Yamaha RS90GTZ Service Manual page 48

ENGINE OIL REPLACEMENT
10.Remove:
• Oil tank engine oil drain bolt
11.Drain:
• Engine oil
(completely from the oil pan and oil tank)
12.If the oil filter cartridge is also to be
replaced, perform the following procedure.
Replacement steps:
• Remove the oil filter cartridge
filter wrench
TIP
Make sure that the O-ring is removed together
with the oil filter cartridge. If the O-ring remains
attached to the crankcase, oil leakage may
occur.
• Apply a thin coat of engine oil onto the O-ring
of the new oil filter cartridge.
NOTICE
Make sure that the O-ring is positioned cor-
rectly in the groove of the oil filter car-
tridge.
• Tighten the new oil filter cartridge to specifi-
cation with an oil filter wrench.
13.Install:
• Drain bolts
(along with the new gaskets)
2-25
INSP
ADJ
.
Oil filter wrench:
YM-01469
90890-01469
Oil filter cartridge:
17 Nm (1.7 m•kgf, 12 ft•lbf)
Oil tank engine oil drain bolt:
16 Nm (1.6 m•kgf, 11 ft•lbf)
Oil pan engine oil drain bolt:
10 Nm (1.0 m•kgf, 7.2 ft•lbf)
with an oil