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Dirt Bike Brands - Other
Can't Resist "what Is The Gray Wire"
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[QUOTE="JasonJ, post: 138963, member: 23758"] What we dont know for sure: Why Yamaha put the gray wire on U.S. only WR bikes. The genral thought is that it was to meet sound test. With the throttle stop stock the gray wire retards timeing at what would be close to full throttle. What we DO know for sure: The mod has not hurt andy CDI boxes. Non U.S. bikes have the gray wire but it is not connected. Maybe reason for diffrent non US needle in carb. The mod most improved 01 WR 250F and 01 WR 426F, 00 and 99 WR 400s did not notice a huge differance, but did notice it. It is a FREE mod and you should do it and be happy and not ponder why it was there in the first place. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Can't Resist "what Is The Gray Wire"
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