Breaking in the engine had a sudden loss of power up hill found out exhaust was leaking through head gasket tried to tighten head bolts up while warm with torque wrench to 10ftlbs when one bolt kept turning Crap! taking cylinder off found block threads were stripped or so i thought threaded the bold it with cylinder off it went in fine and got tight seemed fine i put thread lock on too to be sure went to tighten all up and kept turning along with another bolt CRap! now I am frustrated spec is 12 ftlbs im at 10. this thing has cost so much and so many problems out of the box with carburetor clutch throttle assembly chain coil pack and spark assembly everything the other bike went together great what should i do thread it out and helicoil it? I know this is cheap stuff but am i over tightening it? oh and the peddle strippend out and fell off while i was peddle starting any hints there (was probably funny to watch) HELP thanks for your time. this is a grubee 66 kit
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