
TROUBLESHOOTING
8-2
• Improper throttle cable free play
• Flooded throttle body
Electrical system
1. Battery
• Discharged battery
• Faulty battery
2. Spark plug(s)
• Incorrect spark plug gap
• Incorrect spark plug heat range
• Fouled spark plug
• Worn or damaged electrode
• Worn or damaged insulator
• Faulty spark plug cap
3. Ignition coil(s)
• Broken or shorted primary or secondary
coils
• Faulty spark plug lead
• Cracked or broken ignition coil
4. Ignition system
• Faulty ECU
• Faulty crankshaft position sensor
• Broken generator rotor Woodruff key
EAS28510
POOR MEDIUM-AND-HIGH-SPEED PER-
FORMANCE
Refer to “STARTING FAILURES” on page 8-1.
Engine
1. Air filter
• Clogged air filter element
Fuel system
1. Fuel pump
• Faulty fuel pump
EAS28530
FAULTY GEAR SHIFTING
Shifting is difficult
Refer to “Clutch drags”.
EAS28540
SHIFT PEDAL DOES NOT MOVE
Shift shaft
• Improperly adjusted shift rod
• Bent shift shaft
Shift drum and shift forks
• Foreign object in a shift drum groove
• Seized shift fork
• Bent shift fork guide bar
Transmission
• Seized transmission gear
• Foreign object between transmission gears
• Improperly assembled transmission
EAS28550
JUMPS OUT OF GEAR
Shift shaft
• Incorrect shift pedal position
• Improperly returned stopper lever
Shift forks
• Worn shift fork
Shift drum
• Incorrect axial play
• Worn shift drum groove
Transmission
• Worn gear dog
EAS28560
FAULTY CLUTCH
Clutch slips
1. Clutch
• Improperly assembled clutch
• Improperly adjusted clutch cable
• Loose or fatigued clutch spring
• Worn friction plate
• Worn clutch plate
2. Engine oil
• Incorrect oil level
• Incorrect oil viscosity (low)
• Deteriorated oil
Clutch drags
1. Clutch
• Unevenly tensioned clutch springs
• Warped pressure plate
• Bent clutch plate
• Swollen friction plate
• Bent clutch pull rod
• Broken clutch boss
• Burnt primary driven gear bushing
• Match marks not aligned
2. Engine oil
• Incorrect oil level
• Incorrect oil viscosity (high)
• Deteriorated oil
Содержание Star XVS950A 2009
Страница 1: ...SERVICE MANUAL XVS950A Y 2009 26P 28197 E0 ...
Страница 6: ......
Страница 8: ......
Страница 47: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 24 ...
Страница 50: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 EAS20410 LUBRICATION DIAGRAMS ...
Страница 52: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Страница 53: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 30 1 Camshaft 2 Crankshaft ...
Страница 54: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 ...
Страница 55: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Oil drain bolt 2 Crankshaft ...
Страница 56: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 33 ...
Страница 58: ...CABLE ROUTING 2 35 EAS20430 CABLE ROUTING ...
Страница 60: ...CABLE ROUTING 2 37 ...
Страница 62: ...CABLE ROUTING 2 39 ...
Страница 64: ...CABLE ROUTING 2 41 ...
Страница 66: ...CABLE ROUTING 2 43 ...
Страница 68: ...CABLE ROUTING 2 45 ...
Страница 70: ...CABLE ROUTING 2 47 ...
Страница 72: ...CABLE ROUTING 2 49 ...
Страница 74: ...CABLE ROUTING 2 51 ...
Страница 76: ...CABLE ROUTING 2 53 ...
Страница 78: ...CABLE ROUTING 2 55 ...
Страница 80: ...CABLE ROUTING 2 57 ...
Страница 82: ...CABLE ROUTING 2 59 ...
Страница 84: ...CABLE ROUTING 2 61 ...
Страница 87: ......
Страница 118: ...PERIODIC MAINTENANCE 3 31 ...
Страница 121: ......
Страница 191: ...INSTALLING THE SHIFT FORKS AND SHIFT DRUM ASSEMBLY 5 78 ...
Страница 284: ...THROTTLE BODIES 6 13 ...
Страница 287: ......
Страница 288: ...IGNITION SYSTEM 7 1 EAS27090 IGNITION SYSTEM EAS27110 CIRCUIT DIAGRAM ...
Страница 294: ...ELECTRIC STARTING SYSTEM 7 7 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Страница 300: ...CHARGING SYSTEM 7 13 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Страница 301: ...CHARGING SYSTEM 7 14 2 AC magneto 3 Rectifier regulator 4 Main fuse 5 Battery ...
Страница 303: ...CHARGING SYSTEM 7 16 ...
Страница 304: ...LIGHTING SYSTEM 7 17 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Страница 308: ...SIGNALING SYSTEM 7 21 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Страница 314: ...FUEL INJECTION SYSTEM 7 27 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Страница 318: ...FUEL INJECTION SYSTEM 7 31 EAS5S71040 TROUBLE SHOOTING CHART ...
Страница 356: ...FUEL PUMP SYSTEM 7 69 EAS27550 FUEL PUMP SYSTEM EAS27560 CIRCUIT DIAGRAM ...
Страница 359: ...FUEL PUMP SYSTEM 7 72 ...
Страница 360: ...IMMOBILIZER SYSTEM 7 73 EAS27640 IMMOBILIZER SYSTEM EAS27650 CIRCUIT DIAGRAM ...
Страница 369: ...IMMOBILIZER SYSTEM 7 82 ...
Страница 370: ...ELECTRICAL COMPONENTS 7 83 EAS27970 ELECTRICAL COMPONENTS ...
Страница 372: ...ELECTRICAL COMPONENTS 7 85 ...
Страница 374: ...ELECTRICAL COMPONENTS 7 87 EAS27980 CHECKING THE SWITCHES ...
Страница 399: ......
Страница 400: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...