SHAFT DRIVE
4-95
EAS23560
TROUBLESHOOTING
TIP
Causes A, B, and C may be extremely difficult to diagnose. The symptoms are quite subtle and difficult
to distinguish from normal operating noises. If there is reason to believe that these components are
damaged, remove them and check them individually.
Inspection notes
1. Investigate any unusual noises.
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The following noises may indicate a mechanical defect:
a. A rolling “rumble” during coasting, acceleration or deceleration (increases with the rear wheel speed,
but does not increase with higher engine or transmission speeds)
Wheel bearing damage
b. A whining noise that varies with acceleration and deceleration
Incorrect reassembly or too little gear backlash
WARNING
EWA13780
Insufficient gear backlash is extremely destructive to the gear teeth. If a test ride, following re-
assembly, indicates these symptoms, stop riding immediately to minimize gear damage.
c. A slight “clunk” evident at low speed operation (not to be confused with normal vehicle operation)
Broken gear teeth
WARNING
EWA13790
Stop riding immediately if broken gear teeth are suspected. This condition could result in the
shaft drive assembly locking up, causing a loss of control and possible injury to the rider.
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Troubleshooting chart
When causes (a) or (b) shown in the table at the beginning of the “TROUBLESHOOTING” section exist,
check the following points.
YES
→
NO
↓
Symptom
Possible cause
1. A pronounced hesitation or jerky movement
during acceleration, deceleration or sus-
tained speeds (not to be confused with en-
gine surging or transmission-related
movements).
2. A rolling “rumble” noticeable at low speeds, a
high-pitched whine or a “clunk” from a shaft
drive component, or from the vicinity of the
shaft drive.
3. The shaft drive is locked up or no power is
transmitted from the engine to the rear
wheel.
A. Bearing damage
B. Improper gear backlash
C. Damaged gear teeth
D. Broken drive shaft
E. Broken gear teeth
F. Seizure due to lack of lubrication
G. Small foreign objects lodged between mov-
ing parts
1. Place the vehicle on a suitable
stand so that the front wheel is ele-
vated and then spin the front wheel.
Is the wheel bearing damaged?
• Replace the wheel bearing.
• Refer to “FRONT WHEEL” on page 4-12.
Summary of Contents for Vmax VMX17C 2009
Page 1: ...2009 SERVICE MANUAL VMX17Y C LIT 11616 22 64 2S3 28197 10 ...
Page 6: ......
Page 8: ......
Page 52: ...SPECIAL TOOLS 1 43 ...
Page 85: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 32 ...
Page 90: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 1 4 5 2 3 ...
Page 92: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 A 2 A 4 3 2 1 ...
Page 94: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 A A 1 A A 7 6 8 5 4 3 2 ...
Page 98: ...COOLING SYSTEM DIAGRAMS 2 45 6 1 2 3 4 5 2 3 4 5 7 6 8 9 A B C F E D ...
Page 102: ...CABLE ROUTING 2 49 A B B A B B A B C D E F F H I 1 2 3 4 4 5 6 7 8 G 6 ...
Page 106: ...CABLE ROUTING 2 53 A B 7 1 2 3 4 5 6 12 11 13 F E D 10 C G 14 9 8 ...
Page 110: ...CABLE ROUTING 2 57 A A A B D E F H 1 2 2 3 4 3 5 6 7 8 9 C 4 5 G ...
Page 114: ...CABLE ROUTING 2 61 A A A A A B C 1 2 3 4 5 6 7 8 9 10 11 ...
Page 120: ...CABLE ROUTING 2 67 B A C C B A C C A B C D E F G H I J 1 2 1 2 5 1 2 3 5 3 4 5 ...
Page 124: ...CABLE ROUTING 2 71 ...
Page 127: ......
Page 270: ...SHAFT DRIVE 4 105 ...
Page 316: ...GENERATOR AND STARTER CLUTCH 5 43 a 1 ...
Page 364: ...CONNECTING RODS AND PISTONS 5 91 a ...
Page 390: ...MIDDLE GEAR 5 117 ...
Page 406: ...WATER PUMP 6 15 ...
Page 425: ...THROTTLE BODIES 7 18 1 ...
Page 426: ...AIR INDUCTION SYSTEM 7 19 EAS27040 AIR INDUCTION SYSTEM A A 6 5 4 5 6 1 4 3 3 2 1 A B C D ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 445: ...ELECTRIC STARTING SYSTEM 8 12 ...
Page 447: ...CHARGING SYSTEM 8 14 1 AC magneto 2 Rectifier regulator 6 Main fuse 8 Battery 9 Frame ground ...
Page 449: ...CHARGING SYSTEM 8 16 ...
Page 461: ...SIGNALING SYSTEM 8 28 ...
Page 465: ...COOLING SYSTEM 8 32 ...
Page 501: ...FUEL INJECTION SYSTEM 8 68 ...
Page 505: ...FUEL PUMP SYSTEM 8 72 ...
Page 509: ...ABS ANTI LOCK BRAKE SYSTEM 8 76 ...
Page 549: ...ABS ANTI LOCK BRAKE SYSTEM 8 116 ...
Page 552: ...ELECTRICAL COMPONENTS 8 119 3 4 5 6 2 1 7 8 9 10 11 12 13 14 15 16 17 18 19 ...
Page 574: ...ELECTRICAL COMPONENTS 8 141 ...
Page 581: ......
Page 582: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...