TROUBLESHOOTING
9-2
• Flooded throttle body
• Faulty air induction system
Electrical system
1. Battery
• Discharged battery
• Faulty battery
2. Spark plug
• 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
• 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
PERFORMANCE
Refer to “STARTING FAILURES” on page 9-1.
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
• 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 push 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
EAS28600
OVERHEATING
Engine
1. Clogged coolant passages
• Cylinder head and piston
• Heavy carbon buildup
Содержание WR125R 2009
Страница 1: ...2009 SERVICE MANUAL WR125R WR125X 22B F8197 E0 ...
Страница 6: ......
Страница 8: ......
Страница 24: ...SPECIAL TOOLS 1 15 ...
Страница 51: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 26 ...
Страница 54: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 EAS20410 LUBRICATION DIAGRAMS A 1 4 5 6 7 2 3 ...
Страница 56: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 31 1 3 2 4 ...
Страница 57: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 32 1 Camshaft 2 Crankshaft 3 Main axle 4 Drive axle ...
Страница 58: ...COOLING SYSTEM DIAGRAMS 2 33 EAS20420 COOLING SYSTEM DIAGRAMS 9 1 2 6 7 8 3 5 4 ...
Страница 64: ...CABLE ROUTING 2 39 D D D D B C C B A A E D D C C B B A A E B F A E C D 1 2 1 1 1 5 7 6 4 3 8 8 7 5 4 3 ...
Страница 66: ...CABLE ROUTING 2 41 A A B B C C A A B B A B C E D 1 2 3 4 5 6 7 8 9 12 10 11 14 13 ...
Страница 68: ...CABLE ROUTING 2 43 B B C C A A A B B C C A A B C C 1 2 3 4 3 4 5 6 7 8 9 10 11 ...
Страница 72: ...CABLE ROUTING 2 47 A A C C B B A A B C C B A B E C D 1 2 3 4 5 7 8 9 6 5 6 17 18 12 13 14 14 19 15 16 10 11 ...
Страница 78: ...CABLE ROUTING 2 53 ...
Страница 81: ......
Страница 109: ...ELECTRICAL SYSTEM 3 28 1 a b ...
Страница 110: ...ELECTRICAL SYSTEM 3 29 ...
Страница 113: ......
Страница 142: ...FRONT BRAKE 4 29 Refer to BLEEDING THE HYDRAULIC BRAKE SYSTEM on page 3 19 ...
Страница 184: ...CHAIN DRIVE 4 71 ...
Страница 248: ...CRANKCASE 5 61 A Left crankcase B Right crankcase A 1 7 11 12 3 14 2 13 4 5 6 8 9 10 16 15 B ...
Страница 258: ...TRANSMISSION 5 71 ...
Страница 277: ...THROTTLE BODY 7 8 ...
Страница 278: ...AIR INDUCTION SYSTEM 7 9 EAS27040 AIR INDUCTION SYSTEM 2 1 3 ...
Страница 282: ...AIR INDUCTION SYSTEM 7 13 ...
Страница 285: ......
Страница 295: ...ELECTRIC STARTING SYSTEM 8 10 ...
Страница 297: ...CHARGING SYSTEM 8 12 2 AC magneto 4 Rectifier regulator 5 Main fuse 6 Battery ...
Страница 299: ...CHARGING SYSTEM 8 14 ...
Страница 313: ...COOLING SYSTEM 8 28 ...
Страница 343: ...FUEL PUMP SYSTEM 8 58 ...
Страница 369: ......
Страница 370: ......