lean 88 250r
#1
i just bought an 88 250r that has a FMF pipe, K&N with lid removed, ported and polished and a keihin 39mm. It stutters/sputters when I smash the throttle until you get to about 3rd gear and then she is gone. So i think it is running lean, and the gasket off the manifold to the reed cage was a little wrinkled so I replaced it and it is a little better but not completely better so I think I am going to go up a jet size> good thinkin??
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