BET & WIN 50
Contents
1. operating turn signals gt Burned out fuse Weak or dead battery Signals operate Signals dim remain Faulty ignition switch don t operate Loose or disconnected Remove fuel unit and c nnector check operation of pointer moving tidal gt Broken wire harness up and down Pointer does not Pointer moves Faulty float move Check operation of pointer by opening and shorting fuel unit gt terminal on wire harness side Pointer does not Pointer moves Broken or shorted fuel unit move wire Check connectors for proper connection E r Loose or disconnected Good Faulty connector Q Incorrectly connected connector Broken or shorted wire in fuel gauge 2 Pointer fluctuates or swings Ignition switch ON Inspection Adjustment Symptom Probable Cause Check battery circuit by operating turn signals gt and horn Burned out fuse Weak or dead battery Signals operate Signals dim remain Faulty ignition switch properly on or don t operate Loose or disconnected Remove fuel unit and connector check operation of pointer moving gt Broken wire harness up and down2. ELECTRICAL EQUIPMENT B amp W50 12V4AH 13 0 13 2V Battery Charging Standard 0 4A 5H 4 0 5 Spark plug gap 8 Primary coil 0 153 0 187Q Secondary coil Ignition coil resistance with 6 99 1021 0 Secondary coil without plug cap 3 24 3 96KQ Pulser coil resistance 20 C 0 1600 Ignition timing 13 5 2 BTDC 2000rpm 1 12 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 TORQUE VALUES ENGINE Thread dia mm Torque N m Cylinder head bolt BF7x115 14 7 16 7 Clutch drive plate nut 10 34 3 39 2 Clutch outer nut NH10 34 3 44 Drive face nut NH12 49 0 58 8 Oil check bolt 10 9 8 14 7 Engine mounting bolt 10 95 44 1 53 9 Engine hanger bracket bolt 10 50 34 3 44 Exhaust muffler joint lock nut NC mm 9 8 13 7 Exhaust muffler lock bolt BF8x35 29 4 35 3 Spark plug 10 8 16 7 Thread dia mm Torque N m Handlebar lock nut 44 49 0 Flange bolt U nut Steering stem lock nut 78 4 117 6 Steering top cone race 4 9 12 7 Front axle nut 49 0 68 6 Flange U nut Rear axle nut 107 8 127 4 Flange U nut Front shock absorber upper mount bolt 32 3 Flange bolt U nut lower mount bolt 32 3 Cross head hex bolt 14 7 29 4 Apply locking agent Front damper nut 14 7 29 4 Front pivot arm bolt Flange screw U nut Rear shock absorber upper mount bolt 34 3 44 1 Flange nut lower mount bolt 23 5 29 4 lowe
3. ENGINE Standard mm B amp WS0 Piston O D 5mm from bottom of piston skirt 38 955 38 970 Cylinder to piston clearance 12 002 12 008 Piston pin O D 11 994 12 0 0 002 0 014 Piston ring end gap top second 0 10 0 25 17 005 17 017 39 0 39 025 Drive belt width Drive pulley collar O D 20 01 20 025 20 035 20 085 20 21 Movable drive face ID 107 107 2 Weight roller O D Clutch outer 33 965 33 985 33 94 34 0 34 025 34 06 1015 10 Item Cylinder head warpage oo x 59 oo Piston to piston pin clearance oo Driven face O D Connecting rod big end radial clearance rankshaft runout A B Biz lt 2 5 E 09 e 3 z lok 2 8 S ga 6 gt 5 lH Jg o 5 2 Venturi dia SH10CA SP SHIOCA IT SH10CA GR 14mm Identification number PB109 PB103 PB118 Float level 8 6mm Main jet Unlimited limited speed 75 75 88 Slow jet 35 114 2000 100rpm 2 6mm 1 notch Air screw opening Idle speed 5315 55 5 amp o e slo 6 6 lt 1 11 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 FRAME Standard mm Service Limit mm Be Foo o ooo j Brake disk runout 0 30
4. Pointer moves Pointer does not move Poor contact in fuel unit Move float up and down rapidly 1 round sec to check the operation of pointer Pointer moves in Pointer does not Insuffici d ili accordance with move in accord RA icient damping 1n float ance with float uel gauge Check connectors for proper connection gt Good Faulty 0 Loose or disconnected connector Broken or shorted wire in 1 31 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 uel gauge STARTER MOTOR 1 Starter motor won t turn Inspection Adjustment Symptom Probable Cause Check operation of stop switch by gt r Burned out fuse applying brake 5 Weak or dead battery Q Faulty stop switch Stoplight comes on EE Hees no Loose or disconnected Check battery circuit connector by operating turn gt Broken or shorted ignition switch wire signals Signals operate Signals dim remain D Faulty or weak battery Check operation of properly on or don t operate starter relay by depressing starter x button Relay operates Relay does not Poor starter button connection properly operate Q Faulty s
