99 yzf 400 carb issue?

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  • glock23me

Posted October 07, 2015 - 03:18 PM


I recently dusted off my old girl and did an complete maintenance on her seeing how she sat for a year. It fires right up second kick but I have to find a sweet spot on the choke to keep it at choke idle. After warming up is where my issue comes in. As long as I have the throttle open just a hair it will stay running. It won't stay at idle and backfires horrible. Bogs like a dog at wot in 5th. Any ideas guys?


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