in short circuit condition 5 4 2 Inspect the charging state Test with an avometer when the battery is fully charged Mount the fully charged battery after the engine warms up Connect a voltage me
48. e resistance value of ignition coil is OK or not according to records after the inspection 8 Inspection of the main switch should be performed in accordance with the conduction table 9 The disassembly of the alternator and stator should be conducted in accordance with the disassembly explanation Preparation reference Standard value CSHSA NGK Recommended Hard plug C6HSA NGK spark plug Soft plug C7HSA NGK Spark plug gap 0 5 0 7mm resistance 04Q 10 value of with plug cover 8 ww Secondary Ignition coil coil without plug cover 4 5 5 5 20 resistance value of the trigger 20 100 2000 measured peak voltage of ignition coil at go 95 400V Trigger voltage 1 7V or above Tools Accessory of peak voltage meter Avometer 62 6 2 Fault diagnosis No flashover in spark plug Abnormal circumstance Cause of badness confirm in order from 1 The interior resistance 1s too low and test it with a designated tester The cranking speed 1 too low ignition high voltage too low The tester is disturbed if the voltage coil measured for several times is above standard then the value is normal poor contact of 1gnition system wire bad act of the 1gnition coil bad act of the charge coil peak connecting error in tester bad act of the main switch poor contact of CDI joint short circuit or poor contact of CDI side no high voltage off and on ground wire voltage high vo
49. e value 50Nm All parts should be cleaned before inspection and test and should be blow dry with high pressure air Function of the cylinder the cylinder body provides space for the compression burning and expansion of air and plays a steering function to piston motion It also transmits part of the heat in the air cylinder to the surrounding cooling media Function of piston 1 Bearing the pressure caused by burning of combustible mixture gas and pass the pressure to the connecting rod driving the rotation of the crankshaft 2 Shaping a combustion chamber with the cylinder cover and others 3 Acting as the sliding valve to lock and unlock the air channel pressing the fresh air mixture the crankcase into the air cylinder and ejecting the exhaust gas out of the air cylinder after combustion Function of the cylinder cover the cylinder cover is designed to encapsulate the air cylinder constitute a combustion chamber with the piston and bear combustible gas with high pressure and high temperature Preparation reference Unit mm 88 Allowable Item Standard value m limit Ar Bent Cyndy _______ Roundness _ ooo clearance between the piston 0 015 0 05 ring and piston ring groove 0 015 0 05 OO ring Piston and 0 1 0 25 i Interface clearance ring rng Outer diameter of piston pin Clearance of piston pin hole and piston pin Bore diameter of connecting rod small end 11 2 Fault diagnosis
50. ecified volume Engine oil capacity 0 8L Check mobile oil leakage start engine at idle speed for several minutes Reinspect mobile oil level Gasoline filter Inspection of the deterioration and damage of fuel manifold If there is any deterioration damage and fuel leak it should be 20 replaced with new product Warning Smoking or lighting fires are strictly forbidened Inspection adjustmentof accelerator s pull wire Check the smoothness of accelerator pull wire Check the clearance of accelerator pull wire Clearance 2 6mm The main adjusting position is on the carburator side Loosen the fixing nut and adjust by turning adjusting nut Air cleaner Replacement of filtrator Dismantle the cushion and frame cover Dismantle the fastening screw of air cleaner cover and take down strainer cover Dismantle bolt and take down filtrator Dismantle the sponge from the filtrator Vent Pipe qu Check whether the filtrator 15 polluted or damaged If it is polluted or damaged please replace with new one Changing time If the motorcycle is frequently driven on bad road or in rain it should be replaced early Attention Please confirm whether the air cleaner 15 installed as installing air cleaner cover 2 Check the overburning pollution and carbon laydown of spark plug If there is the said problem please purge it with cleaner of spark Dismantle spark plug plug or
51. ection Allowable limit 0 04mm Measure the cylindricity of inner wall diameter difference at E dS niddle and lower part in X or Y middle direction Allowable limit 0 05mm middle lower Inspect the flatness of the cylinder surface Allowable limit 0 05mm Measure the bore diameter of connecting rod small end Testing gauge Allowable limit 15 06mm 11 4 1 Installation of piston Install the guide pin Evenly spread machine oil on each piston ring and piston and correctly install the piston ring by aligning it with the guide pin on the piston Note The piston should not be scratched and the piston ring should not be broken Top ring The piston ring should be assembled with its second ring marked side upward 92 Scrape the adhesive gasket off the crankcase Note No foreign objects should fall into the crankcase Install the piston piston ring and retaining ring Note Install according to the arrow mark on the piston top The retaining ring should not fall into the crankcase 11 5 Installation of the air cylinder Install the gasket on the crankcase Evenly spread machine oil on cylinder inner wall piston and piston ring Take care to install the piston ring in the cylinder Note The piston ring should not be damaged 11 6 Disassembly of cylinder cover YX plug fixing bolt 11 6 1 Disassembly Disassemble the spark plug and unscrew tempe
52. emblies that should be made from outside to inside and started from small one The complicated assembly transmission case for instance should be stored according to proper assembly sequence in order to facilitate the assembly in the future For the important assembly position 1 should be given special attention before dismantling The parts out of use should be replaced before dismantling in time The length of bolts to assemblies and frame cover are different which should be installed in correct position and the bolts may placed in the hole to find out whether they are suitable if they are mixed For the installation of oil seal the grease should be filled in oil seal groove as installing oil seal 1t should check the smoothness of oil seal whether it will likely damage the oil seal For the installation of rubber hose fuel vacuum or coolant the ends of which should plug into the bottom of the joint in order to ensure that there is enough space for hose clamp to clamp the joint The rubber or plastic soldering cup should restore its original design position As dismantling ball bearing please use the tool to withstand one or two internal and external bearing runners If the strength 15 only applied onto a rolling ring no matter internal or external the bearing may be damaged as dismantling and has to be replaced In both instances the be broken bearings will Specififcation Sheet Trigger X 50cc