5. 17 12 12 13 13 13 13 16 15 16 ON 1 N N N N N TEXT RADIATOR REAR BRAKE DRUM REAR SHOCK ABSORBER REAR WHEEL REED VALVE SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE INFORMATION SERVICE PRECAUTIONS SPARK PLUG SPECIAL TOOLS SPECIFICATIONS STARTER PINION STARTING SYSTEM STEERING HANDLEBAR STEERING HANDLEBAR STOP SWITCH INSPECTION SUSPENSION SWITCHES 11 3 14 3 14 5 14 3 12 11 11 1 14 1 10 1 pug 13 1 15 1 16 1 6 1 8 1 9 1 3 1 4 1 5 1 1 3 3 7 1 14 1 2 7 10 15 11 13 3 3 13 16 6 3 13 16 4 THERMOSENSOR THERMOSTAT THROTTLE OPERATION THROTTLE VALVE DISASSEMBLY THROTTLE VALVE INSTALLATION TORQUE VALUES TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING WATER PUMP WHEELS TIRES WIRING DIAGRAM 11 11 3 12 12 11 14 10 12 13 15 16 KYMCO BET amp WIN 50 11 12 5 2 3 PREFACE This Service Manual describes the technical features
6. Index mark on brake Q Fork slider and tube binding Probable Cause Adjust brake according to standards O Worn brake linings Worn brake cam contacting area on panel aligns with wear indicator arrow brake shoes Worn brake cam Worn brake drum Worn brake linings Brake squeaks 1 29 Brake performance is Expanding poor Brake Hydraulic Foreign matter on brake linings _ Rough brake drum contacting area Sluggish or elongated brake cables Brake shoes improperly contact brake drum 9 Water and mud in brake system 4 Oil or grease on brake linings O Faulty brake master cylinder Q Faulty brake caliper Brake Oil or grease on brake disk Deformed brake disk Leaking brake fluid tube KYMCO 1 GENERAL INFORMATION BET amp WIN 50 OIL METER 1 Motor oil indicator light does not come on when there is no motor oil Ignition switch ON Inspection Adjustment Symptom Probable Cause Check battery circuit by gt operating turn signals Burned out fuse 2 Q Weak or dead battery Signals operate Signals dim remain Faul
7. Clogged fuel filter Faulty auto fuel valve mO Fouled spark plug Incorrect heat range plug Fouled spark plug Faulty CDI unit Faulty A C generator Faulty ignition coil O Broken or shorted high tension wire 9 Faulty ignition switch rO Worn cylinder and piston Check carburetor air screw adjustment rings Normal Abnormal Q Blown cylinder head gasket compression compression Flaws in cylinder head Faulty reed valve Seized piston gt Not Clogged Clogged 0O Clogged carburetor jets Correct timing Incorrect timing 1 23 Correctly adjusted Incorrectly adjusted Faulty CDI unit A C generator Q A C G flywheel not aligned O Mixture too rich turn screw out Mixture too lean turn screw in KYMCO 1 GENERAL INFORMATION BET amp WIN 50 Inspection Adjustment Symptom Probable Cause Check carburetor gasket for air leaks r Carburetor not securely tightened No air leak Air leaks 9 Faulty intake manifold gasket Deformed or broken carburetor O ring Remove auto bystarter connecting wire and check if bypass fuel line is clogged Broken cable Not clogged Clogged Dirty auto bystarter Faulty auto
8. INSTRUMENT SWITCHES LIGHTS EVAPORATIVE EXHAUST EMISSION 17 CONTROL SYSTEM SISSVHO LNAWdINOA VOIdLO TH N A KYMCO 1 GENERAL INFORMATION BET amp WIN 50 GENERAL INFORMATION ENGINE SERIAL NUMBER 5 1 1 SPECIFICATIONS u eimi 1 2 SERVICE PREC AL TIONS Da 1 3 TOROUE VALORS 1 13 SPECIAL TOOLS sc casti etter tent 1 14 EUBRIC ATION POINTS Syn 1 15 WIRING DIAGRAM 1 21 TROUBLESHOOTING e t tp a 1520 KYMCO 1 GENERAL INFORMATION amp WIN 50 ENGINE SERIAL NUMBER Location of Engine Serial Number Location of Frame Serial Number 1 1 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 SPECIFICATIONS Name amp Model No B amp W50 Air cleaner type amp No Overall length 1940mm Gear oil capacity 0 12 liters Overall width 740mm Fuel capacity 10 liters urojs g ond l0joJnque i weight kg pomnog 84 uonius Automatic centrifugal SIUISUPI J Q UlI9 s S oAmopraereq PB Wheel base 1352mm 14 equivalent CDI Front wheel 525 13 5 2 2000rpm i BR8HSA 120 70 12 56 130 70 12 59J 4 4m 30km H ance 2300mm Starting system PME type Gasoline
