Most engines with effectiveness ratings of 135HP will operate improved if lubed with MerCruiser out drive oil. Pull the dipstick, wipe the oil from it and re-insert it while in the crankcase. Then pull the stick all over again and Test the oil degree. This helps be certain suitable venting https://car-with-a-spoiler51615.mybuzzblog.com/6791221/types-of-oil-goes-in-a-mercruiser-outdrive-options