No, , it was a piece of cake really. I turned the engine over by hand, with 7 of the 14 sparkplugs removed, untill it started showing oil pressure. ONLY THEN did we add the motion lotion. VERY careful with another man`s engine. Then turned it over with the starter, for about 10 seconds. (AFTER the 7 sparkers were put back in..... ) After the 3rd or 4th revolution of the prop she spluttered into life, with a bit of smoke, and some mor spluttering, she soon evened out with a most enjoyable throaty roar. This engine makes music.