spelman08 Posted June 18, 2009 Share Posted June 18, 2009 My top speed is 45 and it has a 60cc bore kit and uprated jets whats wrong also the tip of the spark plug is brown but the edge is black so how do i set the air mixture so its right...Cheers Link to comment Share on other sites More sharing options...
wild foamy Posted June 19, 2009 Share Posted June 19, 2009 what sprockets are you running? ive got a 14 tooth front sprocket and a 48 tooth rear sprocket and 40-50mph is all i get, its only a 5-speed and if you gear it up any more you will loose out on inclines and acceleration. Link to comment Share on other sites More sharing options...
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