53. etor Disassemble and repair the engine Qualified evalve leak episton wear ecombustion chamber Remark 1 Measure with idle speed measuring procedure Remark 2 Adjust the engine speed within the stipulation with a set screw and measure idle speed CO HC Meanwhile adjust the air bolt so that CO concentration reaches 1 5 4 5 120 eu QJ50 23 23A ELECTRICITY PRINCIPLE DIAGRAM LOW BEAM INDICATOR LIGHT INSTRUMENT PANEL LIGHT NEUTRAL INDICATOR LIGHT e SUN TEMPERETURE ACTOMIZATION BRAKE syrtcy TURN SWITCH BATTERY CONTRAL THERMOELEMENT TURN SIGNAL INDICATOR LIGHT BORN ewirca STARTOR SWITCH OIL SIGNAL INDICATOR amp i ROTATION SPEED ALARM 38 INDICATOR LIGHT a T ry 2 Au zu ibd V v TRAY del G B LR B BL RIGHT TURN LIGHT 10 Ee o uar _ en mhp E R H R k __ ETT SSS EE y pe 01 TH I TAIL BREAK LIGHT 21 5W Y PLATE LIGHT 5 LEFT TURN LIGHT 10W rte miss RIGHT TURN LIGHT LOW G F aa Ta aa mm 1 HIGH BEAM au LEFT TURN LIGHT 10 Cine fi i A IGNITION FLASHER SWITCH RECTIFIER MAGNETO STARTOR MOTOR FAN TeupERATING SENSN SPEED SENSOR COLOR BLACK RED WHITE BLUE GREEN ORANGE BROWN LIGHT BLUE DARK GREEN GRAY
54. f connecting rod big end in right and left direction Allowable limit 0 55mm 20 AO measuring position of connecting rod big end Clearance measurement of connecting rod big end in X and Y direction Allowable limit 0 05mm Measure the vibration of crankshaft Allowable limit 0 1mm 104 Inspect whether there are strange noises or loosening in rotation of the crank shaft bearing If there is strange noises or loosening replace the crankshaft Set 10 _ crank shaft bearing Note Install the crankshaft connecting rod assembly on the crankcase along with the gear change mechanism 13 3 Shift chamber 13 3 1 Disassembly Carry the shift shaft set Unload the shift fork shaft of the accessory shaft and the right and left shift forks shift shaft set Unload the middle shift fork shaft and middle shift fork Unload the shift drum Unload the positioning set located under the shift drum middle fork shaft and shift fork EL deum Unload the main shaft set Unload the sub shaft set t main shaft set sub shaft set 108 Unload the bearing and oil seal of the left crankcase Inspect whether the bearing or oil seal is damaged and replace if necessary 13 3 2 Installation Installation is conducted in the reverse order of disassembly 13 4 Shift shaft set 13 4 1 Dismantling hift shaft set spring sleeve return spring 13 4 2 Inspection
55. g _ amp 3 5 1 Disassembly Sipe iff Agr ni Di Disassemble the front mudguard Disassemble the front wheel Disassemble the brake wire and speed indicator wire Disassemble the front shock absorber Disassemble the fixing nut Disassemble the steering handle 43 steering a rd ent shock absorber Tools Fixing spanner of steering lever Fixing nut spanner Note Clean the opening part of the body guard board with rags Specification of the front shock absorber Length 862 5mm Angle 64 Compression stroke 200mm 3 5 3 Installation Tools Fixing nut spanner Rotate the front fork left and right to confirm there is no loosening Steps Install the steering handle Install the front shock absorber Install the front wheel 44 upper connecting i i 7 Di T Di OH shock absorber Y i 7 fixing bolt of steering columns Rear wheel rear suspension QJ50 23 45 Rear wheel rear suspension QJ50 23A 46 Rear shock absorber rear rocker 1 Mounting shaft of rear rocker 2 Cover of rear rocker 3 O shape sealing washer 4 Distance sleeve 5 Inner spindle sleeve 6 Weld assembly of rear rocker 7 Chain sleeve 8 Chain guard 9 Wire clamp of hydraulic brake 10 Connecting rod set of rear shock absorber 11 Rocker set of rear rocker 12 Chain tensioner sprocket 13 Decorative board of rear
56. grease Mount the electric brush on the brush holder Spread grease on the active parts of the electric brush ends Press each electric brush into the holder and mount the front cover Note eTake particular care that the contact surface of the electric brush and armature can not be damaged Take care in case the mounting shaft of the armature should damage the oil seal lip Mount the new gasket ring to the front cover Install the motor housing by aligning its bolt holes with those in the front cover Screw the housing bolts Note When the housing and front cover is assembled together the armature is easy to pull up with a magnet attracting the front cover and can be put together with slight press down by hand 7 3 5 Installation Mount the wire of the startup electrical machinery and confirm the soldering cup is installed Then install the startup electrical machinery Install the wire clamp of the rear brake TJ electric brush 7 4 Start relay 7 4 1 Actuation inspection Disassemble the body guard Push the main switch to ON and press the startup electrical machinery with a click Inspect by sound Sound means normal no sound Inspect voltage of the start relay nspect the earth line of the start relay nspect actuation of the start relay 7 4 2 Inspect voltage of the start relay Erect the main stand and measure the voltage between the earth line of the frame and the
57. gure y 2 cover with the spark plug terminal Standard value 8 11KQ 20 If the resistance value is within standard value range the primary coll 1 good The resistance value oo stands for broken line in the coll Remove the spark plug cover and measure the resistance value between the primary wire of ignition coil and the negative terminal Standard value 4 5 5 5KQ 10 20 6 6 Trigger Note Inspection of the trigger can be conducted on the engine Inspection Disassemble the body guard Disassemble the lead connector of the trigger Measure the resistance value between the blue white terminal at the engine side and the body ground Standard value 100 2000 20 magnetor connector If the measured value exceeds the standard value replace the alternator black DIO ie white white sleeve DJ7041 1 5 21 termina D J624 1 waterproof bolt MFD006 4 6T BRAKE SWITCH BRAKE SWITCH BATTERY RELAY STARTOR MOTOR SIARTER SWITCH m o gt 3 i startup diagram 68 7 Startup system Preparation data 7 1 Fault diagnosis 752 start electrical machinery Lo Start relay 7 4 7 1 Preparation data
