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2007 Rancher new carb will idle then a very high rev anybody had this problem?

960 Views 8 Replies 5 Participants Last post by  TRXStudent
I put on a aftermarket carb and didn’t adjust anything normally they work fine. This one upon start will idle for s second then rev up really high for a few seconds then back to idle and keeps repeating. Also the speedometer got some water in it and needs replacing would this make it cause that problem? TIA David
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I think the constant revving means its 'hunting'. Could mean your idle jet is plugged.
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