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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
KDX220 won't idle when warm
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[QUOTE="lemmy, post: 1318821, member: 93740"] I tried another method of measuring the float heigh. Using calipers accurate to 0.01mm I made a mark on the jet block exactly 18.00mm blow the base of where the float bowl o-ring contacts. Then I put the float on and put a long piece of fuel line on the fuel inlet of the carb and I was blowing through this line. I hold the carb upright and lower the float as I blow through the fuel line. As soon as air starts coming through I notice where the lowest point of the float is relative to the mark. It was about 1mm above it (I had measured at 17mm before so this is about right). So I bent the tab on the float and now it is about 19mm. This is beyond the maximum specification. But I really don't think that small of a change is going to make that much of a difference. I thought I had read that carbs are made where the fuel is supposed to begin to flow into the bowl when the mold line in the plastic floats is parallel to the edge of the carb body. If it was parallel it would be a float heigh of about 15mm. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
KDX220 won't idle when warm
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