9. and operation E When two persons work together attention to the mutual working safety Disconnect the battery negative terminal before operation lt 2 z B When using a spanner or other tools p make sure not to damage the motorcycle surface 29 After operation check all connecting points fasteners and lines for proper connection and installation B When connecting the battery the positive terminal must be connected first B After connection apply grease to the battery terminals B Terminal caps shall be installed securely 1 4 1 GENERAL INFORMATION E If the fuse is burned out find the cause and repair it Replace it with a new one according to the specified capacity After operation terminal caps shall be installed securely B When taking out the connector the lock on the connector shall be released before operation E Hold the connector body when connecting or disconnecting it E Do not pull the connector wire B Check if any connector terminal is bending protruding or loose 1 5 KYMCO BET amp WIN 50 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 B The connector shall be inserted completely ETT x E If the double connector has a lock Snapping lock it at the correct position B Check if there is any loose wire Before connecting a terminal check for damaged terminal cover or loose ne
10. bystarter Connect auto bystarter wire to battery Wait for 5 minutes then connect a hose to fuel enriching circuit and then blow the hose with mouth Clogged Not Clogged Faulty auto bystarter 1 24 KYMCO increases Check ignition timing using a timing light not increase sufficiently 1 GENERAL INFORMATION BET amp WIN 50 ENGINE LACKS POWER Inspection Adjustment Symptom Probable Cause Start engine and accelerate lightly for gt observation m Clogged air cleaner Engine speed Engine speed does 2 Closged fuel filter I 1 9 Y exhaust muffler Faulty auto bystarter Faulty charcoal canister Correct timing Incorrect timing O Faulty CDI unit Faulty A C generator Test cylinder compression using a compression gauge EE mO Worn cylinder and piston rings QO Blown cylinder head gasket Check carburetor for clogging Faulty reed valve Clogged carburetor jets Remove spark plug and inspect Normal Abnormal compression compression gt Not Clogged Clogged gt Plug not fou
11. spark by connecting it to engine ground Good spark Weak or inter mittent spark Remove auto bystarter connecting wire and check if bypass fuel line is clogged Q Faulty intake manifold gasket Deformed carburetor O ring mO Faulty or fouled spark plug Faulty CDI unit Faulty A C generator Faulty ignition coil Connect auto bystarter wire to battery Wait for 5 minutes then connect a hose to fuel enriching circuit and then blow the hose with mouth Not clogged Clogged Clogged Not clogged Broken or shorted high tension wire 6 Faulty ignition switch mO Broken auto bystarter wire Faulty auto bystarter 1 26 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 POOR PERFORMANCE AT HIGH SPEED Inspection Adjustment Symptom Probable Cause Check ignition timing gt Faulty CDI unit Correct timing Incorrect timing Loose A C G stator Q Faulty A C generator Check auto fuel valve for fuel supply i Empty fuel tank Fuel flows freely Fuel flow restricted Q Clogged fuel tube or filter Clogged charcoal canister Check carburetor jets for clogging
