what would cause this???

[theTman]

so me and my freind were ridin in the pit and i go to do a wheelie and ti goes sumthin lie pop pop pop....close enough.... so we couldnt figure out wtf was wrong... then i check the plug cap and i pull it out and the whole damn plug was out... the threars werent stripped or anything... what would cause this????

[schmitthead]

the engine vibrates like mad, i would imagine it coming loose if you didnt have it to torque specs.

[sly400ex]

maybe it was tightened in there:huh

[theTman]

since ive had the quad ( early feb.) ive neva even touched the plug....