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Boyesen

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 - SSF301 - Super Stock Reed Set - Fiber - Honda Boyesen - SSF301 - Super Stock Reed Set - Fiber - Honda

    Boyesen - SSF301 - Super Stock Reed Set - Fiber - Honda

    Boyesen

    $34.95
    Boyesen - 10080107 - Super Stock Reed Set - Fiber - HondaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsColor/FinishYellowProduct NameReed PetalBase...
    $34.95
    Qty in Cart: 0
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    $34.95
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  • Out of stock
    Boyesen - 6123 - Power Reed Petal Set - Suzuki Boyesen - 6123 - Power Reed Petal Set - Suzuki

    Boyesen - 6123 - Power Reed Petal Set - Suzuki

    Boyesen

    $39.95
    Boyesen - 10080042 - 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
    Qty in Cart: 0
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    $39.95
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  • Boyesen - PRO-198 - Pro Series Reed Set - Honda Boyesen - PRO-198 - Pro Series Reed Set - Honda

    Boyesen - PRO-198 - Pro Series Reed Set - Honda

    Boyesen

    $62.95
    Boyesen - 10080045 - Pro Series Reed Set - HondaFeaturesHigh-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed designOffers the quickest acceleration any reed can...
    $62.95
    Qty in Cart: 0
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    $62.95
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  • Out of stock
    Boyesen - SC-30M - Ignition Cover - Magnesium - Yamaha Boyesen - SC-30M - Ignition Cover - Magnesium - Yamaha

    Boyesen - SC-30M - Ignition Cover - Magnesium - Yamaha

    Boyesen

    $87.95
    Boyesen - 09401108 - Ignition Cover - Magnesium - YamahaFeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the highest...
    $87.95
    Qty in Cart: 0
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    $87.95
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  • Boyesen - CC-10B - Clutch Cover - Black - Kawasaki/Suzuki Boyesen - CC-10B - Clutch Cover - Black - Kawasaki/Suzuki

    Boyesen - CC-10B - Clutch Cover - Black - Kawasaki/Suzuki

    Boyesen

    $179.95
    Boyesen - 09401113 - Clutch Cover - Black - Kawasaki/SuzukiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a...
    $179.95
    Qty in Cart: 0
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    $179.95
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  • Boyesen - CC-10M - Clutch Cover - Magnesium - Kawasaki/Suzuki Boyesen - CC-10M - Clutch Cover - Magnesium - Kawasaki/Suzuki

    Boyesen - CC-10M - Clutch Cover - Magnesium - Kawasaki/Suzuki

    Boyesen

    $179.95
    Boyesen - 09401114 - Clutch Cover - Magnesium - Kawasaki/SuzukiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a...
    $179.95
    Qty in Cart: 0
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    $179.95
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  • Boyesen - SC-30B - Ignition Cover - Black - Yamaha Boyesen - SC-30B - Ignition Cover - Black - Yamaha

    Boyesen - SC-30B - Ignition Cover - Black - Yamaha

    Boyesen

    $87.95
    Boyesen - 09401107 - Ignition Cover - Black - YamahaFeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the highest...
    $87.95
    Qty in Cart: 0
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    $87.95
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  • Out of stock
    Boyesen - CC-06AB - Clutch Cover - Black - Honda Boyesen - CC-06AB - Clutch Cover - Black - Honda

    Boyesen - CC-06AB - Clutch Cover - Black - Honda

    Boyesen

    $95.95
    Boyesen - 09401110 - Clutch Cover - Black - HondaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Out of stock
    Boyesen - SC10AB - Ignition Cover - Black - Kawasaki/Suzuki Boyesen - SC10AB - Ignition Cover - Black - Kawasaki/Suzuki

    Boyesen - SC10AB - Ignition Cover - Black - Kawasaki/Suzuki

    Boyesen

    $87.95
    Boyesen - 09401105 - Ignition Cover - Black - Kawasaki/SuzukiFeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the...
    $87.95
    Qty in Cart: 0
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    $87.95
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  • Boyesen - CC-17AB - Clutch Cover - Black - Kawasaki Boyesen - CC-17AB - Clutch Cover - Black - Kawasaki

    Boyesen - CC-17AB - Clutch Cover - Black - Kawasaki

    Boyesen

    $95.95
    Boyesen - 09401116 - Clutch Cover - Black - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Out of stock
    Boyesen - CC-18M - Clutch Cover - Magnesium - Kawasaki Boyesen - CC-18M - Clutch Cover - Magnesium - Kawasaki