58. harging system in accordance with the order stipulated in the fault diagnosis table 6 If there is electric current passes through an electrical unit do not disassemble the connector otherwise overtension will occur which can damage the electronic parts inside the voltage regulator The main switch must be pushed to off before any operation 7 Maintenance free dry charged type battery does not need inspection replenish of electrolyte solution or distilled water 8 Inspect the entire power load 9 Emergency charging cannot be used except in contingency situations 10 In emergency charging of the battery it must be unloaded from the motorcycle before charging 11 Please do not use liquid type battery when exchanging batterys 12 A voltage meter must be used when inspecting the charging conditions 54 Preparation reference capacity type 12V 3AH Dry charge type Battery Fully charged 13 1V 20 Must be 12 3V not work for an hour charge x Charging current current Standard Fast dA 0 4 Fast time Standard 10 LR Fast 30m Capacity 80W 5 80W 5 000rpm Alternator Coil impedance value Between white and black 3 3 3 50 20 semi wave short circuit mode regulator Clamping limit 13 5V 5 000rpm voltage Charge limit 14 15 0V 5 000rpm Torque value Tools Rectifier bolt 5 0 N m Multiple use fixing spanner Fixing bolt of high tension coil 9 0 Nm Flywheel d
59. ight 8 5 2 Installation Install the bulb back to the original position in the reverse order of disassembly jum p ES Ew UO op 8 5 a gt 8 5 3 Replace the bulb of the rear turning light 8 5 3 1 Disassembly Disassemble the bolts so that the turning light cover can be disassembled Remove the bulb from the socket 8 5 3 2 Installation Install the bulb back to the original position in the reverse take turns of disassembly 74 8 6 Instrument Disassemble the rearview mirror Disassemble the faucet shield and unplug the waterproof connector Disassemble the bolts Disassemble the instrument case so that the instrument could be disassembled Install the speed indicator back to the original position in the reverse order of disassembly 8 7 Main switch 8 7 1 Inspection Disassemble the setscrews Unload the fixing pad of the main switch Disassemble the setscrews and replace the main switch 8 8 Horn Inspection Disassemble the horn wire If the horn rings when the horn wire is connected with the battery then it is the fine conditions 8 9 Handle switch Disassemble the rearview mirror and the handle cover Disassemble the handle switch connector Inspect the terminal of connector 75 orange black green white pink white red green black brown 76 Table of torque value of engine fastener Fastening area and fastener name
60. in jet and main bubble tube is worn out damaged or polluted If it s true replace them Note The idle adjustment bolt and nozzle shouldn t be damaged When screwing off the idle main jet adjustment bolts memorize the circle number idle jet needle valve set __ float pin float F Clean every part of the carburetor with gasoline main bubble tube and blow them dry with high pressure air m 10 5 3 Assembly Assembly is conducted in the reverse order of disassembly idle adjustment bolt 10 6 Installation of carburetor Assembly 15 conducted In the reverse order of disassembly Note The 14 speed must be adjusted after the Installation Assembly is conducted in the reverse order of disassembly Install the carburetor in the reverse order of disassembly 10 6 1 Adjustment of carburetor Note The idle adjustment bolt was adjusted when delivered out of the factory and needs no readjustment When dismantling take down the turning circle number for the benefit of installation Switch on and warm up the machine for about 3 minutes so that the engine will operate in normal running temperature Adjust the idle adjustment bolts and set engine speed to be 1400rpm Screw the mixture adjustment bolt to the end with proper force 85 At this point the engine will stall Gif not inspect whether air escapes at the interface of air filter whether the bolt is tightened and whether th
61. issembler Testing instrument Avometer 5 2 Fault diagnosis No power supply Discontinuous current Over discharge of battery Poor wiring contact of battery Battery wire not connected Poor contact of discharge system Fuse blown Poor contact or short circuit in lighting system Bad act of power switch Low voltage Bad act of charging system Battery badly charged Poor contact short line or short circuit of wire terminal Poor contact Bad act of voltage and current regulator Bad act of charging system Bad act of alternator Bad act of voltage and current regulator E 5 3 Battery 5 3 1 Disassembly of the battery Unclose the pad Disassemble the left guard strip and then the air filter cover Disassemble the negative wire and then the positive wire Take out the battery Warning In the disassembly of positive pole the tools mustn t contact the frame because the short circuit spark will ignite gasoline and damage the battery Installation 15 conducted in the reverse order of disassembly Note In order to prevent short circuit connect positive pole first before the negative pole Inspect the charging state open circuit voltage Unclose the pad Unclose the top cap of the air filter and disassemble the connector wire of the battery Measure the voltage between battery terminals Fully charged 13 1V Undercharged 12 3V The battery does not work for an hour Note Inspection of charging state must b
62. l system eT CTT TT eT A ere eee eee Tere ere ee 120 15 4 Catalyst converter system eesssossossessossosoessoscsssessosscovecsooccssecsosesoossoseososccosecooessoocesseccossecoesseocesseoe 121 15 5 Countermeasure of idle speed emission exceeding specified value two stroke 7008 122 Preface This Manual explains the maintenance of Generic Trigger 50ccm The documents to be prepared are the maintenance manual and all the operations are included in please read the manual prior to operation Inspection and Adjustment explains the gist of inspection and adjustment the maintenance of safety of vehicle and the performance of each part should come into force since regular inspection After Chapter I is the explanation of the gist of disassembly assembly and inspection of engine entire vehicle and electric fittings There are exploded view system diagram maintenance fault diagnosis and explanation before each chapter Notice For the universal parts of both types of motorcycle this manual does not seperate the explanation There 15 no prior individual notification on the alteration of mode or structure of motorcycle and the actual product shall prevail if there is discrepancy between the photos pictures or explanation contained in this Manual and the actual product Documents to prepared General safety Maintenance regulation Specififcation sheet Troubleshooting General safety Carbon monoxide The engine should be
