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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZF250/WR250F Carb-3rd Jet
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[QUOTE="BCooper, post: 118448, member: 19466"] [b]Pilot air jet???? Nope![/b] Hick, This is straight from the manual, chapter7-pg7. "A leak jet is a setting part that adjusts the flow of fuel discharged by the accelerator pump. Since the accelerator pump operates only when throttle is open, the leak jet is used to adjust a fuel mixture ratio for quick throttle opening and is therefore different from other setting parts that adjusts a fuel mixture for each throttle opening(each engine speed)" Hope this helps:) Coop [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZF250/WR250F Carb-3rd Jet
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