Description
Restore crisp throttle response and eliminate bogging with the All Balls Racing® Accelerator Pump Rebuild Kit. This kit contains the critical components needed to service the accelerator pump circuit found on the Keihin FCR carburetors used by Yamaha WR250F and YZ250F models from 2001–2013.
- Kit includes all necessary parts to rebuild the accelerator pump circuit
- Includes o-rings, diaphragm, spring, and screws
- Improperly functioning accelerator pumps can cause poor performance and hesitation on acceleration
- Built with high-grade materials to meet demanding off-road conditions
Engineered under stringent quality control, All Balls Racing® components are designed for durability and reliable performance in high-speed, high-load riding environments.
Fitment: Yamaha WR250F 2001–2013; Yamaha YZ250F 2001–2013.









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