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TDR Hyper Tension Reeds - Yamaha RZ350. By Tony Doukas Racing. The tuner and racer's choice in reed technology. Custom design by TDR to give maximum performance, flow and long life, excellent high rev performance. Highest quality fiber reeds available, each kit contains 2 sets, enough to do 1 bike. Stage 1 – Stock or slightly modified engines. These double petal reeds are .020″ thick and offer excellent throttle response and added performance. Stage 2 - For highly modified engines or racing applications. These Single petal reeds are .020″ thick and offer excellent throttle response and added performance. Much stiffer than our stage 1 reeds. Stage 2 pictured. -
Boyesen Power Reeds - Yamaha RZ350/250, RD250/350 YPVS, LC400,RZ400. 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, bottom reed is ported to provide maximum flow and horsepower at higher RPM. More Airflow, More Air Velocity, More overall Power. Includes 2 sets of reeds. -
Cabon Tech Reeds - Yamaha RZ350. Carbon Fiber reeds by Carbon Tech. The latest in high tech reed technology. Available in low tension for stock to slightly modified engines and high tension for highly modifed race engines. We recommend LT type for most street RZ's with stock exhaust and street pipes with modified intake. HT type for high output / high revving racing applications. Note: Order 1 set for 1 motor, this is enough to do both cylinders. -
RZ350 VForce 4 Reed Valve Assembly (pair). Sold in pairs, includes reed cages, carbon fiber reeds and gaskets. Assembled and ready to install.- All new design
- All new reed petal resin system, carbon fiber and lay-up
- Pre-curved reed petal ensures better seal at the tip
- Wider cage for maximum flow
- Combined reed tip area is increased by 10.5% for better air flow
- Airfoil shape added to cage tip to increase velocity from the outer ports
- Long reed stops added to progressively slow reed petal tip velocity for increased petal durability
- Reduced frontal area of the central wing combined with a more aerodynamic shape
- Replacement reeds sold one set per reed cage
- Fits Yamaha RZ350 and Yamaha Banshee
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Yamaha RZ350/Banshee Reed Block Spacers Billet, Plain (pair). Machined from billet aluminum. These spacers are mm thick. Kit includes 2 spacers, 4 gaskets and 8 bolts. Why Reed Spacers? Basically, reed spacers allow you to move your power band around depending on placement. The most common installation for street use is to mount them between the reed block cage and the engine. This will effectively increase crankcase volume and move your power band to a lower rev range, allowing you to make better use of the power available for street riding. The second type of installation is to mount them between the manifold and the reed block cage, increasing the intake tract. This will move the manifold back further and raise the power band for better midrange and top end. Individual results will vary from bike to bike depending on intake set up, air filters, jetting, porting, exhaust, etc. Click add to cart and choose model.
