Yamaha GRIZZLY 450 YFM450DF Owner's Manual page 110

8. Install the panel.
To change the engine oil (with or without oil fil-
ter cartridge replacement)
1. Place the ATV on a level surface.
2. Remove panel E. (See page 8-10.)
3. Start the engine, warm it up for several min-
utes, and then turn it off.
4. Place an oil pan under the engine to collect
the used oil.
5. Remove the engine oil filler cap, and then re-
move the engine oil drain bolt and its gasket
to drain the oil from the crankcase.
8
2
1
1. Engine oil drain bolt
2. Gasket
TIP
Skip steps 6–10 if the oil filter cartridge is not be-
ing replaced.
6. Remove panels C and D. (See page 8-10.)
7. Remove the oil filter cartridge with an oil filter
wrench.
1. Oil filter cartridge
8-18