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i want to know if i can swap in a 929, 954, or 1000 motor into a f4/f4i frame and help if this has been done or if it can even be done any help would be very greatful thanks
It is possible, I remember seeing an F4i with a 1000rr engine shoehorned into the frame I believe, (correct me if i'm wrong anyone on this one). Its a cool concept but it may change the way the bike handles etc etc.