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 - 625 - Power Reed Set - Honda
Boyesen
$48.95Boyesen - 625 - 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 - 624 - Power Reed Set - Yamaha
Boyesen
$48.95Boyesen - 624 - Power Reed Set - YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$48.95 -
Out of stock
Boyesen - 621 - Power Reed Set - Kawasaki
Boyesen
$48.95Boyesen - 621 - Power Reed Set - KawasakiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$48.95 -
Boyesen - 618 - Power Reed Set - Can-Am/KTM
Boyesen
$48.95Boyesen - 618 - Power Reed Set - Can-Am/KTMFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsRiding...$48.95 -
Boyesen - 617 - Power Reed Set - KTM
Boyesen
$39.95Boyesen - 617 - Power Reed Set - KTMFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsRiding...$39.95 -
Boyesen - 615 - Power Reed Set - Cagiva/Husqvarna/Kawasaki/Suzuki
Boyesen
$48.95Boyesen - 615 - Power Reed Set - Cagiva/Husqvarna/Kawasaki/SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$48.95 -
Out of stock
Boyesen - 614 - Power Reed Set - Suzuki
Boyesen
$28.95Boyesen - 614 - Power Reed Set - SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsBase...$28.95 -
Out of stock
Boyesen - 611 - Power Reed Set - Suzuki
Boyesen
$28.95Boyesen - 611 - Power Reed Set - SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsRiding...$28.95 -
Boyesen - 610 - Power Reed Set - Suzuki
Boyesen
$22.95Boyesen - 610 - Power Reed Set - SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$22.95 -
Boyesen - 607 - Power Reed Set - Honda/Kawasaki/Polaris/Suzuki
Boyesen
$39.95Boyesen - 607 - Power Reed Set - Honda/Kawasaki/Polaris/SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$39.95 -
Out of stock
Boyesen - 606 - Power Reed Set - Honda/Suzuki/Yamaha
Boyesen
$39.95Boyesen - 606 - Power Reed Set - Honda/Suzuki/YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$39.95 -
Out of stock
Boyesen - 605 - Power Reed Set - Honda/Kawasaki/Yamaha
Boyesen
$34.95Boyesen - 605 - Power Reed Set - Honda/Kawasaki/YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$34.95 -
Boyesen - 604 - Power Reed Set - Yamaha
Boyesen
$39.95Boyesen - 604 - 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 - 603 - Power Reed Set - Honda/Suzuki/Yamaha
Boyesen
$34.95Boyesen - 603 - Power Reed Set - Honda/Suzuki/YamahaFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top...$34.95 -
Boyesen - 602 - Power Reed Set - KTM/Suzuki
Boyesen
$22.95Boyesen - 602 - Power Reed Set - KTM/SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsRiding...$22.95 -
Out of stock
Boyesen - 601 - Power Reed Set - Suzuki
Boyesen
$28.95Boyesen - 601 - Power Reed Set - SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsRiding...$28.95 -
Out of stock
Boyesen - 600 - Power Reed Set - Suzuki
Boyesen
$22.95Boyesen - 600 - Power Reed Set - SuzukiFeaturesThey permit greater flow velocity over the entire range of operating pressuresIncreased performance from start-up to top accelerationSpecsProduct...$22.95 -
Out of stock
Boyesen - 10500228 - Quickstart Accelerator Pump Cover - Keihin FCR Carburetor
Boyesen
$189.95Boyesen - 10500228 - Quickstart Accelerator Pump Cover - Keihin FCR CarburetorFeaturesTunable leak jet maximizes volume of fuel and duration of fuel spray for all conditionsIntegrated Hot Start...$189.95 -
Out of stock
Boyesen - 10500225 - Quickshot 3 Acceleration Pump Cover - Honda/Kawasaki/KTM/Suzuki/Yamaha - Fits 2006-2009 Honda TRX450R, 2008-2010 KTM 450/525 XC, 2004-2009 Yamaha YFZ450
Boyesen
$119.95Boyesen - 10500225 - Quickshot 3 Acceleration Pump Cover - Honda/Kawasaki/KTM/Suzuki/YamahaFeaturesTunable leak jet maximizes volume of fuel and duration of squirt for all conditionsInvestment cast...$119.95 -
Out of stock
Boyesen - 10500188 - Power Wing Fuel Atomizer - Fits Honda 2006-2009 CRF250R, 2002-2006 CRF450R, 2005-2014 CRF450X
Boyesen
$129.95Boyesen - 10500188 - Power Wing Fuel Atomizer - HondaFeaturesAerodynamic design maximizes velocity generation and power gainPrecision fit ensures perfect alignment and easy installationIncreases...$129.95 -
