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4-30
FUEL
E
OIL PUMP
SERVICE POINTS
Oil pump inspection
1. Inspect:
● Oil pump
Contaminants → Clean.
Damage/wear → Replace.
● Oil pump joint piece
Damage/wear → Replace.
Oil hose inspection
1. Inspect:
● Oil hose
Cracks/damage → Replace.
CAUTION:
If the oil feed hoses are not full of oil, fill
them up.
Check valve inspection
1. Check:
● Check valve
Faulty → Replace.
Oil pump cable adjustment
1. Check:
● Oil pump lever position
Incorrect → Adjust.
Checking steps:
● Connect a hose to the end of check
valve “A” and blow into it.
Air should come out from end “B”.
● Connect the hose to the end of check
valve “B” and blow into it.
Air should not come out from end “A”.
Checking steps:
● Fully close the carburetor throttle
valves.
● Check that the mark a on the oil pump
lever is aligned with the mark b on the
oil pump body.
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