Question about 2006 Yamaha V Star Custom

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2003 V Star 650. Had fule pumping out of air cleaner box

2003 V Star 650. Had fuel pumpning out of air cleaner box and fuel pump not shutting off. I took this to mean stuck floats as the bike had sat for some time without sta-bil. Pulled carbs and cleand needle and seats, did not pull jets and clean them. Reassembled and now the bike seems starved for fuel at anything past 1/4 throttle. I mean when sitting still and after a warm up, when you try to add more throttle the bike wants to die. Idle and anything below 1/4 throttle is fine. I did not remove and clean the other jets because I did not want to have to re-synch carbs. At the same time, fuel filter and plugs were replaced, also added carb cleaner and a couple ounces of Sea-Foam to fresh premium fuel. The bike does live in Oregon where we have 10% ethanol mandatory in our fuel. Finally my question...
What did I do wrong and do I have to resynch these carbs if I pull and clean the other jets?
The needle and seat cleaning did stop the pooring fuel problem.
Thanks
Shawn

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You shouldnt have to resync the carbs as long as you dont touch the mixture screws or the screws for the throttle blades. you wont have to pull the jets completly out to clean them just spray the heck out of all the orifaces with carb cleaner once you have them pulled apart. Also whe you put it back together make shure the carb seal to the engine and airbox are tight with no leaks, this will make it run bad also

Posted on Jun 22, 2009

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