Boyesen
Boyesen is a trusted performance brand known for its innovative intake systems, reed technology and engine components engineered for sharper throttle response and improved airflow. Their Rad Valve reed cages, Power Reeds and Super Stock kits unlock reliable power gains for dirt bikes, ATVs and two-stroke machines. Riders trust Boyesen for precision fitment, increased engine efficiency and race-ready durability. Upgrade with Boyesen to achieve cleaner combustion and stronger low- to mid-range performance.
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Boyesen - 616 - Power Reed Set - Husqvarna
Boyesen
$48.95Boyesen - 616 - Power Reed Set - HusqvarnaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$48.95 -
Boyesen - 636 - Power Reed Set - Honda
Boyesen
$48.95Boyesen - 636R - Power Reed Set - HondaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$48.95 -
Boyesen - 678 - Power Reed Set - Husqvarna/KTM
Boyesen
$34.95Boyesen - 678X - Power Reed Set - Husqvarna/KTMFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$34.95 -
Boyesen - CC01AB - Clutch Cover - Black - Honda
Boyesen
$95.95Boyesen - CC01AB - Clutch Cover - Black - HondaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free...$95.95 -
Boyesen - 644 - Power Reed Set - Yamaha
Boyesen
$39.95Boyesen - 644R - Power Reed Set - YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsRiding...$39.95 -
Boyesen - 6101 - Power Reed Set - KTM
Boyesen
$39.95Boyesen - 6101 - Power Reed Set - KTMFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$39.95 -
Boyesen - 6103 - Power Reed Set - Honda
Boyesen
$48.95Boyesen - 6103 - Power Reed Set - HondaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsRiding...$48.95 -
Boyesen - 612 - Power Reed Set - Husqvarna
Boyesen
$59.95Boyesen - 612 - Power Reed Set - HusqvarnaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsModelPower...$59.95 -
Boyesen - FB01 - Super Float Bowl - Suzuki/Yamaha
Boyesen
$89.95Boyesen - FB01 - Super Float Bowl - Suzuki/YamahaFeaturesSpecial curved interior turns fuel in on itself, preventing internal splashing/foamingThe solution to engine bogging: the Boyesen Super...$89.95 -
Boyesen - 6115 - Power Reed Set - Kawasaki
Boyesen
$39.95Boyesen - 6115 - Power Reed Set - KawasakiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$39.95 -
Boyesen - 6109 - Power Reed Set - Honda
Boyesen
$39.95Boyesen - 6109 - Power Reed Set - HondaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsModelPower...$39.95 -
Boyesen - 6112 - Power Reed Set - Yamaha
Boyesen
$39.95Boyesen - 6112 - Power Reed Set - YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsBase...$39.95 -
Boyesen - 6105 - Power Reed Set - Yamaha
Boyesen
$34.95Boyesen - 6105 - Power Reed Set - YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsProduct...$34.95 -
Boyesen - 6102 - Power Reed Set - Yamaha
Boyesen
$39.95Boyesen - 6102 - Power Reed Set - YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$39.95 -
Boyesen - CC02B - Clutch Cover - Black - Honda
Boyesen
$95.95Boyesen - CC02B - Clutch Cover - Black - HondaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free...$95.95 -
Boyesen - RAD-24K - Rad Valve Reed Cage Assembly - Suzuki
Boyesen
$179.95Boyesen - 10080034 - Rad Valve Reed Cage Assembly - SuzukiFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response and...$179.95 -
Boyesen - CC21AB - Clutch Cover - Black - Suzuki
Boyesen
$95.95Boyesen - CC21AB - Clutch Cover - Black - SuzukiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free...$95.95 -
Boyesen - RAD34I - Rad Valve Reed Cage Assembly - Yamaha
Boyesen
$179.95Boyesen - 10080007 - Rad Valve Reed Cage Assembly - YamahaFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response and...$179.95 -
Boyesen - CC-11AB - Clutch Cover - Black - Kawasaki
Boyesen
$95.95Boyesen - CC11AB - Clutch Cover - Black - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...$95.95 -
Boyesen - CC01B - Clutch Cover - Black - Honda
Boyesen
$95.95Boyesen - CC01B - Clutch Cover - Black - HondaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free...$95.95 -
Boyesen - CC32AB - Clutch Cover - Black - Yamaha
Boyesen
$95.95Boyesen - CC32AB - Clutch Cover - Black - YamahaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free...$95.95 -
Boyesen - 638 - Power Reed Set - Kawasaki
Boyesen
$48.95Boyesen - 638R - Power Reed Set - KawasakiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsBase...$48.95 -
Boyesen - CC12B - Clutch Cover - Black - Kawasaki
Boyesen
$95.95Boyesen - CC12B - Clutch Cover - Black - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...$95.95 -
Out of stock
Boyesen - RAD-01J - Rad Valve Reed Cage Assembly - Honda
Boyesen
$179.95Boyesen - 10080111 - Rad Valve Reed Cage Assembly - HondaFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response and more...$179.95 -
Boyesen - CC-02AB - Clutch Cover - Black - Honda
Boyesen
$95.95Boyesen - CC02AB - Clutch Cover - Black - HondaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free...$95.95 -
