Created with Sketch. Created with Sketch.


  • Boyesen Power Reeds for Yamaha

    Boyesen Power Reeds Boyesen's patented dual-stage design incorporates a specially shaped top reed and ported bottom reed.  The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPM.  The stiffer,...

    Choose Options
  • Reed Valve Spacers, Yamah RD, RZ.

    REED VALVE SPACER KIT Simple but effective way to shift the torque curve to favor the low to mid-range band of the rev range Insert spacer between cylinder and reed valve CNC-machined, eliminating "interference" problems when installing Kit...

    Add to Cart
  • TDR Hyper Tension Reeds, Yamaha RD

    TDR "HYPER TENSION REEDS" Kits include 2 sets of reeds for both cylinders and installation instructions.   Tony Doukas Racing "HYPER TENSION REEDS "are the hottest reed valves on the market today." " are made of the highest quality material...

    Choose Options
  • V-Force3 Reed Valve, Yamaha RD250, RD350, RD400.

    The V-Force reed valve system by Moto Tassinari has been the reed valve system of choice by anyone serious about two-stroke engine performance for the last 10+ years. The simple premise of the VForce3 reed valve system is to increase engine power and...

    Add to Cart
  • Yamaha RD Reed Valve Assembly 345-13610-20-00

    Yamaha OEM Reed Valve Assembly 345-13610-20-00 Includes reed cage, reed valves, & stop plates Yamaha RD's will require 1 per cylinder. Applications: Yamaha RD350 Yamaha RD250 Yamaha RD400 Yamaha RD350LC YamahaRD250LC    

    Add to Cart