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Ethan T
Guest
hi well i have a honda 400ex four wheeler i just put a brand new spark plug in and tightened it pretty tight in there. Anyways when i ride for about 15-20 mins. and the spark plug some how comes out of the head of the engine if anyone has any idea why its doing that please let me know . Thanks Ethan
P.S. Its a brand new spark plug
P.S. Its a brand new spark plug