3. INSPECTION/ADJUSTMENT DOWNTOWN 125i Oil filter replacement Change the engine oil with the engine at normal operating temperature and the scooter on its center stand to assure complete and rapid draining. Let the engine and exhaust system cool before working in those areas. 1. Remove the oil filler cap/dipstick (1) from the right crankcase cover. (1) 2. Place a drain pan under the crankcase. Remove three bolts and then remove the oil filter cap (2) and O-ring (3). The spring (4) will come out when the filter cap is removed. Let the engine oil drain out. 3. Remove and discard the oil filter (5). Do not remain the rubber seal on the oil filter in the oil filter housing. (2) 4. Check that the O-ring is in good condition. 3-9