bamm wrote:its a general consensus that the 45 pilot jet is good for the 450r, so i went up to the 45. since then ive put on an 07 450r head and installed the jd jet kit. now i can only open my fuel screw about 3/4 before it starts running poorly, so i went back down to the 42 and im at almost 3 out. i had the zip ty fuel in and took it out and went back to stock thinking maybe the fuel screw was faulty. same with the stock fuel screw. will it hurt anything to run the 45 at 3/4 out? am i maybe missing something?
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