BOYESEN
Boyesen Reed Valves, Water Pumps, and Performance Parts at JJ Motorsports
Boyesen Racing Products is at the forefront of performance engineering in the powersports industry, founded on a passion for speed, precision, and quality. With a focus on innovation, Boyesen crafts high-performance components for motorcycles and ATVs, resulting from extensive research, development, and testing to ensure durability, functionality, and enhanced performance. The brand is trusted by enthusiasts for delivering reliable solutions that optimize power and reliability in off-road and racing applications.
At JJ Motorsports, we offer a wide selection of Boyesen products to elevate your ride. Popular items include the Water Pump Kit - Black - Gas Gas/Husqvarna/KTM WPK-42B, made in the USA for enhanced cooling performance, the Water Pump Kit - Magnesium - Gas Gas/Husqvarna/KTM WPK-42M to improve engine cooling, and the Impeller Pump for CR250 WPI-02 which enhances water flow and reduces hydraulic friction. Other favorites are the Single-Stage Reed - Fiber - CR250 '03 SSF302 for longer lifespan than stock reeds, the Single-Stage Reed - Fiber - YZ250 '02 SSF232 offering better value with fiberglass construction, and the Single-Stage Reed - Carbon - CR250 '03 SSC302 to optimize engine performance.
Boyesen products provide significant benefits such as increased horsepower through enhanced airflow, consistent temperature control for reliable performance, reduced friction, and longer component lifespan. Key features include durable materials like fiberglass and carbon, precise fitment for various models including Honda CR250, Yamaha YZ250, and KTM/Gas Gas/Husqvarna, and designs made in the USA for off-road racing and aggressive riding.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
BOYESEN Clutch Cover - Gold - KTM/Husqvarna CC-44CB
BOYESEN
$95.95If you're serious about reducing unsprung weight and shaving precious grams off your KTM or Husqvarna, a lightweight factory clutch cover is non-negotiable. The BOYESEN CC-44CB delivers race-proven...09401457- SKU:
- 09401457
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
$95.95 -
BOYESEN Clutch Cover - Black - KTM/Husqvarna CC-41AB
BOYESEN
$95.95A lightweight clutch cover reduces unsprung mass and heat retention while delivering the durability required for competitive racing and trail abuse. The Boyesen CC-41AB features precision engineering...09401453- SKU:
- 09401453
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$95.95 -
BOYESEN Ignition Cover - Orange - KTM SC-41CO
BOYESEN
$97.95Stock ignition covers are vulnerable to dirt, water, and premature wear—especially in demanding riding conditions. The Boyesen SC-41CO Factory Ignition Cover is cast from high-grade aluminum to...09401447- SKU:
- 09401447
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- ORANGE
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$97.95 -
BOYESEN Ignition Cover - Gold - KTM/Husqvarna SC-41CM
BOYESEN
$87.95Your engine's internals face constant threats from dust, moisture, and debris—especially in trail and off-road conditions. The BOYESEN Ignition Cover replaces the factory plastic alternative with a...09401446- SKU:
- 09401446
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- UNITS:
- EACH
$87.95 -
BOYESEN Ignition Cover - Black - KTM/Husqvarna SC-41CB
BOYESEN
$87.95The stock ignition cover on your KTM or Husqvarna is vulnerable to mud, water, and debris—exactly what can compromise engine reliability during aggressive riding. The BOYESEN Factory Ignition Cover...09401445- SKU:
- 09401445
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
BOYESEN Clutch Cover - Gold - Yamaha CC-37AM
BOYESEN
$95.95A clutch cover does more than protect—it's a visible statement of your commitment to quality and performance. The BOYESEN Clutch Cover combines lightweight construction with a factory-grade fit that...09401371- SKU:
- 09401371
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Black - Yamaha CC-37AB
BOYESEN
$95.95A clutch cover does more than protect—it sets the tone for your bike's reliability and appearance. The BOYESEN Lightweight Factory Clutch Cover delivers race-proven durability with a precision-fitted...09401370- SKU:
- 09401370
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Magnesium WPK-38CM
BOYESEN
