Hey I have been kicking around this site for about a year trying to get my Maxi up to full speed (or at least 25). It is 2 hp, all stock and only gets up to 18 mph.
As previously advised I cleaned the carb and repaced the spark plug (did chops to get it right). If I take the exhaust off I get up to probably 30 mph. I cleaned the baffel and put the pipe backon but still could not get up to 20. Soaked the pipe in degreaser.... still no change. So I finally bit the bullet and got a new stock pipe and installed it - and still cant get up to 20 mph?
I figure something must be wrong with the exhaust - because when it is off the ped screams... but my neighbors would appreciate a quieter solution. Any ideas?
Note: I have no air box on the intake... but tried putting tape over part of it to restric the air and that just bogged the performance way down.