12. N 50 WIRING DIAGRAM pi pH PIE S 1 21 KYMCO Engine does not Engine fires but does not start Remove spark plug and inspect again fire gt Dry spark plug Wet spark plug 1 GENERAL INFORMATION BET amp WIN 50 TROUBLESHOOTING ENGINE WILL NOT START OR IS HARD TO START Inspection Adjustment Symptom Probable Cause Check if fuel reaches carburetor by loosening gt drain screw Empty fuel tank Fuel reaches Fuel does not M Clogged float valve carburetor reach carburetor Clogged charcoal canister O Clogged fuel filter Faulty auto fuel valve Remove spark plug and install it into spark plug cap to test spark by gt connecting it to engine Faulty spark plug ground Q Fouled spark plug Faulty CDI unit Spark jumps Weak or no spark _ Faulty A C generator Broken or shorted ignition coil Broken or shorted exciter coil Test cylinder OFaulty ignition switch compression O Burned or worn cylinder piston Normal Low or no Q Faulty reed valve compression compression Q Blown cylinder head gasket Leaking crankcase Start engine by follow Faulty crankcase oil seal ing normal start
13. Not cl Clogged Clean and unclog ga oa Remove auto bystarter connecting wire and check if bypass fuel line is clogged Not cl Clogged Broken auto bystarter wire 0 Faulty auto bystarter 09 gq Connect auto bystarter wire to battery Wait for 5 minutes then connect a hose to fuel enriching circuit and then blow the hose with mouth Clogged Not clogged Faulty auto bystarter 1 27 1 GENERAL INFORMATION KYMCO BET amp WIN 50 CLUTCH DRIVE AND DRIVEN PULLEYS Symptom Engine starts but motor cycle does not move Probable Cause O Worn or slipping drive belt Q Broken ramp plate 9 Broken driven face spring Motorcycle creeps or engine starts but soon stops or seems to rush out Rear wheel rotates when engine idles Separated clutch lining 0O Damaged driven pulley shaft splines Damaged final gear Seized final gear r Broken shoe spring Engine lacks power at start of a grade poor slope performance Clutch outer and clutch weight stuck GSeized pivot O Worn or slipping drive belt Worn weight rollers Engine lacks power at high speed Seized drive pulley bearings Weak d
14. TEXT A C GENERATOR INSTALLATION A C GENERATOR REMOVAL AIR CLEANER AIR SCREW ADJUSTMENT AUTO BYSTARTER BATTERY BRAKE CALIPER BRAKE SYSTEM BULB REPLACEMENT CARBURETOR INSTALLATION CARBURETOR REMOVAL CHARGING SYSTEM CLUTCH DRIVEN PULLEY COOLING SYSTEM CRANKCASE ASSEMBLY CRANKCASE SEPARATION CRANKSHAFT INSPECTION CRANKSHAFT INSTALLATION CRANKSHAFT REMOVAL CYLINDER COMPRESSION CYLINDER HEAD CYLINDER PISTON DRIVE BELT DRIVE BELT DRIVE PULLEY ENGINE INSTALLATION ENGINE REMOVAL ENGINE SERIAL NUMBER 12 12 15 13 16 12 12 15 10 10 10 10 10 Dn tA N WwW 1 ON N 4 11 11 217 10 3 11 10 1 N ON 1 N 1 ON N 1 EXHAUST EMISSION CONTROL SYSTEM17 1 EXHAUST EMISSION RELATED SYSTEM INSPECTION 17 3 KYMCO BET amp WIN 50 EXHAUST MUFFLER REMOVAL EXHAUST MUFFLER FINAL REDUCTION ASSEMBLY FINAL REDUCTION DISASSEMBLY FINAL REDUCTION GEAR OIL FINAL REDUCTION INSPECTION FLOAT CHAMBER FLOAT LEVEL INSPECTION FRAME COVERS REMOVAL FRONT BRAKE FRONT FORK FRONT SHOCK ABSORBER FRONT WHEEL FUEL LINE FUEL FILTER FUEL UNIT HEADLIGHT AIM IGNITION SYSTEM IGNITION TIMING INSPECTION AND MAINTENANCE SCHEDULE INSTRUMENT HEADLIGHT KICK STARTER LUBRICATION POINTS LUBRICATION SYSTEM NUTS BOLTS FASTENERS OIL METER OIL PUMP BLEEDING OIL PUMP INSPECTION OIL PUMP INSTALLATION OIL PUMP REMOVAL OIL TANK N
15. a Single cylinder 5 Reduction ist 8 ao Fron Casera _ Compression pressure 118 Tire pressure Fron INA SUIAOIA kg cm 2 rpm 3 09 6500 kg cm Rear Turning Left Righ t t Max torque kg m rpm 0 5 6000 w Port 1mm Disk brake Close Brake system F type Rear um Suspension Eron Valve pee s Idle speed rpm 2000 100rpm Lubrication type Separate type Under pipe Oil pump type Plunger type filter type Full flow filtration Oil capacity 1 1 liters Exchanging capacity 0 9 liters Cooling Type Water cooling qm B uone 1 2 1 GENERAL INFORMATION SERVICE PRECAUTIONS Make sure to install new gaskets O rings circlips cotter pins etc when reassembling B When tightening bolts or nuts begin with larger diameter to smaller ones at several times and tighten to the specified torque diagonally Use genuine parts and lubricants B When servicing the motorcycle be sure to use special tools for removal and installation B After disassembly clean removed parts Lubricate sliding surfaces with engine oil before reassembly 1 3 KYMCO BET amp WIN 50 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 E Apply or add designated greases and lubricants to the specified lubrication points After reassembly check all parts for proper tightening
