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Discussion Starter · #1 ·
I have a 04 450r with a newly rebuilt motor. It idles good but when I start cracking into it there is a certain rpm that it wants to cut out and misfire Any ideas?
 

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Sounds like you couls either need to rejet. Mine did the same thing, it wastarving for fuel. Or the CDI could be failing. Those are the things that first come to mind...

Welcome to the site!
 

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Welcome to the forums, I agree but you also might want to check and see if your choke is partially on. I did the one time and my quad did the same thing that you have described.
 

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Yeah they won't open up cause of the little air they are getting.
 

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Welcome to the forums.
 
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