Integrated Hot Start Assist eliminates problem 4-Stroke hot start procedure. The patented design stops bogging from trapped air in the system and improves throttle response. Tunable leak jet circuit maximizes volume of fuel and duration of fuel spray for any condition. High-volume vertical check value located in the QS3 for precise, consistent fuel metering.
• Investment cast and finished to precise tolerances
• Improved low-end performance
• Simple bolt-on
• Fits all Keihin FCR carburetors
