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
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BOYESEN Power Reeds - Polini 6107
BOYESEN
$28.95If you're running a two-stroke with a restrictive stock reed valve, you're leaving horsepower on the table. Boyesen Power Reeds optimize your intake charge across the entire RPM range—crisp response...10080091- SKU:
- 10080091
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- STREET
$28.95 -
BOYESEN Pro Series Reed - RM250 '04-'08 PRO-210
BOYESEN
$62.95Your RM250's throttle response is only as good as your reed valves. The BOYESEN Pro Series Reed delivers genuine gains in acceleration and peak power by responding instantly to piston speed...10080051- SKU:
- 10080051
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
BOYESEN Pro Series Reed - RM125 '04-'08 PRO-208
BOYESEN
$62.95If you're running an RM125 and want measurable gains in throttle response and acceleration, the Boyesen Pro Series Reed delivers the precision your engine demands. The dual-stage carbon fiber and...10080050- SKU:
- 10080050
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$62.95 -
BOYESEN Pro Series Reed - KX250 '04 PRO-206
BOYESEN
$62.95If you're serious about maximizing your KX250's power delivery, your reed valve design directly controls how efficiently your engine breathes. The Boyesen Pro Series Reed upgrades your intake...10080049- SKU:
- 10080049
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
$62.95 -
BOYESEN Pro Series Reed - KX125 '04-'05 PRO-204
BOYESEN
$62.95If you're running a KX125 and want measurable gains in throttle response and acceleration, the Boyesen Pro Series Reed delivers the precision timing your engine needs to convert fuel into horsepower...10080048- SKU:
- 10080048
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
$62.95 -
BOYESEN Pro Series Reed - KX85/100 RM100 PRO-212
BOYESEN
$57.95If you're chasing faster acceleration and sharper throttle response on your KX85/100 or RM100, reed quality directly impacts how quickly your engine responds to input. The BOYESEN Pro Series Reed...10080047- SKU:
- 10080047
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
$57.95Qty in Cart: 0Quantity:Price:$57.95Subtotal: -
BOYESEN Pro Series Reed - CR250 '04 PRO-200
BOYESEN
$69.95Reed valve performance directly impacts throttle response, acceleration, and peak horsepower on 2-stroke engines—and the Boyesen Pro Series delivers measurable gains across all three. This dual-stage...10080046- SKU:
- 10080046
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- CARBON FIBER
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
$69.95 -
On Sale
BOYESEN Pro Series Reed - CR125 '04 PRO-198
BOYESEN
MSRP: $62.95Now: $40.00Was: $62.95If you're running a CR125 and want to eliminate hesitation between throttle input and engine response, the Boyesen Pro Series Reed delivers the snap you're after. The dual-stage carbon fiber and...10080045- SKU:
- 10080045
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
- UNITS:
- SET
MSRP: $62.95Now: $40.00Was: $62.95 -
BOYESEN Racing Reed - KXF/LT80 668
BOYESEN
$22.95If you're running a KXF or LT80 and want real gains in throttle response and peak horsepower, the Boyesen Racing Reed is the upgrade that delivers across the RPM band. Boyesen's dual-stage design...10080044- SKU:
- 10080044
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- POWER REED
- RIDING STYLE:
- ATV
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$22.95 -
BOYESEN Racing Reed - YZ125 '04 6119
BOYESEN
$39.95Stock reed valves limit your YZ125's potential across the RPM band—they're a compromise designed for reliability, not performance. Boyesen's dual-stage racing reed transforms throttle response and...10080043- SKU:
- 10080043
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
$39.95 -
BOYESEN Racing Reed - RM250 '04-'08 6123
BOYESEN
$39.95Stock reed systems limit your RM250's potential across the RPM band—they compromise either low-end response or high-RPM flow, forcing you to choose between performance characteristics. Boyesen's...10080042- SKU:
- 10080042
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- POWER REED
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - RM125 '04-'08 6122
BOYESEN
$39.95If you're running a RM125 two-stroke, your reed valve assembly directly controls how efficiently your engine breathes at every RPM range. The Boyesen Racing Reed replaces the factory limitation with...10080041- SKU:
