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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
yz250 won't idle, runs great
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[QUOTE="Ol'89r, post: 1351023, member: 17212"] You can access your pilot jet from the bottom. Remove the four screws that hold the float bowl and remove the float bowl. Look at the bottom of the carb. There will be a big jet in the middle and a tiny jet down in a hole right next to it. The tiny jet is the pilot jet. Remove all the jets and make sure you can see through them. Remove the air screw and blow air through the orfice. Air should come out the pilot jet hole and the little hole in the throat of the carb. If it doesn't, soak the carb in a good carb cleaner and blow it out. Make sure you use a good quality screwdriver tip that fits the head and it will save your screws from stripping the heads out. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
yz250 won't idle, runs great
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