Yamaha YFZ450 Accel Pump Rebuild Kit - All Balls Racing - 2004-2009. A complete kit to service the accelerator pump and bring your YFZ450 carb back to proper function.

Designed for 2004-2009 Yamaha YFZ450 models, this kit includes the correct diaphragm, O-rings, and hardware to rebuild the accelerator pump. Replacing aged seals and the diaphragm helps bring back crisp off-idle response and consistent fueling, addressing hesitation that develops as components wear. Parts work with the stock carb for a straightforward rebuild.

Features

• Application: Yamaha YFZ450 carburetors (2004-2009)
• Includes diaphragm, O-rings, and required hardware
• Helps restore throttle response and reduce hesitation
• All Balls Racing kit for proven fit and function

Questions on fit or install? Call 512-982-9393 (TX) or 562-981-6800 (CA). Installation and customization available at our Austin, Texas and Los Angeles, California area locations.

Ordering multiple items? Contact us to discuss possible shipping discounts. We install on premises at both locations.

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