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matts06yzf

Question for a friend...Gray im sure you know.

4 posts in this topic

Any YZ450F carb specialists out there?

Have a situation where the bike occasional has a high idle but it is not an air leak. Buddy of mine says it is probably the rocker arm that controls the slide that is worn. Just looked a the parts diagram of the carb but don't see it listed.

Anyone have a part number please?

Im not sure year yet he hasnt gotten back to me

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I'm assuming you have tried richening the pilot circuit a little. Have you made sure the hotstart is closing all the way?

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Both good suggestions. Also, be sure to look at the valve clearances. Tight intakes can cause this.

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mine does this right now because the re-positioned hot start has a little drag in it. its just to low on my list of fixes. It may do it once a day

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