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Discussion Starter #1
well im new here so i would like to know what the deal is with my 87 400 polaris. the trouble is that it doesn't have much power untill it hits the 6 grand region. it won't hit 8k either it only hits about 7700 or so. and another probly is it never idles down its all ways at 4000-4500 ps the cluch has a blue spring iin it.the plugs tell me its running alittle on the rich side

thanks for all your help
 

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have you cleaned the carbs??
 

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How long have you had the sled?
Do you know if its ALL stock, ie like the jetting and the weights in the primary?

answer these questions and we can go from there.
 
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