RD250F 1979 Boyesen Dual Stage Reed Valves Carb Choke Parts bottom reed is ported to

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

The picture shows the actual hose that will be supplied

FS1DX 1977-1981 (Please check length as a number of different hoses were fitted according to handlebar heights etc)

so please check that this is the style and finish you require before purchasing as we cannot supply alternative colour fittings

Perfect to replace the now discontinued original

RD250F 1979 Boyesen Dual Stage Reed Valves Carb Choke Parts bottom reed is ported toBoyesen'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