PLEASE HELP!!!!!! I just put a nice 350x motor in my 250x frame but I'm having problems first it wont rev out. and second the headlights wont work. It wont rev out even though Im running a stock carb and muffler the only way i can get it up to to[p speed is shifting like a 2-stroke. I'm thinking it could be the carb cause im running a k&n filter. The three wheeler would kill most anything now in the 4-wheeler it wont kill a simple 300ex. Whats going on? Please help I cant satnd that little @$#%* beating me.
Any suggestions would be appreciated.

 

The engine does not like the idea that you have it in a 4 wheel frame!!!![img]i/expressions/face-icon-small-smile.gif[/img] Light mag may be going out......? Most of the stock carbs were set pretty lean, do a plug inspection and see if it is lean.