    Boyesen - CC-18M - Clutch Cover - Magnesium - Kawasaki

    Boyesen

    $95.95
    Boyesen - 09401120 - Clutch Cover - Magnesium - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Out of stock
    Boyesen - CC-18B - Clutch Cover - Black - Kawasaki Boyesen - CC-18B - Clutch Cover - Black - Kawasaki

    Boyesen - CC-18B - Clutch Cover - Black - Kawasaki

    Boyesen

    $95.95
    Boyesen - 09401119 - Clutch Cover - Black - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Out of stock
    Boyesen - HST-002 - Hot Start Trigger - Brembo Boyesen - HST-002 - Hot Start Trigger - Brembo

    Boyesen - HST-002 - Hot Start Trigger - Brembo

    Boyesen

    $29.95
    Boyesen - 06120300 - Hot Start Trigger - BremboFeaturesReconfigured and resized to reduce accidental engagements on your 4-stroke vehicleReplaces plastic lever with cast aluminum, along with a new...
    $29.95
    Qty in Cart: 0
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    $29.95
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  • Boyesen - SC-10DM - Ignition Cover - Magnesium - Kawasaki KX 65 Boyesen - SC-10DM - Ignition Cover - Magnesium - Kawasaki KX 65

    Boyesen - SC-10DM - Ignition Cover - Magnesium - Kawasaki KX 65

    Boyesen

    $87.95
    Boyesen - 09401104 - Ignition Cover - Magnesium - Kawasaki KX 65FeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the...
    $87.95
    Qty in Cart: 0
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    $87.95
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  • Boyesen - CC-30B - Clutch Cover - Black - Yamaha Boyesen - CC-30B - Clutch Cover - Black - Yamaha

    Boyesen - CC-30B - Clutch Cover - Black - Yamaha

    Boyesen

    $95.95
    Boyesen - 09401124 - Clutch Cover - Black - YamahaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Boyesen - CC-30M - Clutch Cover - Magnesium - Yamaha Boyesen - CC-30M - Clutch Cover - Magnesium - Yamaha

    Boyesen - CC-30M - Clutch Cover - Magnesium - Yamaha

    Boyesen

    $95.95
    Boyesen - 09401125 - Clutch Cover - Magnesium - YamahaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Boyesen - CC-17AM - Clutch Cover - Magnesium - Kawasaki Boyesen - CC-17AM - Clutch Cover - Magnesium - Kawasaki

    Boyesen - CC-17AM - Clutch Cover - Magnesium - Kawasaki

    Boyesen

    $95.95
    Boyesen - 09401117 - Clutch Cover - Magnesium - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Boyesen - SC-10DB - Ignition Cover - Black - Kawasaki KX 65 Boyesen - SC-10DB - Ignition Cover - Black - Kawasaki KX 65

    Boyesen - SC-10DB - Ignition Cover - Black - Kawasaki KX 65

    Boyesen

    $87.95
    Boyesen - 09401103 - Ignition Cover - Black - Kawasaki KX 65FeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the...
    $87.95
    Qty in Cart: 0
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    Price:
    $87.95
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  • Boyesen - CC-26AM - Clutch Cover - Magnesium - Suzuki Boyesen - CC-26AM - Clutch Cover - Magnesium - Suzuki

    Boyesen - CC-26AM - Clutch Cover - Magnesium - Suzuki

    Boyesen

    $95.95
    Boyesen - 09401123 - Clutch Cover - Magnesium - SuzukiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    $95.95
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  • Boyesen - APC-3K - Quickshot 3 Acceleration Pump Cover - KTM Boyesen - APC-3K - Quickshot 3 Acceleration Pump Cover - KTM

    Boyesen - APC-3K - Quickshot 3 Acceleration Pump Cover - KTM

    Boyesen

    $119.95
    Boyesen - 10500258 - Quickshot 3 Acceleration Pump Cover - KTMFeaturesTunable leak jet maximizes volume of fuel and duration of squirt for all conditionsInvestment cast and finished to precise...
    $119.95
    Qty in Cart: 0
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    $119.95
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  • Out of stock
    Boyesen - CC-26AB - Clutch Cover - Black - Suzuki Boyesen - CC-26AB - Clutch Cover - Black - Suzuki

    Boyesen - CC-26AB - Clutch Cover - Black - Suzuki

    Boyesen

    $95.95
    Boyesen - 09401122 - Clutch Cover - Black - SuzukiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    Price:
    $95.95
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  • Out of stock
    Boyesen - WPE-18M - HY-FLO Water Pump Elbow Boyesen - WPE-18M - HY-FLO Water Pump Elbow

