seized engine

Hello everyone, I recently put together a 49cc 4 stroke kit I bought online and after about an hour of off and on use the clutch exploded. After buying a new clutch I put it in and after a few more minutes of riding the engine started running REALLY rough. I left it in the shop for a day and...

Hey guys, so heres the deal. I had been running my bike without the head nuts/ bolts at the correct torque for a long time, and read somewhere that it was a good idea to torque them to around 120 in/lbs. so i unbolted the nuts,took the head off, and used two nuts tightened together to torque...