QuadBoss 04-09 Yamaha YFZ450 Accelerator Pump Kit

Improperly functioning accelerator pumps can cause poor performance and bogging during acceleration. The Accelerator Pump Kit from QuadBoss® includes all O-rings, diaphragm, spring and screws necessary to rebuild one accelerator pump circuit.

• Includes diaphragm, spring, O-rings and related small parts needed to rebuild the accelerator pump circuit (components may vary by application).
• Direct-fit replacement engineered for specific Polaris and Honda TRX ATV models for reliable performance and easy installation
• Restores proper accelerator pump function for crisp throttle response and reduced bogging on acceleration