    Boyesen - WPE-18M - HY-FLO Water Pump Elbow

    Boyesen

    $29.95
    Boyesen - 09401101 - HY-FLO Water Pump ElbowFeaturesUsed by Team Monster Kawasaki, MX and ATV race teamsSpecsBase ColorBlackColor/FinishMagnesiumModelHy-FloUnitsEachRiding StyleOff-RoadProduct...
    $29.95
    Qty in Cart: 0
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    $29.95
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  • Boyesen - WPE-18B - HY-FLO Water Pump Elbow Boyesen - WPE-18B - HY-FLO Water Pump Elbow

    Boyesen - WPE-18B - HY-FLO Water Pump Elbow

    Boyesen

    $29.95
    Boyesen - 09401100 - HY-FLO Water Pump ElbowFeaturesUsed by Team Monster Kawasaki, MX and ATV race teamsSpecsModelHy-FloProduct NameElbowTypeWater PumpBase ColorBlackColor/FinishBlackRiding...
    $29.95
    Qty in Cart: 0
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    $29.95
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  • Boyesen - SC10AM - Ignition Cover - Magnesium - Kawasaki/Suzuki Boyesen - SC10AM - Ignition Cover - Magnesium - Kawasaki/Suzuki

    Boyesen - SC10AM - Ignition Cover - Magnesium - Kawasaki/Suzuki

    Boyesen

    $87.95
    Boyesen - 09401106 - Ignition Cover - Magnesium - Kawasaki/SuzukiFeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from...
    $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
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  • Boyesen - WPK-44AB - Impeller/Waterpump Cover - Black - Gas Gas/Husqvarna/KTM Boyesen - WPK-44AB - Impeller/Waterpump Cover - Black - Gas Gas/Husqvarna/KTM

    Boyesen - WPK-44AB - Impeller/Waterpump Cover - Black - Gas Gas/Husqvarna/KTM

    Boyesen

    $194.95
    Boyesen - 09320154 - Impeller/Waterpump Cover - Black - Gas Gas/Husqvarna/KTMFeaturesThis high-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the...
    $194.95
    Qty in Cart: 0
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    $194.95
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  • Boyesen - RAD42E - Rad Valve Reed Cage Assembly - Husqvarna/KTM Boyesen - RAD42E - Rad Valve Reed Cage Assembly - Husqvarna/KTM

    Boyesen - RAD42E - Rad Valve Reed Cage Assembly - Husqvarna/KTM

    Boyesen

    $179.95
    Boyesen - 10080311 - Rad Valve Reed Cage Assembly - Husqvarna/KTMFeaturesMade of one-piece aluminum castings and bolts in easily; no modifications necessaryProvide quicker, sharper throttle response...
    $179.95
    Qty in Cart: 0
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    $179.95
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  • Out of stock
    Boyesen - CC-17CB - Clutch Cover - Black - Kawasaki Boyesen - CC-17CB - Clutch Cover - Black - Kawasaki

    Boyesen - CC-17CB - Clutch Cover - Black - Kawasaki

    Boyesen

    $95.95
    Boyesen - 09402184 - Clutch Cover - Black - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    Price:
    $95.95
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  • Boyesen - WPK-38DB - Water Pump Kit - Black - Yamaha Boyesen - WPK-38DB - Water Pump Kit - Black - Yamaha

    Boyesen - WPK-38DB - Water Pump Kit - Black - Yamaha

    Boyesen

    $259.95
    Boyesen - 09402225 - Water Pump Kit - Black - YamahaFeaturesHigh-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm ranges, the...
    $259.95
    Qty in Cart: 0
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    $259.95
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  • Boyesen - WPK-38DL - Water Pump Kit - Blue - Yamaha Boyesen - WPK-38DL - Water Pump Kit - Blue - Yamaha

    Boyesen - WPK-38DL - Water Pump Kit - Blue - Yamaha

    Boyesen

    $264.95
    Boyesen - 09402227 - Water Pump Kit - Blue - YamahaFeaturesHigh-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm ranges, the engine...
    $264.95
    Qty in Cart: 0
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    $264.95
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  • Out of stock
    Boyesen - CC-41CO - Clutch Cover - Orange - KTM/Husqvarna

    Boyesen - CC-41CO - Clutch Cover - Orange - KTM/Husqvarna

    Boyesen

    $105.95
    Boyesen - 09402232 - Clutch Cover - Orange - KTM/HusqvarnaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $105.95
    Qty in Cart: 0
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    $105.95
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  • Out of stock
    Boyesen - CC-41CL - Clutch Cover - Blue - KTM/Husqvarna

