Re: What's the biggest bolt on bore up kit for a 50cc engine?
That's what i was thinking, but AJS offer an 85cc kit for there DD50 which use the same type of engine as pit's so i was thinking a 90cc may be possible. does anyone have a 90cc cylinder which they could measure the base size of to see if it can fit? was also thinking it might be possible because if u look at the Honda cub it comes in 50,70 & 90cc , and if im correct the only difference is the cylinders, heads and pistons?
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