Chinese/Import Minis - General Discussion
just purchased a little pit bike. 2004 flywing frame (seat says mx) sxm 49cm head but a honda gb4 crankcase. MY QUESTION: CAN I BOLT A BIGGER SIZE HEAD ONTO THE HONDA CRANKCASE? if so what size and make will directly bolt on? maybe a 70, 100, 110, 150cc maybe? thanks in advance for any info