    Boyesen - CC-41CL - Clutch Cover - Blue - KTM/Husqvarna

    Boyesen

    $105.95
    Boyesen - 09402233 - Clutch Cover - Blue - KTM/HusqvarnaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $105.95
    Qty in Cart: 0
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    $105.95
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  • Out of stock
    Boyesen - CC-41CM - Clutch Cover - Magnesium - KTM/Husqvarna

    Boyesen - CC-41CM - Clutch Cover - Magnesium - KTM/Husqvarna

    Boyesen

    $95.95
    Boyesen - 09402231 - Clutch Cover - Magnesium - KTM/HusqvarnaFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a...
    $95.95
    Qty in Cart: 0
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    Price:
    $95.95
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  • Out of stock
    Boyesen - CC-17CM - Clutch Cover - Magnesium - Kawasaki

    Boyesen - CC-17CM - Clutch Cover - Magnesium - Kawasaki

    Boyesen

    $95.95
    Boyesen - 09402230 - Clutch Cover - Magnesium - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect,...
    $95.95
    Qty in Cart: 0
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    Price:
    $95.95
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  • Boyesen - WPK-42L - Water Pump Kit - Blue - Gas Gas/Husqvarna/KTM Boyesen - WPK-42L - Water Pump Kit - Blue - Gas Gas/Husqvarna/KTM

    Boyesen - WPK-42L - Water Pump Kit - Blue - Gas Gas/Husqvarna/KTM

    Boyesen

    $199.95
    Boyesen - 09320311 - Water Pump Kit - Blue - Gas Gas/Husqvarna/KTMFeaturesHigh-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm...
    $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
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  • Boyesen - WPK-42O - Water Pump Kit - Orange - Gas Gas/Husqvarna/KTM Boyesen - WPK-42O - Water Pump Kit - Orange - Gas Gas/Husqvarna/KTM

    Boyesen - WPK-42O - Water Pump Kit - Orange - Gas Gas/Husqvarna/KTM

    Boyesen

    $199.95
    Boyesen - 09320310 - Water Pump Kit - Orange - Gas Gas/Husqvarna/KTMFeaturesHigh-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm...
    $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
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  • Out of stock
    Boyesen - WPK-42M - Water Pump Kit - Magnesium - Gas Gas/Husqvarna/KTM Boyesen - WPK-42M - Water Pump Kit - Magnesium - Gas Gas/Husqvarna/KTM

    Boyesen - WPK-42M - Water Pump Kit - Magnesium - Gas Gas/Husqvarna/KTM

    Boyesen

    $194.95
    Boyesen - 09320309 - Water Pump Kit - Magnesium - Gas Gas/Husqvarna/KTMFeaturesHigh-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all...
    $194.95
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
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  • Boyesen - WPK-42B - Water Pump Kit - Black - Gas Gas/Husqvarna/KTM Boyesen - WPK-42B - Water Pump Kit - Black - Gas Gas/Husqvarna/KTM

    Boyesen - WPK-42B - Water Pump Kit - Black - Gas Gas/Husqvarna/KTM

    Boyesen

    $194.95
    Boyesen - 09320308 - Water Pump Kit - Black - Gas Gas/Husqvarna/KTMFeaturesHigh-flow, hydrodynamic water pump kit has been tested and designed to flow more coolantBy increasing the flow at all rpm...
    $194.95
    Qty in Cart: 0
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    Price:
    $194.95
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  • Boyesen - SSF102 - Super Stock Reed Set - Fiber - Honda Boyesen - SSF102 - Super Stock Reed Set - Fiber - Honda

    Boyesen - SSF102 - Super Stock Reed Set - Fiber - Honda

    Boyesen

    $34.95
    Boyesen - SSF102 - Super Stock Reed Set - Fiber - HondaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsMaterialFiberglassBase ColorYellowModelSuper StockRiding...
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
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  • Boyesen - SSF036 - Super Stock Reed Set - Fiber - Yamaha

    Boyesen - SSF036 - Super Stock Reed Set - Fiber - Yamaha

    Boyesen

    $24.95
    Boyesen - SSF036 - Super Stock Reed Set - Fiber - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsProduct NameReed PetalBase ColorYellowModelSuper...
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
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  • Boyesen - SSF035 - Super Stock Reed Set - Fiber - Yamaha

    Boyesen - SSF035 - Super Stock Reed Set - Fiber - Yamaha

    Boyesen

    $24.95
    Boyesen - SSF035 - Super Stock Reed Set - Fiber - YamahaFeaturesEnhance performance at all rpmMatched to OEM specificationsSpecsMaterialFiberglassUnitsSetBase ColorYellowProduct NameReed PetalRiding...
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
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Adding your products to cart

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.