63. le Conduit clog of evaporation control of engine letel system of firing chamber increases completely Exhaust pipe clogged a qu Auto choke is bad Adjust ignition i cR oe ii DHL timing and use ignition timing light Auto oil ring is broken Correct time ignition Incorrect ignition time CDI group is broken Trigger is broken Air cylinder piston and piston ring are broken Carburetor vacuum module is broken Cylinder head leaks Cleaning contamination Check whether mobile oil in crankcase is too much or polluted Normal mobile much L a E s im s oil level Too much mobile oil T Cleaning contamination No pollution and With pollution Discrepancy of spark plug heat value discoloration and discoloration mobile oil up Too little mobile oil Inspect the lubrication of cylinder head 5 Piston cylinder wear Piston cylinder wear Bad gasoline Too much carbon laydown in combustion chamber Too early ignition time COE Accelerated drive oneration Bad gasoline lippi f clutch No phenomenon With phenomeno am Slipping of clutc of detonation of detonation Tenuity of gas mixture Too much carbon laydown in combustion chamber Too early ignition time 12 Improper gyration especially at low speed Troubleshooting Tune up inspection Failure cause
64. le the fixing bolts on the startup electrical machinery and unload the electrical machinery Roll up the rubber waterproof jacket and disassemble the joint of startup electrical machinery 7 3 2 Dismantling Disassemble the housing bolts front cover motor housing and others 7 3 3 Inspection Inspect other spare parts If uneven wear damage or burning is detected on the surface replace it with a new one The adhesive metal powder between commuator surfaces must be cleaned away 70 Inspect conduction of contact surfaces between other assemblies Confirm the armature shafts between each surface of the commutator cannot be connected Inspect conduction of the housing of startup Confirm the terminal and housing of the startup electric machinery cannot be connected Confirm the terminal and housing of the startup electric machinery cannot be connected Inspect conduction of the terminal and electric brush If there 15 disorder replace 1 with a new one Inspect conduction of the brush holder If there is conduction replace is with a new one Measure the length of the electric brush Allowable limit 8 5mm under the value replace it Inspect whether the needle shaft in the front cover is flexible in rotation and whether it 1s loosen when pressed in If there is disorder replace is with a new one Inspect whether the oil seal is worn out or damaged 7 3 4 Assembly Oil seal in the front cover and coating of
65. ltage x act of charge coil Cpeak voltage test bad act of trigger peak voltage test bad act of connector for high voltage wire bad act of CDI group when item is abnormal or when there is no spark in the sparkplug bad act of spark plug or power leak in Normal high voltage no spark secondary coil bad act of ignition coil The interior resistance 1s too low and test it with a designated tester no high voltage The cranking speed is too low charge The tester is disturbed Gif the voltage coil measured for several times is above standard then the value is normal bad act of the charge coil no abnormality in Item high voltage bad act of the charge coil The interior resistance 1s too low and test it with a designated tester high voltage too low The cranking speed 1 too low trigger The tester is disturbed Gif the voltage measured for several times 1s above standard then the value is normal bad act of the charge coil no abnormality in Item no high voltage off and on bad act of the ignition coil high voltage bad act of the trigger 63 6 3 Ienition system inspection avometer Note When there is no spark in the spark plug inspect whether the wire or part is loosen or in poor contact and confirm whether each voltage value is normal Since there are a great many of avometer brands with different interior resistance the values tested will differ accordingly high vol
66. m Trigger 50ccm Engine Type 40 2 2 stroke engine Unleaded gasoline of 95 Full length mm 2060 Fuel type Full width mm 890 cylinders Full height mm 1230 Istae ruens 40 25 39mm stroke Wheelbase mm 1370 49 6mm Front 53 Start electricity foot Rear I I Vehicle weight kg 58 Cooling mode Water cooling 111 Separated lubrication Front Front Cinternal Cexternal Tyre specification 3 00 21 3 00 21 Rear internal Rear external Air cleaner Sponge 4 10 18 4 10 18 Petrol capacity 10 27 0 2L Wet multidisc brake lutch i speed Climbing Maximum climbing angle Transmission Manual capability no less than 15 degree ONE a 1400 100rpm min rpm Driving mode Chain drive torque x 12V 3AH 1 39KW 5500 rpm capacity type horsepower 1 Generator type 1 40 2 7 0 ratio Spark plu BR8ES F10KC Cylinder 1 1 1 3Mpa 1400rpm pompe pressure EXE ap Engine oil 0 8L o m 8011695 99UEULIOJ I9 d uone ejsur EAA Front liquid Spark plug gap 0 5 0 7mm braking disc 230mm z unit mm 2 Rear liquid Ignition mode CDI braking disc 220mm Specififcation Sheet Trigger SM 50ccm Full length mm Full width mm Full height mm Wheelbase mm Vehicle weight kg Tyre specification Clutch type Transmission Battery capacity type Spark plug Spark plug gap 8011695 uone ejsur EIAN Trigger 50ccm 2035 890 1230 1390 Front axle Rear axle Total 115 Front
67. ment Front mudguard Front top guards Front bottom guards cushion Ieft right guard strip Rear left and right guard Connecting board of left and right guard l Rear mudguard I Rear mudguard II Inner Rear mudguard Left guard Left and right guard of the frame Note Do not damage any body cover during installation or disassembly Do not damage the knuckle on body cover during installation or disassembly Align the panel and cover plate on the body cover with their own grooves Correctly install the knuckle of each part in assembly No spare parts could be damaged in installation of the cover 36 Front wheel front suspension QJ50 23 Front wheel front suspension QJ50 23A gt 004 0 050 23 Front wheel front rim mounting bolt of brake disc left shaft sleeve of front wheel rolling bearing front wheel spindle oil seal of front wheel rolling bearing d lodometer gear stand middle shaft sleeve of front wheel 7 front rim set front brake disc QJ50 23A Front wheel vacuum tyre front rim front brake disc oil seal of front front wheel spindle wheel ig a odometer gear stand rolling bearing oil seal of front wheel left shaft sleeve of front whee rolling bearin j middle shaft sleeve of front wheel mounting bolt of brake disc 30 3 Front wheel front
