inconsistent

I am having trouble with my 450. It was running fine, then gave up on a ride. I got it home and started checking. I have put a new spark plug in and checked the spark under starter motor. Plug will spark for a bit then stop for a bit, start, stop, start, stop. You get the picture. Is...

Hey Guys, I thought I would ask, My 2005 fs650e has had this problem since the middle of last summer. When I start the bike (2 kicks max) with the choke on it idles at 3500rpm. when I turn the choke off It will go below 1500rpms and die unless i keep my hand on the gas. once the bike is warn...