3 - 21CHKADJCHANGING THE ENGINE OIL4.Remove: Dipstick 1 Engine oil drain bolt (oil tank) 2 Engine oil drain bolt (crankcase) 3Drain the engine oil from the oil tank andcrankcase.5.If the oil filter cartridge is also to be replaced,perform the following procedure.***********************************************Replacement steps: Remove the oil filter cartridge 1 with an oilfilter wrench 2. Apply a thin coat of engine oil to the O-ring3 of the new oil filter cartridge.CAUTION:Make sure that the O-ring 3 is properlyseated in the groove of the oil filter car-tridge.Oil filter wrench:P/N. YM-01469, 90890-01469