68. mpellers Note Gasket and joint face of case body should not be damaged in operation 14 3 1 2 Inspection Inspect the wear and tear of the impeller set Severe wear and replace it 14 3 1 3 Installation Assembly is conducted in the reverse order of disassembly 14 3 2 Disassembly and installation of the water tank Unscrew the setscrews of water tank and unload it Dismantle the power line of the cooling fan Dismantle pipes to the water tank Dismantle the water tank pes 14 3 2 1 Inspection Open the water tank cover and inspect the cooling liquid volume in the tank When the volume reaches certain limit cooling liquid should be appended If the radiating fins are crushed or distorted cooling capacity of the radiator will decrease When more than 1 3 of the radiating fins are crushed or distorted trim them with a small pin Inspection of the liquid in the radiator Confirm the liquid has adequately cooled down before dismantling the radiator cover Eject all cooling liquid out Gradually inject the formulated cooling liquid through the filling hole mounting hole of the radiator till reaching the margin of the filling hole Mount the radiator cover Note Please use the cooling liquid produced by Generic Company the lowest service temperature of which is 35 B N l margin f t centidegree Inspect the swit
69. nspect and ensure there s no oil leaking in each part of the oil pump The oil seal should be in good shape After assembly the gear wheel and gear should be flexible in rotation without clamping stagnation j k a a 1 E 4 s i a i im 1 RUE A Lw r t a 2 UE z z NC w F 1 dl d outer diameter oil tube sleeve oil pump body 9 3 5 Installation tight wire fixing set of the oil pump Install the oil pump body oil tube sleeve and tight wire fixing set of the oil pump Fix the tight wire of throttle Install the oil pump cover an AVE tight wire fixing set L I E r of the oil pump Hr Install the drive gear set of oil pump 8 drive gear set 10 Carburetor Preparation data 10 1 Float chamber 10 5 Fault diagnosis 10 2 Installation of carburetor 10 6 Disassembly of carburetor 10 3 Carburetor cover 10 4 10 1 Preparation data Matters needing attention in operation Note Gasoline is extremely dangerous so smoking or lighting is strictly forbidden in operational field special attention to flakes No wire should be pulled and bent with rudeness Distortion or damage will have impact on wire actuation After the carburetor is disassembled choke the intake manifold with clothing to prevent entry of fo
70. of connecting position from explosion hazard The current time specified on the battery should be the reference for charging Attention If quick charge of battery is abnormal the battery should not be used The voltage should be measured every 30 minutes after charging Charging current standard 0 4A Quick 4 0A Charging period standard 10 15 hours Quick 30 minutes Completion of charge CCU above 12 8V 23 Carburator Idle adjustment Attention The idle adjustment should be made when the engine is warm It should be conducted after the warm up of engine Start engine and connect the turnmeter of engine Adjust the accelerator pull wire and bolt stopper to specifiy yoq 3unsn pe poods o p the winding number Winding number at idle speed 1400 100rpm min Readjust the idle adjustment bolt when the gyration at idle speed is instable or there is dificulty of slight acceleration Ignition timing fastening bolt Attention The ignition timing requires no adjustment for CDI ignition device Check the ignition system if the ignition timing 1 incorrect Dismantle the left cover of engine VW left cover Use the ignition timing light to inspect and confirm ignition timing Cylinder pressure It should be made when the engine is warm Dismantle spark plug Install cylinder pressure meter Full throttle press Start to run motor and measure the cylinde
71. ple use fixer Clutch spring compressors Driver s perch Box spanner Guide rod Bearing driver 96 12 2 Fault diagnosis Low compression pressure Strange noises in crankcase Air escape in crankcase Parts shattered or broken in crankcase Overheat of engine Engine stalling Slipping of clutch Clutch depressed Lubricant starvation Unable to put the shift Difficulty in gearshift Gearshift fork broken or distorted Half disengagement Fork pin broken Bad operation of shift return spring Gear cam wear Locked groove wear of shift drum Automatic off gear Joint cam is worn out and the edge turns round Weakening elasticity of return spring The spline gear of the spline shaft and spline groove of the slide gear are worn out resulting in considerable axial force in gear movement The shift drum and shift fork are worn out binding bolt 12 3 Crankcase gt 12 3 1 Disassembly of left crankcase COVCT Unscrew the binding bolt and unload the left crankcase cover called as left cover for short in the diagram magnetor set i a ue Unscrew the locknut and unload the magnetor set Unload the release lever set Unload the electric starter set release levered set ma 12 3 2 Disassembly of right crankcase COVCT Unscrew the binding bolts and unload the right crankcase cover called as right cover for short in the diagram Note when unloading the right cover disassem
72. r pressure Compression pressure 1 1 1 3Mpa 1400rpm 28028 o1nsso1d Check the following items if the compression pressure 1 too low A e _ Damage of piston ring 0 J TE wem NEL measure the cylinder pressure the top of pistion if the compression pressure is too high E Ring wear Piston cylinder wear Check the combustion chamber and the carbon laydown on 24 Gear mobile oil Inspection Attention Fuel check let down the middle supporter to be perpendicular to motorcycle on the flat floor Dismantle the inspection bolt of gear oil after stopping engine The oil level is below the lower limit of bolt hole is good Please supplement gear oil when the oil level is too low Right cover Install the inspection bolt of gear oil Oil drain bolt Attention Confirm the airtightness of bolt and whether it is out of clutch and damage Changing gear oil Dismantle the inspection bolt of gear oil Dismantle the oil drain bolt the gear oil will effuse Install the oil drain bolt Attention Confirm the airtightness of bolt and whether it is out of clutch and damage Right cover Oil drain bolt Supplement gear oil Check the oil leak of each position after operation Driving chain Dismantle oil seal check whether the fringe of oil seal is broken Check whether the rear wheel bearing is broken and take out the bearing Take out the bu
