PN 4204
Contents
1. MSD Enhancer Ignition for the Yamaha Banshee PN KT4204 Parts Included Tools Required 1 Programmable Enhancer Ignition PN 4204 3 Phillips Screwdriver 1 MSD Coil Assembly PN 4294 3 8 Ratchet 1 Ignition Mounting Brackets PN 4393 10mm Socket 1 MSD 7 2 Volt NiCad Battery PN 4381 10mm Open End Wrench 1 Battery Mounting Bracket Parts Required Not Included Note Itis recommended that you have 1 MSD 7 2 Volt NiCad Fast Charger 1 Hour PN 4385 the factory service manual while or Radio Shack Wall Charger 6 Hours PN 23 241 performing this installation 1 Clutch Lever Micro Switch for Holeshot Feature TECHNICAL INFORMATION Spark Output The MSD Enhancer Ignition System for the Yamaha Banshee produces a high output spark that is approximately double the stock spark output This increased spark energy allows the use of richer fuel mixtures or even exotic fuel such as alcohol The MSD Enhancer Ignition will put out approximately 30 000 volts to the spark plug Spark Plugs With the MSD Enhancer it is recommended to use as cold a spark plug as possible while still being able to start the engine easily The spark plug gap will largely depend on the compression of the engine The higher the compression the smaller the plug gap you must run A good rule of thumb for the spark plug gap is between 032 and 036 Taking the time to test with different gaps will give you the best gap for your application MSD Coil and Sp2. Figure 1 Mounting the Enhancer 1 Position the Enhancer ignition between the two A arms but do not tighten it yet Make sure the wire harness is routed towards the rear of the bike 2 Route the wires with the 4 pin connector down the right side of the frame to the factory 4 pin connector from the engine magneto 3 Plug these two connectors together and secure them to the frame 4 Using the hardware from the stock coil mount the MSD Coil assembly to the factory coil bracket Refer to the coil instructions for cutting and crimping the spark plug wires 5 Route the Enhancer s Orange and Brown wire assembly to the coil and connect them to the MSD coil 6 Find the solid Black wire on the MSD Enhancer Ignition that has a ring lug attached This will be the ignition ground and needs to be directly attached to the engine Clean off any paint and attach securely to the engine 7 The White wire controls the kill function of the ignition system It can be connected one of two ways A If you do not want the Throttle OverRide System TORS to be functional then disconnect the Black White wire from the ignition kill switch on the handle bar and attach the White wire to the Black White wire that goes to the ignition kill switch B If you want to retain the TORS unit splice the White wire from the Enhancer into the Black White wire Figure 2 Note The Stock Key switch will no longer function for z z z a ignition kill Figure 2 Connecting
3. ark Plug Wires The MSD Coil features low resistance 0 2 Ohms Primary 2K Ohms Secondary with a turns ratio of 70 1 for maximum spark voltage and energy The MSD 8 5mm Super Conductor Spark Plug Wires are very low resistance less than 50 Ohm s per foot for maximum voltage carrying capabilites Even with this low resistance the wire still suppresses EMI Electro Magnetic Interference from disrupting the electronics of the ignition This is the only wire recommended to be used with the MSD Enhancer Ignition System Adjustable Ignition Timing Curve The MSD Enhancer Ignition system allows you to program an ignition timing curve Changes in altitude compression fuel octane or a number of other variables requires that the ignition timing be compensated The MSD Enhancer allows you to advance or retard the initial timing as well as designate a different timing curve to increase overall power and performance Holeshot Feature The MSD Enhancer Ignition has a special built in circuit that sets a low rpm limit This rpm limit produces consistent and quick starts This allows you to concentrate on the start of the race instead of throttle position Rev Limiter The MSD Enhancer does not have an adjustable rev limiter The Ignition will not turn over 13 500 rpm 7 2 Volt NiCad Battery The MSD Enhancer Ignition System depends on a 7 2 volt battery source to supply power to the complex adjustable timing feature The NiCad battery that is supplied with the E
4. ng the unit for repair leave all wires at the length in which you have them installed Cutting wires close to the unit will void your warranty Be sure to include a detailed account of any problems experienced and what components and accessories are installed on the vehicle The repaired unit will be returned as soon as possible after receipt COD for any charges For more information call the MSD Customer Service Line 1 800 392 2842 MSD technicians are available from 8 00 a m to 5 00 p m Monday Friday mountain time Limited Warranty Autotronic Controls Corporation warrants MSD Ignition products to be free from defects in material and workmanship under normal use and if properly installed for a period of one year from date of purchase If found to be defective as mentioned above it will be replaced or repaired if returned prepaid along with proof of date of purchase This shall constitute the sole remedy of the purchaser and the sole liability of Autotronic Controls Corporation To the extent permitted by law the foregoing is exclusive and in lieu of all other warranties or representations whether expressed or implied including any implied warranty of merchantability or fitness In no event shall Autotronic Controls Corporation be liable for special or consequential damages MSD IGNITION 12120 ESTHER LAMA SUITE 114 EL PASO TEXAS 79936 915 857 5200 FAX 915 858 9241 FRM20846 Revised 07 99 Printed In U S A
