Yamaha YFM660RN Service Manual

Contents

3 - 20CHKADJCHECKING THE ENGINE OIL LEVEL/CHANGING THE ENGINE OIL3.Check: Engine oil levelOil level should be between the minimumlevel mark a and the maximum level markb.Low oil level → Add oil to the proper level.NOTE: Wait a few minutes until the oil settles beforeinspecting the oil level. Do not screw the dipstick 1 in when inspect-ing the oil level.NOTE:Recommended oil classification:API Service “SE”, “SF”, “SG” type or equiva-lent (e.g. “SF–SE–CC”, “SF–SE–SD” etc.)CAUTION: Do not add any chemical additives.Engine oil also lubricates the clutch andadditives could cause clutch slippage. Do not allow foreign material to enter thecrankcase.4.Start the engine and let it warm up for sev-eral minutes.5.Stop the engine and inspect the oil levelagain.NOTE:Wait a few minutes until the oil settles beforeinspecting the oil level.Recommended oil:Follow the left chart.CHANGING THE ENGINE OIL1.Remove: Engine skid plateRefer to “SEAT, FENDERS AND FUELTANK”.2.Start the engine and let it warm up for sev-eral minutes.3.Stop the engine and place a container underthe engine oil drain bolt.