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1998 Bayou 300 4x4, runs rough, but guy said it has a new carb.


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Just have a problem of sorts on a 300 with new aftermarket carb. I have narrowed it down to the temp sensor on carburetor making it read the wrong temp , wouldn't idle until warmed up and takes awhile to crank will let you know what I find out in a few days ,have others I have to get to first.

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People fit aftermarket carbs when all that's needed is a careful clean and adjust a lot of the time, or to see if it makes a difference to their badly running bike.. It's better to clean and adjust the original carb in most cases.

The only bit that wears is the slide and the body where it runs. If that bit's badly worn and causing a problem(hardly ever), then buy an aftermarket of the same make and model, then change all the old brass jets except the float needle and seat into the new carb body.

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