16. and servicing procedures for the KYMCO B amp W 50 Section 1 contains the precautions for all operations stated in this manual Read them carefully before any operation is started Section 2 is the removal installation procedures for the frame covers which are subject to higher removal installation frequency during maintenance and servicing operations Section 3 describes the inspection adjustment procedures safety rules and service information for each part starting from periodic maintenance Sections 5 through 12 give instructions for disassembly assembly and adjustment of engine parts Section 13 is the removal installation of chassis Section 15 states the testing and measuring methods of electrical equipment Most sections start with an assembly or system illustration and troubleshooting for the section The subsequent pages give detailed procedures for the section The information and contents included in this manual may be different from the motorcycle in case specifications are changed KWANG YANG MOTOR CO LTD OVERSEAS SALES DEPARTMENT OVERSEAS SERVICE SECTION KYMCO BET amp WIN 50 TABLE OF CONTENTS LUBRICATION SYSTEM 4 CYLINDER HEADICYLINDER PISTON CLUTCH DRIVEN PULLEY rsepocnon AC GENERATOR STEERING HANDLEBAR FRONT B 13 HNIDNH WHEEL FRONT BRAKE FRONT SHOCK ABSORBER FRONT FORK REAR BRAKE REAR BRAKE 14 DRUN REAR SHOCK ABSORBER ELECTRICAL EQUIPMENT
17. gative terminal E Check the double connector cover for proper coverage and installation B Insert the terminal completely B Check the terminal cover for proper coverage E Do not make the terminal cover opening face up Secure wire harnesses to the frame with their respective wire bands at the designated locations Tighten the bands so that only the insulated surfaces contact the wire harnesses 1 6 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 After clamping check each wire to make sure it is secure X Tao Pm _ ee E Do not squeeze wires against the weld or O gt its clamp _ O After clamping check each harness to make sure that it is not interfering with a Z any moving or sliding parts N x 40 B When fixing the wire harnesses do not make it contact the parts which will generate high heat Route wire harnesses to avoid sharp edges or corners Avoid the projected ends of bolts and screws Route wire harnesses passing through the side of bolts and screws Avoid the projected ends of bolts and screws 1 7 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 Route harnesses so they are neither pulled tight nor have excessive slack too tight E Protect wires and harnesses with electrical tape or tube if they contact a sharp edge or corner B When rubber protecting cover is used to protect the wire harnesses i
18. ing gt procedure r Incorrectly adjusted idle ped Air leaking through intake pipe Incorrect ignition timing Flooded carburetor Wait for 30 minutes and then remove the carbu retor auto choke circuit hose and blow the hose with mouth Not clogged Clogged Q Throttle valve excessively open Faulty auto bystarter 1 22 Remove spark plug and install it into spark plug cap to test spark by connecting it to engine ground KYMCO Remove spark plug and install it into spark plug to test spark connecting it to engine ground u Test cylinder compression using a compression gauge Plug not fouled or Plug fouled or discolored discolored Weak or inter Good spark Check carburetor for clogging mittent spark Check ignition timing 1 GENERAL INFORMATION BET amp WIN 50 ENGINE STOPS IMMEDIATELY AFTER IT STARTS Inspection Adjustment Symptom Probable Cause Check if fuel reaches carburetor by loosening gt drain screw O Empty fuel tank Fuel reaches Fuel does not Clogged float valve carburetor reach carburetor Clogged charcoal canister
