Honda CBR650RA Shop Manual page 280

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CLUTCH/GEARSHIFT LINKAGE/STARTER CLUTCH
SERVICE INFORMATION
CLUTCH/GEARSHIFT LINKAGE/STARTER CLUTCH
GENERAL
• This section covers service of the clutch, gearshift linkage and starter clutch. All service can be done with the engine installed in
the frame.
• Engine oil viscosity and level have an effect on clutch disengagement. When the clutch does not disengage or the motorcycle
creeps with clutch disengaged, inspect the engine oil level before servicing the clutch system.
• For starter motor service (page 6-5).
TROUBLESHOOTING
Clutch lever is too hard to pull in
• Damaged, kinked or dirty clutch cable
• Improperly routed clutch cable
• Damaged clutch lifter mechanism
• Faulty clutch lifter bearing
• Clutch lifter pin installed improperly
Clutch slips when accelerating
• Clutch lifter sticking
• Worn clutch discs
• Weak clutch springs
• No clutch lever freeplay
• Engine oil mixed with molybdenum or graphite additive
Clutch will not disengage or motorcycle creeps with clutch disengaged
• Excessive clutch lever freeplay (page 3-23)
• Clutch plate warped
• Engine oil level too high, improper engine oil viscosity or additive used
• Loose clutch center lock nut
• Damaged clutch lifter mechanism
• Clutch lifter pin installed improperly
• Worn clutch outer slot and clutch center grooves
• Improper clutch operation
Hard to shift
• Incorrect clutch cable adjustment
• Improper clutch operation
• Improper engine oil viscosity
• Damaged or bent shift forks (page 13-8)
• Bent shift fork shaft (page 13-8)
• Bent shift fork claw (page 13-8)
• Loose shift drum center bolt
• Damaged shift drum center
• Damaged shift drum guide grooves (page 13-8)
• Damaged or bent gearshift spindle
Transmission jumps out of gear
• Worn shift drum stopper arm
• Weak or broken shift drum stopper arm return spring
• Loose shift drum center bolt
• Damaged shift drum center
• Bent shift fork shaft (page 13-8)
• Damaged or bent shift forks (page 13-8)
• Worn gear engagement dogs or slots (page 13-8)
Gearshift pedal will not return
• Weak or broken gearshift spindle return spring
• Damaged or bent gearshift spindle
Starter motor turns, but engine does not turn
• Faulty starter clutch
• Damaged starter reduction gear/shaft
• Damaged or faulty starter motor pinion gear
• Damaged starter driven gear
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