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1989 yamaha warrior 350 sputtering problem

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ok, I tried everything I can think off. I was out riding yesterday and it died down like it ran out of gas. I bought it a couple weeks ago had a brand new carb put on. the E brake is already eliminated. when I rev it up it just sits there and sputters. if I pull the choke out just a little will rev up a little more. I pulled the carb off cleaned all the jets with carb cleaner used a allen key too go down into the jets just to make sure. made sure the flow of gas was good. made sure the gas line was good. and when I fire it up starts right up idles fine but full throttle just sputters. you can ease into the gas and it will rev up just a little and continues to sputter. I'm stumped. it is completely stock bike. there is nothing you can see I'm the carb that could be a possibly problem. thing looks brand new inside and out. I did everything that the forums said online. with similar problems. the old owner did say he never jetted the new carb. but I don't know much about that.




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SoUnds like a carb adjustment problem. So when you give it choke it stays running?

Edited by quadmaniac

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