$219.95Engine temperatures spike under load, compromising reliability and power output. The BOYESEN Impeller/Waterpump Cover upgrades your cooling system's core efficiency by increasing coolant flow across...09401369- SKU:
- 09401369
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE FINISH:
- POWDER-COATED
- UNITS:
- KIT
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
- TYPE:
- WATER PUMP
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- OFF-ROAD
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Black WPK-38CB
BOYESEN
$219.95Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-38CB water pump cover and impeller upgrade increases...09401368- SKU:
- 09401368
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE COLOR:
- BLACK
- MODEL:
- SUPERCOOLER
- TYPE:
- WATER PUMP
- BASE FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER AND IMPELLER KIT
$219.95 -
BOYESEN Impeller/Waterpump Cover - Black WPK-37AB
BOYESEN
$219.95Engine temperature stability directly impacts performance and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-37AB water pump cover and impeller assembly increases coolant...09401366- SKU:
- 09401366
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE FINISH:
- POWDER-COATED
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Orange WPK-45O
BOYESEN
$199.95Engine coolant flow directly impacts operating temperature stability and component longevity—inadequate cooling creates hot spots that accelerate wear on gaskets, seals, and bearings. The Boyesen...09401365- SKU:
- 09401365
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- TYPE:
- WATER PUMP
- COLOR/FINISH:
- ORANGE
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- BASE FINISH:
- POWDER-COATED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE COLOR:
- ORANGE
- MATERIAL:
- ALUMINUM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Magnesium WPK-45M
BOYESEN
$194.95Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The Boyesen WPK-45M delivers increased coolant flow across the entire...09401364- SKU:
- 09401364
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- MODEL:
- SUPERCOOLER
- TYPE:
- WATER PUMP
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Black WPK-45B
BOYESEN
$194.95Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under high-RPM conditions. The BOYESEN WPK-45B water pump cover and impeller combo increases coolant flow...09401363- SKU:
- 09401363
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- TYPE:
- WATER PUMP
- BASE COLOR:
- BLACK
- MODEL:
- SUPERCOOLER
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER AND IMPELLER KIT
$194.95 -
BOYESEN Clutch Cover - Gold - KTM/Husaberg CC-45M
BOYESEN
$95.95A factory-lightweight clutch cover cuts parasitic weight without sacrificing durability—critical when lap times are measured in hundredths. The individually surfaced design guarantees a leak-free fit...09401264- SKU:
- 09401264
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- MAGNESIUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- CLUTCH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Black - KTM/Husaberg CC-45B
BOYESEN
$95.95A lightweight clutch cover isn't just about aesthetics—it's about reducing unsprung weight and minimizing heat retention in high-demand racing conditions. The Boyesen CC-45B is individually surfaced...09401263- SKU:
- 09401263
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Orange WPK-44O
BOYESEN
$199.95Engine temperatures spike under load, robbing you of reliability and consistent performance—especially critical in racing applications where thermal management directly impacts horsepower delivery...09401236- SKU:
- 09401236
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- ORANGE
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- MODEL:
- SUPERCOOLER
- TYPE:
- WATER PUMP
- BASE COLOR:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Magnesium WPK-44M
BOYESEN
$194.95Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-44M water pump cover and impeller combo increases...09401235- SKU:
- 09401235
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- SUPERCOOLER
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
- TYPE:
- WATER PUMP
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
BOYESEN Impeller/Waterpump Cover - Black WPK-44B
BOYESEN
