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 - PRO-157 - Pro Series Reed Set - Yamaha
Boyesen
$62.95Boyesen - PRO157 - 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 offer;...$62.95 -
Boyesen - PSR12 - Replacement Pro Series Reed Set - RAD01 - Honda
Boyesen
$64.95Boyesen - PRO12 - Replacement Pro Series Reed Set - RAD01 - HondaFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$64.95 -
Boyesen - RAD24B - Rad Valve Reed Cage Assembly - Suzuki
Boyesen
$179.95Boyesen - RAD24B - Rad Valve Reed Cage Assembly - SuzukiFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response and more...$179.95 -
Boyesen - PRO-52 - Pro Series Reed Set - Kawasaki
Boyesen
$62.95Boyesen - PRO52 - Pro Series Reed Set - KawasakiFeaturesHigh-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed designOffers the quickest acceleration any reed can...$62.95 -
Boyesen - PSR116 - Replacement Pro Series Reed Set - RAD-12D - Kawasaki
Boyesen
$64.95Boyesen - PRO116 - Replacement Pro Series Reed Set - RAD-12D - KawasakiFeaturesResponds quickly and accurately to changes in piston speed for smooth, dependable throttle responseOffers the quickest...$64.95 -
Boyesen - PRO-56 - Pro Series Reed - Honda
Boyesen
$69.95Boyesen - PRO56 - Pro Series Reed - HondaFeaturesHigh-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed designOffers the quickest acceleration any reed can offer;...$69.95 -
Boyesen - RAD-42C - Rad Valve Reed Cage Assembly - KTM
Boyesen
$179.95Boyesen - RAD42C - Rad Valve Reed Cage Assembly - KTMFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response and more...$179.95 -
Out of stock
Boyesen - RAD43X - Rad Valve Reed Cage Assembly - KTM
Boyesen
$179.95Boyesen - RAD43X - Rad Valve Reed Cage Assembly - KTMFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response and more...$179.95 -
Boyesen - RAD-01A - Rad Valve Reed Cage Assembly - Honda
Boyesen
$179.95Boyesen - RAD01 - 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 - PRO154 - Pro Series Reed Set - KTM
Boyesen
$62.95Boyesen - PRO154 - Pro Series Reed Set - KTMFeaturesHigh-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed designOffers the quickest acceleration any reed can offer;...$62.95 -
Boyesen - RAD03A - Rad Valve Reed Cage Assembly - Honda
Boyesen
$179.95Boyesen - RAD03A - 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 - RAD01B - Rad Valve Reed Cage Assembly - Honda
Boyesen
$179.95Boyesen - RAD01B - 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 - RAD02D - Rad Valve Reed Cage Assembly - Honda
Boyesen
$179.95Boyesen - RAD02D - 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 - SC23B - Ignition Cover - Black - Suzuki RM250
Boyesen
$87.95Boyesen - SC23B - Ignition Cover - Black - Suzuki RM250FeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the highest...$87.95 -
Boyesen - SSF231 - Super Stock Reed Set - Fiber - Yamaha
Boyesen
$34.95Boyesen - SSF231 - Super Stock Reed Set - Fiber - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsColor/FinishYellowModelSuper StockBase...$34.95 -
Boyesen - SSF222 - Super Stock Reed Set - Fiber - Suzuki
Boyesen
$34.95Boyesen - SSF222 - Super Stock Reed Set - Fiber - SuzukiFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsModelSuper StockUnitsSetMaterialFiberglassColor/FinishYellowRiding...$34.95 -
Boyesen - SSF232 - Super Stock Reed Set - Fiber - Yamaha
Boyesen
$34.95Boyesen - SSF232 - Super Stock Reed Set - Fiber - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsModelSuper StockUnitsSetColor/FinishYellowMaterialFiberglassProduct...$34.95 -
Boyesen - SC03B - Ignition Cover - Black - Honda CR500R
Boyesen
$87.95Boyesen - SC03B - Ignition Cover - Black - Honda CR500RFeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the highest...$87.95 -
Boyesen - SC02B - Ignition Cover - Black - Honda CR250R
Boyesen
$87.95Boyesen - SC02B - Ignition Cover - Black - Honda CR250RFeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the highest...$87.95 -
Boyesen - SSF202 - Super Stock Reed Set - Fiber - Honda
Boyesen
$42.95Boyesen - SSF202 - Super Stock Reed Set - Fiber - HondaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsProduct NameReed PetalRiding StyleOff-RoadBase...$42.95 -
Boyesen - SSF142 - Super Stock Reed Set - Fiber - KTM
Boyesen
$34.95Boyesen - SSF142 - Super Stock Reed Set - Fiber - KTMFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsMaterialFiberglassModelSuper StockRiding StyleStreetUnitsSetRiding...$34.95 -
Boyesen - SSF201 - Super Stock Reed Set - Fiber - Honda
Boyesen
$34.95Boyesen - SSF201 - Super Stock Reed Set - Fiber - HondaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsBase ColorYellowRiding StyleOff-RoadProduct NameReed...$34.95 -
