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Canadian Daves JustKDX
KDX 250 known for lack of top end ?
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[QUOTE="dirt bike dave, post: 1410171, member: 18302"] Not typical of the non-SR model, and certainly not typical of one that is jetted right. The fact that it is worst in first gear points to overly rich jetting. Basically, when the motor is under heavier load in the higher gears, it needs more fuel and it sounds like the jetting is closer. If the SR is anything like the non-SR, you really can't get the bike to run properly without addressing the jetting. Kawasaki really missed the boat. On my old '91 non-SR, the powervalves always functioned properly, BUT when fully opened the bottom of the opened powervalve was still at least 2mm above the exhaust port. I used a dremel to take the excess material away from the bottom of the power valve and gained some top end power. But if you are not willing to jet the bike first, I'd leave the dremel alone, lol. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
KDX 250 known for lack of top end ?
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