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Is it possible my valves need to be loose

708 Views 5 Replies 4 Participants Last post by  Bubba3000, 
Bubba3000
I've got a 03 300EX and every since I adjusted the valves, it sputters and dies at WOT. Ive since cleaned the carb at least 3x trying to get it right and it hasn't made a difference. Im thinking about just setting the valve out of spec again. Any advise?
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K
Bubba3000 said:
Is it ever necessary to change jet size or anything else after adjusting valves?
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Not on a stock machine. How long have you owned this machine? I ask this to see what you might know of its history.
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