OIL & FILTER CHANGE :3.6 L (3.8/3.2 US/IMP QT)( NOTE THIS NEXT STEP IS WITH OUT THE FILTER ) oil should be changed while engine is warm.drain oil by removing the oil drain plugs and filter cap. MOTORCYCLE ON SIDE STAND POSITION. tighten the drain plugs,pour fresh oil 3.0L tighten the filler cap, start up the engine and allow it to run few minutes at IDLING( NO GAS ) speed, remove the filler cap , pour fresh oil 0.4L ,tighten the filler cap. OIL LEVEL INSPECTION . start up the engine and allow it to run 15 min at IDLING SPEED. keep the motorcycle upright. turn off the engine and wait about 3 min then check the oil level removing the filler cap . if the level is below mark "L" add oil to "F" level (DO NOT SCREW THE FILLER CAP) IF THE LEVEL IS ABOVE MARK "F" drain oil to "F" level. IF YOU CHANGE OIL AND FILTER THEY ARE SAYING YOU SHOULD USE ABOUT 3.8-3.2 US QTS AND CHECK IT LIKE ABOVE . THIS IS FROM A DEALER SERVICE MANUAL. HOPE THIS WILL HELP.