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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Jets for an older WR-250
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[QUOTE="FNG, post: 1327448, member: 89198"] Typically any bike will be close on jetting stock, usually you can go down 2 sizes on a main and 1-2 sizes on a pilot depending on state of tune. How many hours on the top-end? How many on the reeds? Clean the Power valve lately? Have you completely cleaned the carb? Removed the float and needle/seat and thoroughly cleaned the seat? You may have a leaky needle/seat causing a rich condition on the bottom end which will clean out if you hammer it. How about the last time the packing was replaced in the silencer? [/QUOTE]
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Forums
Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Jets for an older WR-250
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