300ex idle issue

3037 Views 3 Replies 3 Participants Last post by shadetree, Jul 28, 2010

dannyboyfrum23

Discussion Starter · Jul 28, 2010

ok so i got this 300ex in on a trade it starts right up but idles really really high i got a carb off my buddys old one cuz the idle screw was broken and it still idles the same speed tryed turning it down and nothing... any ideas?

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shadetree

· #4 · Jul 28, 2010

if that don't solve your problem..check to make sure you don't have any cracks or holes in your intake boot ( carb to cylinder )..this will cause a fast idle also.

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