19. led or Plug fouled or discolored discolored O Fouled spark plug Q Incorrect heat range plug Check if engine overheats Mixture too lean Engine does not overheats Rapidly accelerate or run at high speed 1 25 Engine overheats Poor quality fuel I 1 O Excessive carbon build up in combustion chamber Ignition timing too early r Excessive carbon build up in Engine does not knock Engine knocks combustion chamber I 1 Q Poor quality fuel r 9 Clutch slipping Mixture too lean 1 GENERAL INFORMATION KYMCO BET amp WIN 50 POOR PERFORMANCE ESPECIALLY AT IDLE AND LOW SPEEDS Inspection Adjustment Check ignition timing Symptom Correct timing Incorrect timing Probable Cause r O Faulty CDI unit Check carburetor air screw adjustment Correctly adjusted Incorrectly adjusted Faulty A C generator Q Mixture too rich turn screw Check carburetor gasket for air leaks No air leak Air leaks out Mixture too lean turn screw in O Carburetor not securely tightened Remove spark plug and install it into spark plug cap to test
20. nion movable parts Grease FRAME Apply clean engine oil or grease to cables and movable parts not specified This will avoid abnormal noise and rise the durability of the motorcycle Lb Engine Oil MEM Grease Throttle Cable Seat Lock D Engine Oil Speedometer Cable Grease Speedometer Gear Brake Cam Front Shock Absorber Lower Mount Bushings Pivot Grease Rear Wheel Bearing D Engine Oil Rear Brake Control Cable Grease Main Stand Pivot 1 15 1 GENERAL INFORMATION Brake Master Cylinders Front Stop Switch icm e iion n di Cable Water Hose Horn KYMCO BET amp WIN 50 Rear Stop Switch Speedometer Cable Reserve Cap Radiator 1 16 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 Ignition Switch mU Water Hose j Resistors E w Fuse Tank Front Brake Fluid Tube 1 17 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 Regulator Rectifier Reserve Cap Water Hose Speedometer Rear Brake Cable Control Cable 1 18 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 Oil Meter Fuel Pump Fuel Pump Vacuum Tube Fuel Filter Fuel Tank Breather Tube 2 Thermostat Ignition Coil 1 19 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 Throttle Cable Water Hose Spark Plug Cap 1 20 KYMCO 1 GENERAL INFORMATION BET amp WI
21. r Joint nut 14 7 24 5 Torque specifications listed above are for important fasteners Others should be tightened to standard torque values below STANDARD TORQUE VALUES SH bolt 8mm Flange 6mm bolt 5mm bolt nut 4 4 5 9 5mm screw 3 43 4 9 6mm bolt nut 7 8 11 8 6mm screw SH bolt 6 86 10 8 8mm bolt nut 17 6 24 5 6mm flange bolt nut 9 8 13 7 10mm bolt nut 29 4 39 2 8mm flange bolt nut 23 5 29 4 12mm bolt nut 49 0 58 8 10mm flange bolt nut 14 7 44 1 1 13 1 GENERAL INFORMATION SPECIAL TOOLS KYMCO BET amp WIN 50 Bearing remover set 12mm E020 Drive shaft bearing removal installation Spindle assy 15mm Remover weight Bearing remover set 15mm Spindle assy 15mm Remover head 15mm Remover shaft 15mm Drive shaft bearing removal installation E014 Bearing installation E027 Driven pulley disassembly assembly Final shaft bearing installation Drive shaft bearing installation Final shaft bearing installation Crankshaft bearing installation Driven pulley bearing installation Flywheel puller Pilot 12mm Bearing outer driver 32x35mm Outer driver 24x26mm 1 14 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 LUBRICATION POINTS ENGINE Crankcase sliding amp movable JASO FC or API TC TENES ERREUR 3 Transmission gear final gea SAE 90 Jo Kick starter spindle bushing Grease 5 Drive pulley movable parts Grease 6 Starter pi
