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Canadian Daves JustKDX
Kdx220 Jetting Problem
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[QUOTE="KylePeterson, post: 1443114, member: 128923"] I have a 1997 kdx220 that just received a new wiseco piston, rings, gaskets, crank bearings, crank seals, and a good carburetor cleaning. the cylinder is round, and true within .002" everywhere. boyson reeds FMF gnarly FMF Rev arrestor 142 main 40 idler 3rd clip on the needle float height exactly 16mm fresh 32:1 mix in the tank 150psi compression test no leaks from crankcase no transmission fluid loss no leaks around intake boot or air box symptoms: air screw does nothing, with 35/38/40/42 idler and the idle screw similarly does not effect the bike, with any of those jets installed idle is low, slow, and inconsistent choke kills the engine if idling moving the needle clip from second from bottom to second from top changes the bikes running, but only worse than third clip position off idle (first 1/8 throttle) produces a pitiful lag/bog/hesitation, that is lessoned with the 40 pilot, but worsened with the others. deceleration means burbling and coughing. ice even changed arrestors from the woods to the Rev, no difference at all. radiators are full, not leaking, and burped at the head and the left burper. well, what do you think? [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Kdx220 Jetting Problem
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