Help:400EX Jetting w/Yoshi and K&N
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I need jetting suggestions for a 2000 400ex with k&n air filter and yoshimura standard complete exhaust with a stock engine. right now i have a #175 main and the clip droped 1 notch on the jet needle (4th notch down) and #50 slow jet and the head pipe will glow red after idleing a few minutes. also bogs with air box lid on full throtle any body out there have the same setup or seen this? thanks.
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