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Can anyone tell me what the factory settings are for the air crew and idle screw on a 98 polaris xc 700? It has the 39 mm keihin carbs on it.
 

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The air screw setting for stock setup was 1 turn out, as for the idle it can vary, stock idle setting should be 1600 with a plus-minus of 200, the air screws can be turned in or out in to fine tune throttle response, no two sleds are the same so a setting that works on sled A might not get the same results on sled B
 
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