22. riven face spring Worn or seized driven pulley bearings O Worn or slipping drive belt There is abnormal noise or smell while running Worn weight rollers Worn or seized driven pulley bearings Oil or grease fouled drive belt Worn drive belt G Weak driven face spring Worn or seized driven pulley bearings STEERING HANDLEBAR DOES NOT TRACK STRAIGHT Symptom Steering is heavy Probable Cause Front and rear tire pressures are normal Q Steering stem nut too tight Front or rear wheel is wobbling Broken steering steel balls 0 Excessive wheel bearing play Steering handlebar pulls to one side Bent rim Loose axle nut Misaligned front and rear wheels Bent front fork 1 28 1 GENERAL INFORMATION POOR SUSPENSION PERFORMANCE Symptom Suspension is too soft KYMCO BET amp WIN 50 Probable Cause Front and rear tire pressures are normal Weak shock spring Excessive load Shock damper oil leaking r Bent fork tube or shock rod Suspension is too hard A Suspension is noisy Q Fork slider and tube binding O Fork tube and spring binding POOR BRAKE PERFORMANCE O Symptom
23. t shall be installed securely E Do not break the sheath of wire E If a wire or harness is with a broken sheath repair by wrapping it with protective tape or replace it B When installing other parts do not press or squeeze the wires 1 8 1 GENERAL INFORMATION m After routing check that the wire harnesses are not twisted or kinked E Wire harnesses routed along with handlebar should not be pulled tight have excessive slack or interfere with adjacent or surrounding parts in all steering positions B When a testing device is used make sure to understand the operating methods thoroughly and operate according to the operating instructions E Be careful not to drop any parts B When rust is found on a terminal remove the rust with sand paper or equivalent before connecting 1 9 KYMCO o you understand the instrument Is the instrumentset an N BET amp WIN 50 1 GENERAL INFORMATION B Symbols The following symbols represent the servicing methods and cautions included in this service manual Apply engine oil to the specified points Use Engine Oil designated engine oil for lubrication Grease Apply grease for lubrication m Transmission Gear Oil Gear Oil 90 Use special tool Special Caution Warning KYMCO BET amp WIN 50 1 10 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 SERVICE INFORMATION
24. tarter relay Loose or disconnected Connect starter motor directly to gt battery connector Starter motor turns Starter does not tum Faulty starter motor Faulty wire harness 2 Starter motor turns slowly or idles Inspection Adjustment Symptom Probable Cause Check battery circuit by operating turn d signals Signals operate Signals dim remain properly on or don t operate D Weak or dead battery Connect starter motor directly to gt battery Starter motor Starter motor isconnected turns slowly turns normally Q Faulty starter relay Rotate crankshaft gt Turns easily to turn O Seized cylinder Broken or shorted starter motor cable Faulty starter pinion 3 Starter motor does not stop turning Inspection Adjustment Symptom Probable Cause Turn ignition switch OFF T Not stopped Stopped Faulty starter pinion Starter relay shorted or stuck 1 32 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 0 sed Close 1 33
25. ty ignition switch properly on or don t operate Loose or disconnected Connect indicator light bulb to battery for bulb P b inspection Bulb lights Bulb does not light _ Burned out bulb Check connectors for 2 proper operation Loose wire connector Good Faulty 1 Broken wire harness Remove oil meter and Incorrectly connected wire check operation of indicator light by d moving float Faulty float Good Pauly L Q Broken or shorted wire Float up Light off meter Float down Light on ZN 2 Motor oil is sufficient but the indicator light remains on Ignition switch ON Inspection Adjustment Symptom Probable Cause Check connectors for proper connection gt Loose or disconnected Good Fault connector ie Broken wire harness Remove oil meter and Incorrectly connected wire check operation of indicator light by gt moving float EE Fault Faulty float xs ee es Good Broken or shorted wire meter Damaged oil tank Foreign matters in oil tank 1 30 KYMCO 1 GENERAL INFORMATION BET amp WIN 50 FUEL GAUGE 1 Pointer does not register correctly Ignition switch Inspection Adjustment Symptom Probable Cause Check battery circuit by
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