Most engines with overall performance rankings of 135HP will functionality better if lubed with MerCruiser out drive oil. Pull the dipstick, wipe the oil from it and re-insert it during the crankcase. Then pull the stick again and Look at the oil stage. This will help make sure proper venting https://differenttypesofspoilers17283.newsbloger.com/27779378/what-does-types-of-oil-goes-in-a-mercruiser-outdrive-mean