$194.95Engine overheating under load is a performance killer—and stock cooling systems often can't keep pace with modified or high-RPM engines. The Boyesen WPK-44B water pump cover and impeller upgrade...09401234- SKU:
- 09401234
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- BASE FINISH:
- POWDER-COATED
- TYPE:
- WATER PUMP
- UNITS:
- KIT
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
BOYESEN Clutch Cover - Orange - KTM CC-44AO
BOYESEN
$105.95A lightweight clutch cover is essential for reducing rotating mass and improving engine responsiveness, especially in competitive racing environments where every gram matters. The BOYESEN CC-44AO...09401233- SKU:
- 09401233
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$105.95 -
BOYESEN Clutch Cover - Black - KTM CC-44AB
BOYESEN
$95.95A clutch cover isn't just cosmetic—it's your first line of defense against impact, contamination, and heat damage. The BOYESEN Lightweight Clutch Cover delivers race-proven protection without the...09401231- SKU:
- 09401231
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$95.95 -
BOYESEN Clutch Cover - Orange - KTM CC-41O
BOYESEN
$105.95A clutch cover does more than protect—it's a visible statement of your build's quality and attention to detail. The BOYESEN Orange Clutch Cover combines lightweight construction with precision...09401230- SKU:
- 09401230
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$105.95Qty in Cart: 0Quantity:Price:$105.95Subtotal: -
BOYESEN Clutch Cover - Gold - KTM CC-41M
BOYESEN
$95.95A factory-style clutch cover that combines lightweight construction with race-proven durability—essential if you're serious about reducing unsprung weight without sacrificing protection. The...09401229- SKU:
- 09401229
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$95.95 -
BOYESEN Clutch Cover - Black CC-41B
BOYESEN
$95.95A clutch cover does more than protect—it's a visible statement of your commitment to quality and performance. The BOYESEN CC-41B delivers a lightweight design that reduces rotating mass while...09401228- SKU:
- 09401228
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
$95.95 -
BOYESEN Ignition Cover - Gold - KTM 65 SC-40AM
BOYESEN
$87.95The stock ignition cover on your KTM 65 is vulnerable to the elements—dirt, water, and debris will eventually compromise its seal and appearance. The BOYESEN Factory Ignition Cover replaces that weak...09401226- SKU:
- 09401226
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
- COLOR/FINISH:
- POWDER-COATED
- UNITS:
- EACH
$87.95 -
BOYESEN Clutch Cover - Gold CC-30M
BOYESEN
$95.95A clutch cover does more than protect—it's a visible statement of your commitment to quality and performance. The BOYESEN Lightweight Clutch Cover CC-30M delivers factory-grade durability without...09401125- SKU:
- 09401125
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- COLOR/FINISH:
- MAGNESIUM
- PRODUCT NAME:
- COVER
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Black CC-30B
BOYESEN
$95.95A clutch cover does more than protect your engine—it's a visible statement of your commitment to quality and performance. The BOYESEN CC-30B delivers lightweight construction without compromise,...09401124- SKU:
- 09401124
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Gold CC-26AM
BOYESEN
$95.95A clutch cover isn't just cosmetic—it's your first line of defense against premature wear, contamination, and catastrophic failure. The BOYESEN Clutch Cover CC-26AM delivers lightweight construction...09401123- SKU:
- 09401123
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Black CC-26AB
BOYESEN
$95.95Factory clutch covers take a beating on the track and street—exposure to heat cycles, debris, and constant vibration degrades stock designs and creates leak points that compromise engine reliability...09401122- SKU:
- 09401122
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- COLOR/FINISH:
- POWDER-COATED
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
$95.95 -
BOYESEN Clutch Cover - Gold CC-18M
BOYESEN
$95.95A clutch cover does more than just protect—it's a visible statement of your commitment to precision engineering and race-proven durability. The BOYESEN Clutch Cover CC-18M delivers lightweight...09401120- SKU:
- 09401120
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
$95.95 -
BOYESEN Clutch Cover - Black CC-18B
BOYESEN
$95.95A quality clutch cover does more than protect—it's the foundation for a reliable, leak-free clutch system that won't let you down on track or trail. The BOYESEN CC-18B delivers lightweight...09401119- SKU:
