RD350 YPVS F1 Boyesen Dual Stage Reed Valves RZ350NC21985 Top Quality Fuel Tap Repair

Top Quality Fuel Tap Repair Kit which contains all the rubber parts need to overhaul the fuel tap fitted to:

RD400F Daytona USA 979

RD400C 1976

bottom reed is ported to provide maximum flow and horsepower at higher RPMs

RD350 YPVS F2 1986-1991

RD350 YPVS F1 Boyesen Dual Stage Reed Valves RZ350NC21985 Top Quality Fuel Tap RepairBoyesen's patented dual stage design incorporates a specially shaped top reed and a ported bottom reed. The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs. The stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPMs. The Benefits: Quicker acceleration for that all important holeshot Crisper throttle response for fast corner exits and surer jumps More horsepower throughout