2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 104Get this manual
CHANGING THE ENGINE OIL
CHANGING THE ENGINE OIL 1.Start the engine and let it warm up for several minutes2.Stop the engine and place an oil pan under the engine3.Remove: Seat Fuel tank side panel (left) Engine side cover Refer to "SEAT, CARRIERS, FENDERS AND FUEL TANK"4.Remove: Engine oil filler plug (dipstick) Engine oil drain bolt Drain the engine oil from the crank case
5.If the oil filter cartridge is also to be replaced, perform the following procedure Replacement steps: Remove the oil filter cartridge with an oil filter wrench 2Oil filter wrench: PNYU-38411, 90890-01426