Yamaha WOLVERINE X4 2021 Owner's Manual page 129

TIP
Refer to steps 2–9 of the "To change the en-
gine oil" section for the oil draining procedure.
4. Remove the oil filter cartridge with an oil
filter wrench. Make sure that the O-ring is
removed together with the oil filter car-
tridge. If the O-ring remains attached to
the crankcase, oil leakage may occur.
TIP
An oil filter wrench is available from a Yamaha
dealer.
1. Oil filter wrench
2. Oil filter cartridge
5. Apply a light coat of clean engine oil to
the O-ring of the new oil filter cartridge.
TIP
Make sure that the O-ring is properly seated.
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