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i have my 139qmb 50cc bike with a large polini free flow air filter and stage 6 pipe and im currently running a 88# main jet which i think is too...
hello guys! i need help i smashed my exhauist cover plate off the side of my fence and pedparts dont sell the plate seperately from the exhaust...
my 50cc all of a sudden with a new sealed battery fitted keeps going flat its only just over a year old and I WOKE UP WENT TO START THE BIKE...
my 139qmb 50cc indicator stopped working, i crimped it back and it still dont work .... i made up a new indicator unit and it still dont work, all...
i have my stock 50cc 139qmb engine with stock carb jet and i dont have the time to take apart and measue the thread size of the jet........ i...
> i have my 139qmb standard jet to be around 75-80, i have an open air polini filter from pedparts and a stage 6 exhaust , i was just wondering...
i have a 139qmb engine stock 50cc stock carb and im getting 45mph on stock jet but i have a polini free flow filter and stage 6 exhaust on it...