- 09401119
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$95.95 -
BOYESEN HY-FLO Water Pump Elbow WPE-18M
BOYESEN
$29.95Cavitation in your cooling system directly kills engine performance and longevity—and stock water pump elbows are notorious for trapping heat and air pockets in their angled passages. The Boyesen...09401101- SKU:
- 09401101
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- ELBOW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- MAGNESIUM
- MODEL:
- HY-FLO
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
BOYESEN HY-FLO Water Pump Elbow WPE-18B
BOYESEN
$29.95Cavitation and heat buildup in your cooling system directly reduce engine reliability and performance—especially under sustained high-rpm racing conditions. The BOYESEN HY-FLO Water Pump Elbow...09401100- SKU:
- 09401100
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- WATER PUMP
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- ELBOW
- MODEL:
- HY-FLO
$29.95 -
BOYESEN Impeller/Waterpump Cover - Black WPK-28B
BOYESEN
$219.95Engine cooling performance directly impacts reliability and longevity, especially under sustained high-RPM operation. The Boyesen WPK-28B delivers increased coolant flow across your entire RPM range,...09401084- SKU:
- 09401084
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE COLOR:
- BLACK
- MODEL:
- SUPERCOOLER
- TYPE:
- WATER PUMP
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- ATV
$219.95 -
BOYESEN Impeller/Waterpump Cover WPK-38AM
BOYESEN
$194.95Cooling system efficiency directly impacts engine longevity and performance consistency under sustained load. The BOYESEN WPK-38AM delivers measurable flow improvements across the entire RPM range,...09400978- SKU:
- 09400978
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPERCOOLER
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- MAGNESIUM
- TYPE:
- WATER PUMP
- UNITS:
- KIT
$194.95 -
BOYESEN Impeller/Waterpump Cover WPK-38AB
BOYESEN
$194.95Engine coolant flow directly impacts thermal stability and longevity—inadequate circulation forces your engine to work harder and run hotter, compromising performance and reliability. The BOYESEN...09400977- SKU:
- 09400977
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- MODEL:
- SUPERCOOLER
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
$194.95 -
BOYESEN Impeller/Waterpump Cover WPK-07AM
BOYESEN
$194.95Stock water pump covers restrict coolant flow, forcing your engine to work harder to maintain optimal operating temperature. The BOYESEN Impeller/Waterpump Cover WPK-07AM replaces that restriction...09400975- SKU:
- 09400975
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- BASE FINISH:
- POWDER-COATED
- UNITS:
- KIT
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
$194.95 -
BOYESEN Impeller/Waterpump Cover WPK-07AB
BOYESEN
$194.95Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under high-demand conditions. The BOYESEN WPK-07AB water pump cover and impeller combo increases coolant...09400974- SKU:
- 09400974
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- WATER PUMP
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
$194.95 -
BOYESEN Clutch Cover - YZ450F/X CC-38CM
BOYESEN
$95.95A factory-spec clutch cover that combines lightweight construction with race-proven durability—exactly what you need to reduce rotating mass while maintaining reliable protection on the track or...09400972- SKU:
- 09400972
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MODEL:
- FACTORY RACING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - YZ450F/X CC-38CB
BOYESEN
$95.95A factory-spec clutch cover that delivers the lightweight advantage you need on the track without compromising protection or longevity. Boyesen's individually surfaced design eliminates the fitment...09400971- SKU:
- 09400971
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - CRF250R CC-07AM
BOYESEN
$117.95If you're running a CRF250R in competition or pushing hard on the track, your clutch cover takes a beating from heat, debris, and vibration. The BOYESEN Clutch Cover CC-07AM replaces that worn or...09400969- SKU:
- 09400969
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- COLOR/FINISH:
- MAGNESIUM
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
$117.95