Boyesen - PSR-192 - Replacement Pro Series Reed Set - RAD11J - Kawasaki
Boyesen
$69.95Boyesen - 10080014 - Replacement Pro Series Reed Set - RAD11J - KawasakiFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$69.95 -
Boyesen - PSR-181 - Replacement Pro Series Reed Set - RAD01H - Honda
Boyesen
$69.95Boyesen - 10080009 - Replacement Pro Series Reed Set - RAD01H - HondaFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$69.95 -
Boyesen - PSR-197 - Replacement Pro Series Reed Set - RAD40 - KTM
Boyesen
$55.95Boyesen - 10080006 - Replacement Pro Series Reed Set - RAD40 - KTMFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$55.95 -
Boyesen - 6120 - Power Reed Petal Set - Kawasaki
Boyesen
$39.95Boyesen - 10080039 - Power Reed Petal Set - KawasakiFeaturesThe top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMsThe stiffer, bottom reed is ported to...$39.95 -
Boyesen - RAD-11K - Rad Valve Reed Cage Assembly - Kawasaki
Boyesen
$179.95Boyesen - 10080030 - Rad Valve Reed Cage Assembly - KawasakiFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response and...$179.95 -
Boyesen - FB02 - Super Float Bowl - Honda/Kawasaki/KTM/Suzuki
Boyesen
$89.95Boyesen - FB02 - Super Float Bowl - Honda/Kawasaki/KTM/SuzukiFeaturesSpecial curved interior turns fuel in on itself, preventing internal splashing/foamingThe solution to engine bogging: the Boyesen...$89.95 -
Boyesen - PRO-218 - Pro Series Reed Set - Yamaha
Boyesen
$62.95Boyesen - 10080102 - Pro Series Reed Set - YamahaFeaturesHigh-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed designOffers the quickest acceleration any reed can...$62.95 -
Boyesen - SSC332 - Super Stock Reed Set - Carbon - Yamaha
Boyesen
$50.95Boyesen - 10080106 - Super Stock Reed Set - Carbon - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsUnitsSetBase ColorBlackRiding StyleOff-RoadMaterialCarbonProduct...$50.95 -
Boyesen - PSR-183 - Replacement Pro Series Reed Set - RAD02G - Honda
Boyesen
$69.95Boyesen - 10080011 - Replacement Pro Series Reed Set - RAD02G - HondaFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$69.95 -
Boyesen - PSR-012 - Replacement Pro Series Reed Set - RAD-12J - Kawasaki
Boyesen
$69.95Boyesen - 10080119 - Replacement Pro Series Reed Set - RAD-12J - KawasakiFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$69.95 -
Boyesen - 6122 - Power Reed Petal Set - Suzuki
Boyesen
$39.95Boyesen - 10080041 - Power Reed Petal Set - SuzukiFeaturesThe top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMsThe stiffer, bottom reed is ported to...$39.95 -
Boyesen - PSR-002 - Replacement Pro Series Reed Set - RAD-02I - Honda
Boyesen
$69.95Boyesen - 10080118 - Replacement Pro Series Reed Set - RAD-02I - HondaFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$69.95 -
Boyesen - 609 - Power Reed Set - Yamaha
Boyesen
$39.95Boyesen - 609 - Power Reed Set - YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsBase...$39.95 -
Boyesen - PSR-205 - Replacement Pro Series Reed Set - RAD11K - Kawasaki
Boyesen
$69.95Boyesen - 10080015 - Replacement Pro Series Reed Set - RAD11K - KawasakiFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$69.95 -
Boyesen - 6130 - Power Reed Petal Set - Yamaha
Boyesen
$39.95Boyesen - 10080096 - Power Reed Petal Set - YamahaFeaturesThe top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMsThe stiffer, bottom reed is ported to...$39.95
Boyesen Intake Systems, Reed Sets & Engine Components – Performance, Throttle Response & Durability
Boyesen is a longtime leader in performance intake and reed technology, designing components that enhance airflow, combustion efficiency and throttle response for motocross, trail and ATV applications. Their engineered solutions support both two-stroke and four-stroke platforms and are built to deliver measurable improvements in power, consistency and overall ride quality. Every Boyesen product is developed with precision fitment in mind, ensuring dependable, model-specific compatibility.
Core products such as the Rad Valve Reed Cage Assembly, Power Reeds and Super Stock reed sets are designed to improve low-end torque, smooth mid-range pull and sharpen throttle control. Boyesen offers tailored reed solutions for major manufacturers including Honda, Yamaha, Suzuki, Kawasaki, KTM, Polaris and Can-Am, helping optimize port timing and combustion efficiency. The brand also produces durable clutch covers, water pump/impeller covers and throttle-enhancing accessories built to withstand high-RPM stress and demanding off-road conditions.
Trusted by riders, tuners and racers worldwide, Boyesen combines proven engineering with durable materials to deliver consistent performance gains and long-term reliability. Whether upgrading a stock intake or building a performance-focused machine, Boyesen components offer smoother power delivery, reduced hesitation and improved engine control. Their commitment to airflow optimization and durability makes Boyesen a top choice for anyone seeking dependable, race-ready power upgrades.