BOYESEN BOYESEN QUICKSHOT ACCELERATOR PUMP COVER

Integrated Hot Start Assist eliminates problem 4-stroke hot start procedureTunable leak jet circuit maximizes volume of fuel and duration of fuel spray for any conditionPatented design stops bogging from trapped air in the system and improves throttle responseImproved low end performanceInvestment cast and finished to precise tolerancesHigh volume vertical check value located in the QS3 for precise, consistent fuel meteringSimple bolt-on installationFits all Keihin FCR carburetors.