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Hi, okay i need some help. I baught a TB 165 bore kit with v2 head, carb, the whole works for my 05 klx 110. I installed everything. I started the motor and it sounded great i rode it for about 2 hours and broke the motor in. Then i hear a "POP" and bike dies. Long story short when i pulled the side cover off the head, the cam sprocket and chain were just laying there and it stripped out the threads in the cam sprocket bolts. The cam threads are fine though. I pulled the head and cylinder off also and everything looked to be okay, and the valves were not touched. Anyway i drained the oil and cleaned out the few metal shavings that were there and changed the oil filter. I got knew bolts and used lock tight and reinstalled them. But now the bike does not run right at all. It starts perfect, but it backfires some and dies out at half throttle and spits and sputters. I have no clue whats wrong. It ran perfect before those bolts stripped. Any ideas? could the cam chain have stretched? I looked at it, and it seemed fine. Any help would be greatly appreciated.
Thank you.
Thank you.