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accelator pump adjustment

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how big of a difference does a correctly adjusted a/c pump screw make ?my husky 610 dosen't run bad,but right off idle it feels weak.It's got stock gearing,and its a sm 610 so it gets pure traction on the street ,no wheelspin that a dirt bike would get.once it gets moving,its fast.

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How big? That depends on how far off it is? Motors that big can stand a large squirt initially. Set the start of the squirt per spec (2.5 to 2.7mm gap) add a heavy Oring to the linkage. Or if you get frustrated ship me the carb and I can set it up my way, gaurnteed to have a stronger throttle responce!

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