73. rature ss temperature controller controller Unscrew the four nuts and unload the cylinder cover 93 gasket Unload the gasket constant Unscrew the bolts and unload the constant temperature set temperature set Pm M r i 3 Tl ai PLE Fi da al H y a s Jy from the cylinder cover bolt 11 6 2 Inspection Inspect whether the cylinder cover is broken Inspect the flatness of the bottom surface of the cylinder Allowable limit 0 05mm Remove the carbon deposit on the cylinder cover c Testing gauge cylinder cover with a bamboo scraper 11 7 Installation of the cylinder cover Installation 1s conducted in the reverse order of disassembly constant temperature set spark plug cylinder cover temperature controller t hh 94 Crankshaft connecting rod set right crankcase bolt p ssh h Ei EAA balancing shift chamber amp left crankcase a z Housing set center 0 A wearing plate iron friction plate flat gasket fixing gasket ert E d dish gasket Locknut p Ets a a bearing ball e inward release lever EN 2 release lever clamp nut pressure cover Bolt and gasket 95 12 Crankcase clutch actuating lever Preparation data 12 1 Fault diagnosis 12 2 Crankcase
74. rease of machine oil Engine burnt out Natural loss of machine oil Absence of oil or oil pressure too low Machine oil leak Oil path blocked Wear and improper installation of the piston ring Machine oil not used 9 3 Oil pump inlet and outlet AU oil tube 9 3 Disassembly Pull out the inlet and outlet oil tube unscrew the bolt right cover and disassemble the right cover bolt 79 Take down the elastic collar and flat gasket elastic collar flat gasket Take down the drive gear set of the oil pump Unscrew the bolts and take down the oil pump cover oil tube sleeve Disassemble the tight wire of the oil pump and unload Aj 1 oil pump the tight wire fixing set as well as the oil tube sleeve m Se Unscrew the bolts and take down the oil pump 22 tight wire fixing SER of the oil pump Y 9 3 2 Dismantling Dismantle the oil pump as shown in the diagram piston spring regulating plate pec torsion spring ptos camshaft Ee throttle handle set oil seal worm gear oil pump body 80 9 3 3 Inspection Inspect wear and tear of the worm wheel and worm gear m Severe wear and replace Inspect wear and tear of the camshaft Severe wear and replace Measure the outer diameter of the piston Allowable limit 2 45mm 9 3 4 Assembly Assembly of the oil pump is conducted in the reverse order of disassembly Note When in assembly i
75. reign objects If the carburetor is not in use for more than one month the gasoline inside the float chamber must be discharged Otherwise the gasoline inside the float chamber will deteriorate and block the idle speed nozzle resulting in insecurity of idle speed Function of the carburetor the carburetor is a critical component in the fuel delivery system of the engine the operating mode of which carries direct influence on the steady operation of the engine its driving force and economical indicator The carburetor atomizes a given amount of gasoline into mini drops which then evenly mix with varying volumes of air to shape vaporous combustible mixture according to different operating conditions of engines and supplied to the engine in time in order to ensure normal continuous running of it Preparation reference Unit mm Idle jet 22 58 Needle valve B05 Z 10 2 Fault diagnosis Bad startup Startup difficulty flameout after startup unsteady idle speed No flashover in spark plug Fuel system blockage Compression pressure too low Bad ignition 82 Carburetor short of fuel Too dense or sparse gas mixture Gasoline filter blocked Bad fuel Gasoline pipe blocked Secondary air inlet of suction system Needle valve conglutination Bad idle adjustment Bad adjustment of oil level Bad adjustment of oil volume Too much fuel in the engine Too sparse gas mixture Air filter blocked Oil nozzle
76. sh and dismantle the rear driving chain and the bolt of chain wheel Driving chain Check whether the rear driving chain and chain wheel raat wheel stan exceeds the extreme dimension 25 Clearance of front rear brake Front brake clearance Measure the clearance of the front brake drawbar at the top point of brake drawbar Clearance 20 30mm Rear brake clearance Measure the clearance of the rear brake drawbar at the top point of brake drawbar Clearance 20 30mm Abrasion of front brake shoe Check the oil level via oil immersion lens when the brake 1s down to bottom if the liquid level of brake fluid is against the arrow in the figure please replace the brake shoe Head lighting Adjustment The optical axis adjustment of head lighting is done by turning after unscrew the rotation adjustable bolt of head lighting Clutch Start engine and increase the winding number slowly to inspect the actuation of clutch and check the clutch block if the motorcycle does not move or the engine misses Replace the new part if necessary 26 Morin installatio n position of ar fastening TT bolt SN SS AN SO SS SS Pa aii lt adjustable bolt Front rear suspension system Compress up and down Front Strain the front brake and compress the front shock absorber up and down to check the actuation Check whether the front shock absorber is leak and each
77. ssossossessossoooessoscossessossocvessoscosseccosscceessosccssecsossocvessoscossecsoseccvessoscesseccossoceessoeccesseccesseccee 4 8 Bulbs switch instrument SS 8 1 Preparation data 75 8 2 Fault diagnosis M 75 8 3 Replace the head light 2792 3 4 Replace bulb ofthe front turning light SE eS e 76 8 5 Replace the bulb of the taillight license light rear turning light 76 8 6 Instrument ey 8 7 Main switch 7 HII ey 8 8 Horn ooo eee STIS 8 9 Handle switch MM MH Mee MH Sa T Table of torque value of engine fastener HH HH 79 9 Lubrication system Seda aG Eee ERE eee 81 9 1 Preparation data T TE ERE ee ee E rS ER VE ee Sus E 8l 9 2 Fault diagnosis iner a kesossssetaeeeecoest tecuesoesssestu esesssveveveesoeseceveteeceeeessceesssseeceeovsveeeeeeeseeeecerceceeeseceeveeeee sls 9 3 Oil DUI aun 8l 10 Carburetor eesessessossoooessossossecsosscovessoscossesoosssoscosseccosscovessoscessecsosecevessosccssecoossoceessooccsseccosscceessoocessececesseooee 84 10 1 Preparation data E ee ee EE ERE qap E Pn ARAM T 84 10 2 Fault diagnosis E PE E OE E asd 10 3 Disassembly Of carburetor e HR ENS 10 4 Carburetor VOLgJPMMBEEE
