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Hey,I've put a stock flywheelback on my bike ( ifyouve read previous threads of mine.) to see if it was the lightened flywheel effing it up, but it's still not right.. Just cuts out at random times, mostly mid range to wot but it's not a dirty carb or main jet, pulled all that apart and it's...

Hi lm wanting to know if l only buy a rubber adapter for the existing manifold. (mikuni 22 w/air box) to connect a new PE.28 , or do l get a new manifold. ? Also has any one modified the air box to suit the carby