Anyone ever change the jets on a kfx 400?

 

Have you ever jeted any carb ? The only trouble you might have is with the bowl screws. Before you even try with a srewdriver, break them loose with a small pair of vise grips. If possible put the carb in a vise- wraped in a rag. Some people have changed the bowl screws to allens. I been changing my jets so much I bought an impact screwdriver. What mods are you jetting for.

 

A white brothers e series slip on and a k and n with open air box lid

 

Me and a buddy just put a set of hot cams in his Suzuki 400Z, K&N filter, and a jet kit, but we cant seem to get the jet kit set right. I think its at like 155 now maybe even 160...its been the weekend since we did it but could you be of any help