Troubleshooting Of Clutch - Yamaha YZ250X 2022 Owner's Service Manual

EAM30510

TROUBLESHOOTING OF CLUTCH

Manual clutch
Symptom
Clutch slippage
Clutch drags
Possible cause
Improperly assembled clutch
Improperly adjusted clutch cable
Loose clutch spring
Fatigued clutch spring
Warped pressure plate
Worn friction plate
Warped or worn clutch plate
Incorrect oil level
Incorrect oil viscosity (low)
Deteriorated oil
Faulty clutch spring
Warped pressure plate
Swollen friction plate
Warped clutch plate
Bent pull rod (outer pull type)
Worn pull rod tooth (outer pull
type)
Bent push rod (inner push type)
Damaged or worn clutch boss
Seized clutch housing bushing
Improperly installed pull lever
Incorrect oil level
Incorrect oil viscosity (high)
Deteriorated oil
9-6
TROUBLESHOOTING
Actions
Reassemble the clutch.
Adjust the clutch lever free play.
Tighten the clutch spring bolts to
the specified torque.
Replace the clutch springs as a
set.
Replace the pressure plate.
Replace the friction plates as a
set.
Replace the clutch plates as a set.
Adjust the engine oil level to the
specified level.
Change to recommended engine
oil.
Change to recommended engine
oil.
Replace the clutch springs as a
set.
Replace the pressure plate.
Replace the friction plates as a
set.
Replace the clutch plates as a set.
Replace the pull rod.
Replace the pull rod and pull lever
shaft as a set.
Replace the push rod.
Replace the clutch boss.
Replace the clutch housing.
Align the match mark on the pull
lever before installation.
Adjust the engine oil level to the
specified level.
Change to recommended engine
oil.
Change to recommended engine
oil.