i got a speedfighter 50cc just added a 70cc kit nd a pm tuning exhust put rollers that came with exhust but now it revs to high soon as i touch the throttle it revs to the max and wont stop i have to turn it off by the key or if i dont rev it it just dies

martin, October 2010

i ive got a gilera i fink urs mite be the same but where there carb is theres a screw that ur screw less or more 4 the revs if thats any help

chris, October 2010