Yamaha GRIZZLY 450 YFM45FGY Owner's Manual page 106

TIP
Skip steps 6–10 if the oil filter cartridge is not being
replaced.
6. Remove panels D and E. (See page 8-9.)
7. Remove the oil filter cartridge with an oil filter
wrench.
8
1. Oil filter cartridge
1. Oil filter wrench
TIP
An oil filter wrench is available at a nearby Yamaha
dealer.
8. Apply a thin coat of engine oil to the O-ring of
the new oil filter cartridge.
8-19