78. started in ventilated area other than closed area Attention The exhaust contains toxic gas carbon monoxide which can numb people and may result death The engine should be started In an open area and the exhaust scavenging system should be applied if the engine has to be started in a closed area Gasoline The operation should be made in a ventilated area and smoking or lighting fires should be strictly forbidden in working space or the place stored gasoline Maintenance regulation As maintaining this vehicle the instrument of metric system should be applied as possible for the reason that the application of incorrect instrument may demage this vehicle Before dismantling from the frame cover of vehicle to maintain the dirt of parts or external subassembly should be purged in order to prevent that falling into engine chasis or braking system 52 2 Er ES After dismantling and before measuring attrition value please CIE clean parts purge 1t with AC A _ adn RE gt m lt BUS al MEETS error error error The operation should not be bended or distorted otherwise it will cause operational difficulties or demage ahead of time The rubber parts will be deteriorated due to aging which is prone to be damaged by solvent or oil and it should be inspected if necessary it should be replaced before reinstallation Loosen the parts with multiple ass
79. steel brush e URS 2 e P d Ani Inspection of spark plug gap Clearance 0 5 0 7mm Attention As installing spark plug pleae install it with hands and tighten by spark plug socket Battery Dismantle battery Open cushion Dismantle left guard strip and the top cover of air filter Dismantle the negative lead of prior to the positive lead Take out battery Warning As dismantling positive pole the tools should not contact the carriage in order to avoid short circuit spark and igniting gasoline and the battery will be damaged that will be extremely dangerous The installtion is in the reverse order of dismantling Warning In order to prevent short circuit please connect positive pole prior to the negative one Inspection of charging state CCU Open cushion Unclose the top cover of air filter and disconnect the lead of battery Measure the voltage between the battery terminals Fully charged 13 1V Undercharge 12 3V Attention The inspection of charging state should be made by voltage meter Charging Connecting method Connect the positive pole of charger to that of battery The negative pole of charge connects to that of battery Warning Fire should be strictly prohibited around battery As starting to charge or upon the completion of charge the switch of charger should be turned off first in order to prevent the sparkle
80. suspension Preparation data 3 1 Fault diagnosis 3 2 Front wheel 3 3 Steering handle 3 4 Front fork 3 5 3 1 Preparation data Matters needing attention operation support the body bottom with a jack before disassembly so that the front wheel 1 suspended but couldn t rotate Keep the brake pad free of grease in operation Reference for the entire motorcycle standard Measuring position Item value Allowable limit mm E front wheel spindle um D 69 front wheel run out direction of rim transverse Within 1 0 Ceu Torque value Tools Fixing bolt of steering lever 5 9 Nm Bearing puller Front wheel spindle 55 62 Nm 3 2 Fault diagnosis 3 2 1 Actuation difficulty of steering lever The Steering column nuts are over screwed The roller and bearing bracket of the steering column are severely worn out The steering column is badly distorted by collision The tyre pressure is too low 40 3 2 2 Deviation of steering lever The left and right shock absorbers are not balanced The front fork is bent The front tire is bent and the tyre deviates 3 2 3 Front wheel yawing The tyre is distorted The front wheel bearing is loosened The tyre is not good 3 2 4 Front shock absorber too soft Elasticity fatigue of spring 3 2 5 Strange noise in front shock absorber Friction
81. tage diverter Connect the avometer with a high voltage diverter or an electric meter with input resistance above 10 10 6 3 1 Primary voltage of ignition coil Replace the spark plug with a good one and connect it with the engine Note Correctly connect each circuit before the test Normal compression pressure of the air cylinder is achieved in the test when the spark plug 15 installed on the cylinder head Remove the middle cover Connect the wire of ignition coil and connect the primary coil terminal black white with the diverter at the Ground Press the startup electrical machinery or step on the actuating lever to measure the primary peak voltage of the ignition coil Minimum voltage 95V or above Note The metal area of the avometer prod mustn t be touched by fingers to prevent electroshock 6 3 2 Charge coil Note Install the spark plug on the air cylinder head and inspect with normal compression pressure Remove the 4P and 2P joint of CDI group and connect a High Voltage diverter between the charge coil of the 2P joint red white terminal to the wire and the 4P joint black terminal Press the startup motor or step on the actuating lever to measure the peak voltage of the charge coil Connecting method positive pole connected with red white line and negative pole connected with black line 64 Minimum voltage 95 or above Note The metal area of the avometer prod mustn t be
82. ted to the water tank water bump 14 Cooling system Preparation data 14 1 Fault diagnosis 14 2 Water pump water tank 14 3 14 1 Preparation data Function of cooling system this engine adopts water cooling mode Water cooling means to cool down high temperature parts with water as the heat absorption medium which then transfers the heat to the ambient air in order to maintain the optimal working temperature of the engine Concrete cooling down circuit cooling water enters the water jacket of the cylinder through the crankcase watercourse passes through the cylinder cover and finally enters the radiator through piping for heat rejection and transfers heat to ambient by means of the fins of radiator 14 2 Fault diagnosis Water leak Seal ring damaged Pump body rupture Water pipe broken 14 3 Water pump water tank 14 3 1 Disassembly of the water pump Unscrew the bolts and dismantle the right cover set Take down the elastic collar and flat gasket Unload the water pump gear Pull out the straight pin on the water pump shaft H0 overheat in cylinder body Water pump impeller damaged No cooling liquid elastic collar flat gasket water pump gear Unscrew the bolts and unload the water pump cover together with the outlet pipe holder water pump 0722 covear bol outlet pipe holder Unload the gasket and guide pin Unload the water pump i
