overheating

My HS40 starts very well and runs well, but when I shut it off even after just a few minutes it is impossible to restart. Once it cools down it starts up again just fine. What the...???? One expert I spoke with advised a cooler plug and that might help, but just wanted to check if anyone else...

Hey everyone, my clutch " 3/4 in. 12T Centrifugal Chain Clutch | Princess Auto " Is smoking when I ride my db30 for too long, or when I am going through different terrain, such as sand or mud. I do weigh 210 pounds and believe that may be the situation, but I haven't heard of anyone else's...