Flipped engine


Well-Known Member
My buddy flipped his mini and his engine stopped working. I see no damage has spark and turns over. Is it possible that the valves are knocked loose? What should I look for? Engine was working fine till it flipped. He put a pred and cares not for the old one. Any ideas? Has it happened to someone else? Any guidance? Thanks I know somebody got a similar experience.


Well-Known Member
Depends how long it ran upside down. Low oil sensor will cut spark so at least enough oil is still in the crankcase if you have spark. Did you pull the spark plug out to test and clean it? Should be able to feel exhaust and intake strokes with your finger with the plug out to quick check the valves and rockers are at least functioning.