hi there fellow riders i need help my mc 21 250 r wet clutch version when i start the bike it starts ok but the front cylinder dosent seem to fire well i belive the spark is good but fires intermititly not very well at all ok so now the bike warms up a bit then it just wants to rev to 11000 rpm on one cylinder the back one at the same time the front cylinder will fire once and a while and also will back fire but i think thats from excess gas not burning off i turn off ignition it still runs until i bump the throttle a few times then it will die it wierd please help thanks alot brent


1991 mc21 r