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help on my cr125 2000

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Jun 18, 2007
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#1
well i just purchased a cylinder on **** as mine is long gone and the cylinder came with a piston ring and gaskets and modifyed valves and all of that stuff yeah. but now i just found out that the cylinder was bored to 57.96mm that makes it a 144cc and when i first got it running there was great compression and i ran the bike in 3-4 tanks 2-3 throttle but then i found out that there was air leakege, now i can not fix this leakage it is from the cylinder to the top end (spark plug connects to) so i try tighting the bolt but it would just not tighten so what i did was replace the gasket still didnt work can somebody help me out please i need help