RD400C Boyesen Dual Stage Reed Valves Individual Engine Gaskets & O-Rings The Benefits:

The Benefits:

This set of heavy duty clutch springs is 10% stronger than the OEM equivalent and are supplied in packs of 6

These top quality inlet rubber heat shields have been specially manufactured for Yambits

RD350 YPVS LC2 1983-1985

Boyesen's patented dual-stage design incorporates a specially shaped top reed and a ported bottom reed

RD400C Boyesen Dual Stage Reed Valves Individual Engine Gaskets & O-Rings The Benefits:Boyesen'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