Yamaha GRIZZLY ULTRAMATIC YFM660FP Owner's Manual page 300

1. Engine oil drain bolt
1. Boulon de vidange de l'huile
1. Perno de drenaje del aceite de motor
Engine oil and oil filter cartridge replacement
1. Remove panels E and F. (See pages 8-29 ~
8-31 for panel removal and installation proce-
dures.)
2. Warm up the engine for several minutes.
3. Stop the engine. Place an oil pan under the
engine and remove the dipstick.
4. Remove the drain bolt and drain the oil.
8-35