the drain plug is located just under the gear changer .remove by turning to the left . replace turning to the right your sump will hold just over a litre you will see your oil level throught the inspection window on the right hand side of the motor bottom of motor right handside fill inbetween the low and high marks .Your oil filter is on the right hand side round crome cover three bolts remove and cover comes of pull oil filter out put new on in replace cover and replace cover