Boyesen - SSF141 - Super Stock Reed Set - Fiber - KTM
Boyesen
$34.95Boyesen - SSF141 - Super Stock Reed Set - Fiber - KTMFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsModelSuper StockUnitsSetProduct NameReed PetalBase...$34.95 -
Boyesen - SSF132 - Super Stock Reed Set - Fiber - Yamaha
Boyesen
$34.95Boyesen - SSF132 - Super Stock Reed Set - Fiber - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsBase ColorYellowRiding StyleOff-RoadProduct NameReed...$34.95 -
Boyesen - SSF131 - Super Stock Reed Set - Fiber - Yamaha
Boyesen
$34.95Boyesen - SSF131 - Super Stock Reed Set - Fiber - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsUnitsSetColor/FinishYellowRiding StyleOff-RoadBase...$34.95 -
Out of stock
Boyesen - SSF031 - Super Stock Reed Set - Fiber - Yamaha
Boyesen
$34.95Boyesen - SSF031 - Super Stock Reed Set - Fiber - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsRiding StyleOff-RoadColor/FinishYellowModelSuper StockBase...$34.95 -
Out of stock
Boyesen - SSF010 - Super Stock Reed Set - Fiber - Kawasaki/Suzuki
Boyesen
$24.95Boyesen - SSF010 - Super Stock Reed Set - Fiber - Kawasaki/SuzukiFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsBase ColorYellowUnitsSetModelSuper StockRiding...$24.95 -
Boyesen - SSF013 - Super Stock Reed Set - Fiber - Kawasaki
Boyesen
$42.95Boyesen - SSF013 - Super Stock Reed Set - Fiber - KawasakiFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsColor/FinishYellowUnitsSetMaterialFiberglassProduct NameReed...$42.95 -
Boyesen - SSF020 - Super Stock Reed Set - Fiber - Suzuki
Boyesen
$24.95Boyesen - SSF020 - Super Stock Reed Set - Fiber - SuzukiFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsMaterialFiberglassProduct NameReed PetalBase ColorYellowModelSuper...$24.95 -
Boyesen - SSF001 - Super Stock Reed Set - Fiber - Husqvarna/Honda
Boyesen
$34.95Boyesen - SSF001 - Super Stock Reed Set - Fiber - Husqvarna/HondaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsColor/FinishYellowBase ColorYellowModelSuper...$34.95 -
Out of stock
Boyesen - SSC241 - Super Stock Reed Set - Carbon - KTM
Boyesen
$50.95Boyesen - SSC241 - Super Stock Reed Set - Carbon - KTMFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsUnitsSetColor/FinishBlackRiding StyleStreetModelSuper StockRiding...$50.95 -
Boyesen - SSC302 - Super Stock Reed Set - Carbon - Honda
Boyesen
$61.95Boyesen - SSC302 - Super Stock Reed Set - Carbon - HondaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsColor/FinishBlackBase ColorBlackMaterialCarbonProduct NameReed...$61.95 -
Boyesen - SSC232 - Super Stock Reed Set - Carbon - Yamaha
Boyesen
$50.95Boyesen - SSC232 - Super Stock Reed Set - Carbon - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsBase ColorBlackMaterialCarbonModelSuper StockUnitsSetProduct NameReed...$50.95 -
Boyesen - SSC231 - Super Stock Reed Set - Carbon - Yamaha
Boyesen
$50.95Boyesen - SSC231 - Super Stock Reed Set - Carbon - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsUnitsSetMaterialCarbonModelSuper StockRiding StyleOff-RoadBase...$50.95 -
Boyesen - SSC142 - Super Stock Reed Set - Carbon - KTM
Boyesen
$50.95Boyesen - SSC142 - Super Stock Reed Set - Carbon - KTMFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsMaterialCarbonModelSuper StockRiding StyleOff-RoadRiding...$50.95 -
Boyesen - SSC141 - Super Stock Reed Set - Carbon - KTM
Boyesen
$50.95Boyesen - SSC141 - Super Stock Reed Set - Carbon - KTMFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsBase ColorBlackColor/FinishBlackMaterialCarbonProduct NameReed...$50.95 -
Out of stock
Boyesen - SSC110 - Single-Stage Reed - Carbon - Kawasaki/Suzuki
Boyesen
$39.95Boyesen - SSC110 - Single-Stage Reed - Carbon - Kawasaki/SuzukiFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsUnitsSetMaterialCarbonProduct NameReed PetalRiding...$39.95 -
Boyesen - SSC131 - Super Stock Reed Set - Carbon - Yamaha
Boyesen
$50.95Boyesen - SSC131 - Super Stock Reed Set - Carbon - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsColor/FinishBlackModelSuper StockUnitsSetBase...$50.95 -
Boyesen - SSC101 - Super Stock Reed Set - Carbon - Honda
Boyesen
$50.95Boyesen - SSC101 - Super Stock Reed Set - Carbon - HondaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsUnitsSetColor/FinishBlackModelSuper StockRiding StyleOff-RoadBase...$50.95 -
Boyesen - SSC041 - Super Stock Reed Set - Carbon - KTM
Boyesen
$50.95Boyesen - SSC041 - Super Stock Reed Set - Carbon - KTMFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsUnitsSetModelSuper StockProduct NameReed PetalRiding...$50.95
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.