compression

hi guys, i got an apollo 125cc which is brand new but was sitting for some time. first day i got it on and it shut off and didn't turn on again. i would kick start it, it would rev super high then shut off and would lose the compression for a little then same thing again. I then got a new Mikuni...

I recently bought a 2000 XR200R. I never thought of this while buying it but when I was testing it, it was smoking like crazy (it's four stroke) and there was a lack of power for a 200cc engine. When I got home, I drove it to a trail and thats when it died. First, it wouldn't shift back into...