Motocross/Dirt Bike Reed Valve Systems
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Boyesen®RAD Valve Replacement Boot & Clamp Kit (RBK-17)RAD Valve Replacement Boot & Clamp Kit by Boyesen®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Advanced design for exceptional performanceProven to deliver long-lasting service life$17.05 - Boyesen®RAD Valve Replacement Boot & Clamp Kit (RBK-8)RAD Valve Replacement Boot & Clamp Kit by Boyesen®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Advanced design for exceptional performanceProven to deliver long-lasting service life$8.96
- Boyesen®RAD Valve Replacement Boot & Clamp Kit (RBK-5)RAD Valve Replacement Boot & Clamp Kit by Boyesen®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Advanced design for exceptional performanceProven to deliver long-lasting service life$8.96
- Boyesen®RAD Valve Replacement Boot & Clamp Kit (RBK-4)RAD Valve Replacement Boot & Clamp Kit by Boyesen®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Advanced design for exceptional performanceProven to deliver long-lasting service life$17.05
- Boyesen®RAD Valve Replacement Clamps (RV-HC)RAD Valve Replacement Clamps by Boyesen®. Includes 2 band style clamps. Carbon Tech reeds are the easiest, most cost efficient modification you can make. Carbon Tech have seen up to 4 horsepower increases just by using Carbon Tech...Advanced design for exceptional performanceProven to deliver long-lasting service life$11.65
- Boyesen®RAD Valve Replacement Reeds (RL-07)RAD Valve Replacement Reeds by Boyesen®. Replacement Pro Series Reeds for Boyesen RAD Valves. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer...Advanced design for exceptional performanceProven to deliver long-lasting service life$30.22
- Boyesen®RC2 Series RAD Valve (RAD-42E)RC2 Series RAD Valve by Boyesen®. The Rad Valve's seamless, one-piece, precision casting and continuous aero-form surfacing provide maximum flow velocities and instant, explosive movement of air particles the moment you turn the...Boyesen Engineering would like to introduce the all-new RC2 Series Rad Valve, designed to increase overall horsepower and throttle responseEach Boyesen RAD Valve is unique - tailor made to that model, year and displacement$153.80
- Boyesen®RC2 Series RAD Valve (RAD-46)RC2 Series RAD Valve by Boyesen®. Patented, one piece, cast aluminum Reed Block system that delivers guaranteed bolt on performance. Carb boot, Carb boot clamp and gasket provided. No modifications required. An aero-form reed valve that...Boyesen Pro Series RAD Reeds includedAdvanced design for exceptional performance$145.25
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-21)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$37.59
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-20)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$37.59
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-12)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$40.86
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-08)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$40.86
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-18)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$40.86
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-03)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$40.86
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-06)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$30.22
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-02)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$37.59
- Boyesen®Replacement Power Reed Kit for RAD Valve (RL-11)Replacement Power Reed Kit for RAD Valve by Boyesen®. Includes petals, rev-plates and extra screws. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Advanced design for exceptional performanceProven to deliver long-lasting service life$37.59
- Boyesen®Replacement RAD Valve Boot & Clamp Kit (RBK-13)Replacement RAD Valve Boot & Clamp Kit by Boyesen®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Advanced design for exceptional performanceProven to deliver long-lasting service life$17.05
- Boyesen®SuperStock Carbon Reeds (SSF003)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF202)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$35.14
- Boyesen®SuperStock Carbon Reeds (SSF131)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF010)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$20.40
- Boyesen®SuperStock Carbon Reeds (SSF302)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$35.14
- Boyesen®SuperStock Carbon Reeds (SSF021)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF132)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF012)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF102)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF032)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF014)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
- Boyesen®SuperStock Carbon Reeds (SSF011)SuperStock Carbon Reeds by Boyesen®. The original performing replacement carbon reed that last longer and cost less than any aftermarket reed. Matched to O.E.M. specs. Uses the latest in carbon technology for the stock carbon reed.Super-stock single-stage fiber is dual-stage on power reedAdvanced design for exceptional performance$28.58
Motocross and dirt bikes are ultimate off-road performers that can tackle the most rugged of terrains. These motorcycles are true masterpieces of efficiency where each and every component is designed to withstand huge stresses, and the engine provides enough torque for improved responsiveness in tough situations. Motorcycles of this type are equipped with two-stroke engines, whose architecture is less complex than that of four-stroke motors, while the specific power output is superior. Reed valves are among the most essential components in a two-stroke engine as they control the flow of the air-fuel mixture into the crankcase.
Reed valves are simple devices that allow the mixture to flow in just one direction. When the up-stroke creates a vacuum within the crankcase, the petals open and the air-fuel blend flows in, while the down-stroke forces the petals to close preventing the mix from flowing back. Reed petals may crack or may not open all the way or close tight enough resulting in loss of power, hesitation, and erratic idle. You are sure to find the right replacement in our assortment of reed valve systems for motocross and dirt bikes. We carry top-notch products tailored to meet the specific design requirements of your bike. Quality accessories such as clamps, reed kits, gaskets, and valve boots are also available.
