2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 85Get 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) 1