Boysen QuickStart Adjustable Accelerator Pump Cover

• Available for all Keihin FCR equipped MX, Off-Road and ATV models
• The patented performance of Boyesen's QuickShot system is now available with an adjustable leak jet and hot start assist integration
• Cast and finished to precise tolerances
• A serious step towards achieving EFI levels of performance
• The most effective way to add performance to your Keihin FCR carburetor
• Patented design stops bogging from trapped air in system and improves throttle response
• Integrated hot start assist eliminates problems for 4-stroke hot start procedure
• Tunable leak jet maximizes volume of fuel and duration of fuel spray for all conditions
• Provides 25% more fuel capacity
• High volume vertical check valve located in the QS3 for precise, consistent fuel metering
• Improved low end performance
• Fits all Keihin FCR carburetors
• Simple bolt on installation for any current kick start model

Note: Older models with carburetor mounted hot start knobs and electric start models will require a separate O.E.M or after market handlebar mounted hot start lever.