5. nhancer ignition is rated at 600 mah This will provide approximately two hours of continuous ride time This can be extended by purchasing a 7 2 volt NiCad battery from a local hobby shop These batteries are available from 1400 to 1800 mah The MSD NiCad battery can be charged with either the MSD Fast Charger PN 4385 or Radio Shack sells a unit PN 23 241 The MSD Fast Charger is a 12 volt charger that will fully recharge the battery in about one an hour from your car s cigarette lighter The Radio Shack charger is a 120 volt unit that will plug into the wall socket and completely charge the battery in MSD IGNITION 12120 ESTHER LAMA SUITE 114 EL PASO TEXAS 79936 915 857 5200 FAX 915 858 9241 2 INSTALLATION INSTRUCTIONS approximately 6 8 hours Although it will not hurt the ignition to leave the battery plugged in it will produce a slight current draw on the battery causing it to discharge over an extended period of time REMOVAL In order to install the MSD Enhancer ignition system the factory CDI box and coil must be disconnected or removed Refer to the factory service manual for the proper removal Note Do not mix the Factory Yamaha Coil and CDI unit with any MSD Components as severe damage may occur INSTALLATION The MSD Enhancer Ignition is designed to mount between the front a arms on the frame Figure 1 Four mounting straps are supplied with the kit to hold the ignition to the frame OUTSIDE TOP MOUNT IGNITION
6. plate to advance or retard the ignition timing The MSD Enhancer Ignition only requires you to select the maximum desired timing The MSD Enhancer comes factory set at 23 of timing This can be verified by looking at the first set of switches and making sure they are in the Off On and Off positions The chart below shows the timing graph of the Enhancer as it is shipped from the factory and then the different Max Timing settings that can be achieved by changing just the Max Timing switches Figure 4 MAXIMUM TIMING MAX SPEED RETARD 82 4 OFF 8 OFF OFF OFF ON ON ON ON OFF OFF OFF ON ON ENHANCER _ fem IGNITION H 4000 4204 5000 6000 9 9 A MAX SPEED g i i i ee ea a REV LIMIT RPM 13500 Factory Set Curve Selectable Curve Figure 4 Max Timing Adjustments Max Speed Retard The Max Speed Retard settings will determine how fast your ignition timing will retard This setting is in total degrees For instance the factory setting is at 14 of retard This means that the Enhancer will start to retard at 4000 rpm and will end up with a total of 14 of retarded timing at the rev limit point The chart below shows the timing graph of the Enhancer as it is shipped from the factory and then the different retard slopes that can be achieved by adjusting the Max Speed Retard Switches S3 S4 and S5 are control the Max Speed Retard set
7. the MSD Kill Switch White Wire 8 The Light Blue wire controls the Holeshot feature of the Enhancer Ignition System When this wire is connected to ground the ignition will go into a low rpm rev limit Typically this wire is connected to a clutch lever actuated switch Figure 2 MSD IGNITION 12120 ESTHER LAMA SUITE 114 EL PASO TEXAS 79936 915 857 5200 FAX 915 858 9241 INSTALLATION INSTRUCTIONS 3 9 The NiCad battery mounts between the gas tank and the plastic body Mount the battery to the mounting plate and slide the assembly between the plastic and the tank Bolt both pieces to the tank with the original hardware Figure 3 10 Route the Red and Black wire from the Enhancer ignition to the battery Make sure they are clear of any exhaust components and secure them to the frame Note It is recommended to disconnect the battery after every ride to preserve the battery life PROGRAMMING One of the many advanced features of the Enhancer Ignition System is the ability to program different timing options into the ignition system This is especially important when making any engine modifications or running special fuels Note After making any program changes you must disconnect the power from the unit and then reconnect it before the changes will take place Figure 3 Mounting the NiCad Battery Max Timing Max Timing refers to the initial timing of the engine Most systems require you to reposition the stator
8. ting MSD IGNITION 12120 ESTHER LAMA SUITE 114 EL PASO TEXAS 79936 915 857 5200 FAX 915 858 9241 MAXIMUM TIMING S1 52 3 53 This example shows the max timing OFF OFF at the 23 ny setting ba ai ON OFF OFF ON ON ENHANCER FPM IGNITION 5 5000 6000 MAX SPEED REV LIMIT RPM 13500 RPM1000 ena Coe Stock Timing Selectable Curve Figure 5 Max Speed Retard Adjustments Holeshot Rev Limit Sear The Holeshot Rev Limiter switches controls the rpm point that the engine will 4204 be at when the light blue wire is activated The first two switches S1 and S2 are on the five switch panel control the Holeshot rpm limits Figure 6 shows the ev different switch settings 3 LESTE Figure 6 Selecting a Holeshot Setting Service In case of malfunction this MSD component will be repaired free of charge according to the terms of the warranty When returning MSD components for service Proof of Purchase must be supplied for warranty verification After the warranty period has expired repair service is charged based on a minimum and maximum charge Send the unit prepaid with proof of purchase to the attention of Customer Service Department Autotronic Controls Corporation 12120 Esther Lama Suite 114 El Paso Texas 79936 When returni
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