Quickstart for All Keihin FCR-Equipped MX, Off-Road and ATV Models

• The most effective way to add performance to a Keihin FCR carburetor
• Integrated Hot Start Assist eliminates problem 4-stroke hot start procedure
• Tunable leak jet maximizes volume of fuel and duration of fuel spray for all conditions
• 25% more fuel capacity
• High-volume vertical check valve located in the QS3 for precise, consistent fuel metering
• Patented design stops bogging and improves throttle response
• Improved low-end performance
• Investment cast and finished to precise tolerances
• Fits ALL Keihin FCR carbs
• Simple bolt-on installation