Boyesen - 10500154 - Quickshot 2 Accelerator Pump Cover - Fits 2006-2009 Honda TRX450R, 2008-2010 KTM 450/525 XC, 2008-2010 Polaris Outlaw 450 MXR, 2007-2011 Polaris Outlaw 525, 2004-2009 Yamaha YFZ450
Boyesen
$95.95Boyesen - 10500154 - Quickshot 2 Accelerator Pump CoverFeaturesAdditional benefits are reduced hot engine stalling and improved low end performanceBolt-on product for all Keihin FCR carburetors that...$95.95 -
Boyesen - 10080092 - Power Reed Petal Set - Polaris/Eton/Kasea
Boyesen
$28.95Boyesen - 10080092 - Power Reed Petal Set - Polaris/Eton/KaseaFeaturesThe top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMsThe stiffer, bottom reed is...$28.95 -
Boyesen - 10080044 - Power Reed Petal Set - Kawasaki/Suzuki
Boyesen
$22.95Boyesen - 10080044 - Power Reed Petal Set - Kawasaki/SuzukiFeaturesThe top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMsThe stiffer, bottom reed is...$22.95 -
Out of stock
Boyesen - 10080003 - Rad Valve Reed Cage Assembly - Kawasaki/Suzuki - Fits 2000-2025 Kawasaki KX65, 2003-2005 Suzuki RM65
Boyesen
$159.95Boyesen - 10080003 - Rad Valve Reed Cage Assembly - Kawasaki/SuzukiFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle...$159.95 -
Boyesen - 09401084 - Impeller/Waterpump Cover - Black - Suzuki
Boyesen
$219.95Boyesen - 09401084 - Impeller/Waterpump Cover - Black - SuzukiFeaturesThis high-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm...$219.95 -
Out of stock
Boyesen - 09400561 - Impeller/Waterpump Cover - Black - Honda
Boyesen
$194.95Boyesen - 09400561 - Impeller/Waterpump Cover - Black - HondaFeaturesThis high-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm...$194.95 -
Out of stock
Boyesen - 09400551 - Clutch Cover - Magnesium - Fits Yamaha 2009-2025 YFZ450R, 2010-2011 YFZ450X, 2004-2009 YFZ450
Boyesen
$95.95Boyesen - 09400551 - Clutch Cover - Magnesium - YamahaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...$95.95 -
Out of stock
Boyesen - 09400550 - Clutch Cover - Black - Fits Yamaha 2009-2025 YFZ450R, 2010-2011 YFZ450X, 2004-2009 YFZ450
Boyesen
$95.95Boyesen - 09400550 - Clutch Cover - Black - YamahaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...$95.95 -
Boyesen - 09400414 - Impeller/Waterpump Cover - Magnesium - Fits Yamaha 2011-Up YAMAHA, 2003-2015 WR450F, 2003-2009 YZ450F
Boyesen
$194.95Boyesen - 09400414 - Impeller/Waterpump Cover - Magnesium - YamahaFeaturesThis high-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all...$194.95 -
Out of stock
Boyesen - 09400413 - Impeller/Waterpump Cover - Black - Fits Yamaha 2003-2015 WR450F, 2003-2009 YZ450F
Boyesen
$194.95Boyesen - 09400413 - Impeller/Waterpump Cover - Black - YamahaFeaturesThis high-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm...$194.95 -
Boyesen - 09400226 - Clutch Cover - Magnesium - Fits Honda 2004-2014 TRX450R Sportrax, 2002-2008 CRF450R
Boyesen
$95.95Boyesen - 09400226 - Clutch Cover - Magnesium - HondaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...$95.95 -
Out of stock
Boyesen - 09400225 - Clutch Cover - Black - Fits Honda 2004-2014 TRX450R Sportrax, 2002-2008 CRF450R
Boyesen
$95.95Boyesen - 09400225 - Clutch Cover - Black - HondaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...$95.95 -
Out of stock
Boyesen - 09320166 - Impeller/Waterpump Cover - Black - Fits Can-Am 2006-2018 Outlander 500/570/800/850/1000, 2008-2015 Renegade 500/800/1000, 2016-2018 Renegade 570/850/1000R, 2011-2018 Commander 800/1000, 2013-2019 Maverick 1000
Boyesen
$194.95Boyesen - 09320166 - Impeller/Waterpump Cover - Black - Can-AmFeaturesThis high-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm...$194.95 -
Out of stock
Boyesen - 06300353 - Scott Hurricane Replacement Grips - Shokout
Boyesen
$11.50Boyesen - 06300353 - Scott Hurricane Replacement Grips - ShokoutFeaturesScott Hurricane replacement gripsSpecsFor Handlebar Diameter Imperial7/8''Product NameGripsStyleFlangeStyleUniversalBase...$11.50
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.