83. ter between the battery terminals Connect an amperemeter at the position where two terminals are disassembled to the main fuse Start the engine and measure the clamping voltage and current when the rotation speed gradually increases Clamping voltage rotation speed 14 15V 5 000rpm If the clamping voltage exceeds the specified value range inspect the voltage regulator Inspect the clamping voltage of the lighting system Note Set the avometer at the alternating voltage position Clamping voltage 13 1 0 5V 5 000rpm If the clamping voltage exceeds the specified value range inspect the voltage and current regulator 57 5 5 Voltage and current regulator 5 5 1 Inspect the main wire circuit Unload the body guard pad and oil tank Disassemble the 4P plug of the voltage and current regulator inspect the conduction between main wire terminals with the following methods between the battery red and body ground between the ground wire black and body eround between the illuminating line pink and body ground inspect the resistor plug and plug of the side auto starter when the lighting switch is pushed to OFF position between the charge coil white and body ground 5 5 2Inspectthe regulator Judging method voltage there being resistance in alternator coil there being resistance in alternator coil voltage and current If the main wire terminal proves fine after inspection inspe
84. touched by fingers to prevent electroshock If the peak voltage of the CDI terminal has an abnormal value disassemble the alternator connector Connect the charge coil red white with the diverter If the tested voltage of CDI 15 abnormal whereas the tested voltage at the alternator is normal poor contact or broken line can be determined If both are abnormal bad act of charge coil can be determined Please refer to inspection of the charge coil table 6 3 3 Trigger Note Install the spark plug on the air cylinder head and inspect with normal compression pressure Remove the 4P joint of CDI group and connect a peak voltage diverter between the trigger of 4P joint Cblue white terminal to the wire and the 4P joint black terminal Press the startup electrical machinery or step on the actuating lever to measure the peak voltage of the trigger Connecting method positive pole connected with blue white line and negative pole connected with black line Minimum voltage 1 7V or above Note The metal area of the avometer prod mustn t be touched by fingers to prevent electroshock If the tested peak voltage at CDI terminal is abnormal disassemble the alternator joint Connect the trigger blue white with the diverter If the tested voltage of CDI 15 abnormal whereas the tested voltage at the alternator is normal poor contact or broken line can be determined If both are abnormal bad act of
85. ulting in bending of bearing shafts Replace the bearing after inspection 4 3 3 Installation Install the rear wheel in the reverse order of disassembly and screw the spindle nut Locknut of rear wheel spindle Torque value 85 98 N m QJ50 23 rear wheel chain wheel fixing bolt of hydraulic brake fixing bolt on chain wheel rear brake disc bearing sleeve left rear sleeve rear wheel spindle rolling bearing rear wheel hub press plate of oil seal rear wheel 49 QJ50 23A rear wheel vacuum tyre rear rim fixing bolt on chain wheel chain wheel rear brake disc bearing sleeve press plate of rear wheel Quo i e fixing bolt of hydraulic brake p udi a SO press plate of rear wheel rolling bearing oil seal of front wheel y rear wheel spindle rolling bearing left sleeve chain 4 44 Rearshock absorber rear rocker 4 4 1 Disassemble the rear shock absorber Disassemble the body guard Disassemble the rear mudguard Disassemble the tool box Disassemble the air filter Remove the fixing bolts of rear wheel shock absorber Unload the rear shock absorber 4 4 2 Installation Install the rear shock absorber Specification of the rear shock absorber Length 418mm Angle 42 Compression stroke 60mm Outer diameter of spring 62mm Torque value Upper fixing bolt 37 44 Nm Lower fixing bolt 37 44 Install the air filter
86. urpose tool asss Lubrication filler i Replacement of gear case oil I Changed every 5000KM Tachometer CO HC C C I gnition timing A A A A A arburator Inspection of idle speed and exhaust gas A Accelerator inspection s analyser RN General purpose tool Fuel line inspection Lamplight instruments electric General purpose tool Visual universal meter General purpose tool General purpose tool 1 1 1 Torque spanner I I I I I I I I R L I I I I installations I C I I I I I I I I I I I FN E R 1j I H y I u A a A i i i E R R C I I I I I I I R L I I A I I I I I I E PEN _ Shock absorber Torque force of engine bolt I 19 Pre inspection Ignition system maintenance and inspection of ignition malfunction of distinct continuity engine failed to start and superheat of afterburning Carbon laydown purging purging the carbon laydown in the head of air cylinder piston head and exhaust air system when the horsepower is in distinct deficiency Piston air cylinder excessive wear of air cylinder and cylinder smoothness please replace Please be inspected at the dealer in Generic regularly in order to keep motorcycle under its optimized condition The said table is based on that the motorcycle runs 1000km per month I inspection A adjustment R repl
87. uted 1 3 Front hydraulic brake Note The braking components not be spoiled by oil stain in installation or disassembly Rinse with stipulated cleaning agent in order to avoid reduction of braking quality Disassemble the front wheel spindle Unload the front wheel 1 3 1 Disassembly Note Always replace the brake pad in pairs elf a brake pad is reused mark a signal on its side before disassembly so that it can be installed to the original position Disassemble the brake cylinder set from the left shock absorber and take out the brake pad from the brake cylinder set FI e gt m C un lt 4 3 1 3 2 Inspection Inspect whether the brake pad is worn out and replace it if necessary Measure the brake pad and brake disc and put down the maximal value Specification QJ50 23 diameter of front hydraulic brake 9230mm QJ50 23A diameter of front hydraulic brake 280mm Note t must be measured with a bore groove vernier caliper or microcaliper Allowable limit brake disc 3 0mm If the thickness of brake disc is less than the allowable limit it should be replaced h Measure the thickness of brake pad If the thickness of brake pad is less than the maintenance value or it is polluted by grease just replace it Allowable limit brake pad 3 0mm 1 3 3 Installation Install the front wheel Install the brake cylinder set

Trigger 50 SM og X - Generic Motor Danmark

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