CPI JW50 JW90 JW100 ATV MOTORCYCLE FACTORY WORKSHOP SERVICE MANUAL

2 STROKE ENGINE

50CC 90CC 100CC



§CONTENTS §
一、TECHNICAL INFORMATION…………………………………………………………………1~4
二、TROUBLE SHOOTING…………………………………………………………………………..5~9
三、MAINTENANCE……………………………………………………………………………….10~15
3-1 MAINTENANCE SCHEDULE……………………………………………... ……………...10
3-2 MAINTENANCE DATA……………………………………………………………………...10
3-3 FUEL TUBE…………………………………………………………………………………...11
3-4 THROTTLE OPERATION…………………………………………………………………..11
3-5 THROTTLE CABLE ADJUSTMENT……………………………………………………...11
3-6 AIR CLEANER……………………………………………………………………………….11
3-7 SPARKK PLUG………………………………………………………………………………12
3-8 IDLE SPEED………………………………………………………………………………….12
3-9 DRIVE CHAIN……………………………………………………………………………12~13
3-10 BRAKE SYSTEM……………………………………………………………………….13~14
3-11 WHEELS AND TIRES……………………………………………………………………...14
3-12 STEERING SYSTEM……………………………………………………………………….14
3-13 TOE-IN……………………………………………………………………………………….15
3-14 GEAR OIL…………………………………………………………………………………...15
四、ENGINE SYSTEM……………………………………………………………………………..16~36
4-1 ENGINE REMOVAL AND INSTALLATION……………………………………………...16
4-2 ENGINE FUEL SYSTEM………………………………………………………………..17~18
4-3 ENGINE LUBRICATION AND COOLING SYSTEM………………………………..18~20
4-4 ENGINE COMBUSTION SYSTEM…………………………………………………….20~25
4-5 TANSMISSION SYSTEM………………………………………………………………..25~31
4-6 CRANKSHAFT / CRANKCASE……………………...………………………………...31~35
4-7 A.C.G ENERATOR……………………………………………………………………….35~36
五、CARBURETOR SYSTEM……………………………………………………………………..37~40
5-1 CARBURETOR REMOVAL………………………………………………………………...37
5-2 STARTER PLUNGER INSPECTION………………………………………………………38
5-3 FLOAT CHAMBER DISASSEMBLY…………………………………………………..38~39
5-4 FUEL HEIGHT INSPECTION……………………………………………………………...39
5-5 CARBURETOR INSTALLATION……………………………………………………...39~40
5-6 REED VALVE…………………………………………………………………………………40
六、FRAME SYSTEM………………………………………………………………………………41~57
6-1 FRONT WHEEL AND STEERING SYSTEM…………………………………………41~50
6-2 REAR WHEELS………………………………………………………………………….50~54
6-3 FENDERS AND EXHAUST PIPE………………………………………………………55~57
七、ELECTRICAL SYSTEM………………………………………………………………………58~62
7-1 TROUBLESHOOTING………………………………………………………………………58
7-2 BATTERY REMOVAL / INSTALLATION ………………………………………...……...59
7-3 A.C.G. INSPECTION………………………………………………………………….....59~60
7-4 RESISTER INSPECTION…………………………………………………………………...60
7-5 C.D.I. INSPECTION………………………………………………………………………….60
7-6 IGNITION COIL INSPECTION………………………………………………………..60~61
7-7 START MOROTR…………………………………………………………………………….61
7-8 START RELLEY INSPECTION…………………………………………………………….61