Yamaha XVS650 Service Manual page 322

FAULTV GEAR SHIFTING/
ISTHRTBU
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CLUTCH SLIPPING/DRAGGING,
gJ ,
EB903000
FAULTV GEAR SHIFTING
HARD SHIFTING
Refer to IICLUTCH DRAGGING".
SHIFT PEDAL DOES NOT MOVE
Shift shaft
• Improperly adjusted shift pedal link
• Bent shift shaft
Shift cam, shift fork
• Groove jammed with impurities
• Seized shift fork
• Bent shift fork guide bar
JUMPS-OUT-OF GEAR
Shift shaft
• Improperly adjusted shift lever position
• Improperly returned stopper lever
Shift fork
• Worn shift fork
EB904000
CLUTCH SLIPPING/DRAGGING
CLUTCH SLIPPING
Clutch
• Improperly adjusted clutch cable
• Loose clutch spring
• Fatigued clutch spring
• Worn friction plate/clutch plate
• Incorrectly assembled clutch
CLUTCH DRAGGING
Clutch
• Warped pressure plate
• Unevenly tensioned clutch springs
• Bent push rod
• Broken clutch boss
• Burnt primary driven gear bushing
• Bent clutch plate
• Swollen friction plate
• Match marks not aligned
8-3
Transmission
• Seized transmission gear
• Jammed impurities
• Incorrectly assembled transmission
Shift cam
• Improper thrust play
• Worn shift cam groove
Transmission
• Worn gear dog
Engine oil
• Improper oil level
• Improper viscosity (low)
• Deterioration
Engine oil
• Improper oil level
• Improper viscosity (high)
• Deterioration