Removal; Inspection - Yamaha RS90GTZ Service Manual

OIL PAN AND OIL PUMP

REMOVAL

1. Remove:
• Oil pan
TIP
Loosen each bolt 1/4 of a turn at a time, in
stages and in a crisscross pattern. After all of
the bolts are fully loosened, remove them.
2. Remove:
• Oil pump driven gear
TIP
• While holding the oil pump driven gear with
the rotor holding tool
driven gear bolt.
• To prevent the oil pump chain falling into the
crankcase, fasten it with a wire.
Universal magneto & rotor holder:
YU-01235
Rotor holding tool:
90890-01235

INSPECTION

1. Inspect:
• Oil pump driven gear
Crack/damage/wear → Replace.
2. Inspect:
• Oil pump housing
• Oil pump covers
Cracks/damage/wear → Replace the oil
pump assembly.
5-51
ENG
, loosen the oil pump