Honda TRX400EX FOURTRAX 1999 Service Manual page 126

Remove the gasket and dowel pins.
Remove the O-ring and oil pump driven sprocket from
the oil pump.
CLUTCH LIFTER ARM
Remove the clutch lifter arm and return spring from
the right crankcase cover.
Check the lifter arm spindle for wear or damage.
Check the return spring for fatigue or damage.
Check the spindle dust seal and needle bearings for
wear or damage.
Replace any faulty parts.
9-4
DOWEL-PINS
RETUR
LIFTER ARM
BEARING