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Discussion Starter #1
I have a 2008 king quad 4oo, 4wd. It wont run without choke on. As soon as you turn choke off, it dies. While it is running it wont take much throttle. It backfires and sounds rough. Only has 200 miles on it, everything is still new as far as airfilter and so on. Cleaned carb real good, made only a slight diff. Any help would be greatly appreciated. Ps. Ive been riding and working on motorcycles a long time, but im not an expert. Also it started this in 1 day. it was running fine, next day this. Has to be simple, just cant find it. thx again
 

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Discussion Starter #2
Here is an update. Checked fuel level in carb, running and not running. Level is fine. Tried adjusting the idle knob all the way up, no diff. As soon as you turn choke off it dies. Appears to be running a little lean even with choke on, but unable to figure out the problem.
 

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check vent line for tank, it may be pinched, also if you run mud the vent is very short and will pull mud and water back into the tank. Found this out the hard way on my 09 500. Fuel fiter may be plugged not sure if yours is inline or in tank. GL
 
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