3. ENGINE
3-
1. Retaining screws
2. Oil pump cover
3. Remove oil pump shaft with needle pin and
inner rotor.
4. Remove outer rotor.
1. Outer rotor
2. Needle pin
3. Oil pump shaft
4. Inner rotor
Oil Pump Inspection
Inspect oil pump and oil pump cover bore for
marks, scratches or other damages. Check for
scratches in crankcase between outer rotor and
oil pump bore. lf so, replace damaged parts.
Check oil pump cover for damages and for surface
straightness with a straightedge.
1. Oil pump bore
2. Outer rotor
3. Oil pump shaft
4. Needle pin
5. Inner rotor
Check inner rotor for corrosion pin holes or other
damages. If so, replace oil pump shaft assembly.
1. Pittings on the teeth
Using a feeler gauge, measure the clearance of
inner and outer rotors as shown.
CLEARANCE OF INNER AND OUTER ROTOR
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