- 10080041
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - KX125 '04-'08 6120
BOYESEN
$39.95If you're running a KX125 and leaving performance on the table with a stock reed valve, Boyesen's dual-stage design is engineered to unlock measurable gains in throttle response and peak horsepower...10080039- SKU:
- 10080039
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$39.95 -
BOYESEN Racing Reed - Suzuki/Kawasaki 6124
BOYESEN
$34.95Standard reeds restrict your engine's breathing potential, costing you measurable horsepower and throttle response. The Boyesen Racing Reed delivers dual-stage reed technology that's proven by...10080038- SKU:
- 10080038
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- TYPE:
- DUAL STAGE
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
On Sale
BOYESEN Racing Reed - CR250 '04 6118
BOYESEN
MSRP: $48.95Now: $31.00Was: $48.95The stock reed valve in your CR250 is limiting your engine's potential across the entire RPM range. Boyesen's dual-stage reed design increases flow velocity at every operating pressure point,...10080037- SKU:
- 10080037
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- BASE COLOR:
- YELLOW
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
MSRP: $48.95Now: $31.00Was: $48.95 -
BOYESEN Racing Reed - CR125 '04 6117
BOYESEN
$39.95Stock reeds limit your CR125's potential across the entire powerband, leaving performance on the table from idle through peak RPM. Boyesen's dual-stage reed design has been proven through laboratory...10080036- SKU:
- 10080036
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
$39.95 -
BOYESEN Radiator Valve - YZ125 '04 RAD-33I
BOYESEN
$179.95If you're running a YZ125 and want noticeably sharper throttle response with measurable gains across the entire RPM band, a Boyesen radiator valve is a direct path to more usable horsepower and...10080035- SKU:
- 10080035
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- TYPE:
- DUAL STAGE
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- MODEL:
- RAD VALVE
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Radiator Valve - RM250 '04-'08 RAD-24K
BOYESEN
$179.95If you're running a Suzuki RM250 and leaving throttle response on the table, a Boyesen Radiator Valve is the bolt-on upgrade that'll sharpen your power delivery across the entire RPM band. By...10080034- SKU:
- 10080034
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- RAD VALVE
- TYPE:
- DUAL STAGE
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- MATERIAL:
- CARBON FIBER
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Radiator Valve - RM125 RAD-21J
BOYESEN
$179.95If you're running a RM125 and leaving performance on the table, a restricted intake valve is likely the culprit. The BOYESEN Radiator Valve eliminates flow restrictions and ensures even fuel-air...10080033- SKU:
- 10080033
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MATERIAL:
- CARBON FIBER
- TYPE:
- DUAL STAGE
- MATERIAL:
- ALUMINUM
- MODEL:
- RAD VALVE
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
$179.95 -
BOYESEN Radiator Valve RAD-42D
BOYESEN
$179.95If you're serious about extracting maximum performance from your engine, intake charge distribution directly impacts your horsepower and throttle response. The BOYESEN Radiator Valve RAD-42D uses...10080032- SKU:
- 10080032
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- TYPE:
- DUAL STAGE
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- MATERIAL:
- CARBON FIBER
- MODEL:
- RAD VALVE
- UNITS:
- EACH
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Radiator Valve - KX250 '04 RAD-12I
BOYESEN
$179.95If you're running a KX250 and want measurable gains in low-to-mid-range torque and throttle response, a quality radiator valve is non-negotiable. The Boyesen RAD-12I optimizes intake charge...10080031- SKU:
- 10080031
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
- MATERIAL:
- CARBON FIBER
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$179.95 -
BOYESEN Radiator Valve - KX125 '04-'05 RAD-11K
BOYESEN
$179.95If you're running a KX125 and want noticeable gains in throttle response and mid-range torque, a Boyesen Radiator Valve is one of the most direct bolt-on upgrades available. This valve optimizes...10080030- SKU:
- 10080030
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
$179.95 -
BOYESEN Radiator Valve - KX85/100 RM100 RAD-10E
BOYESEN
$169.95If you're running a KX85/100 or RM100, intake efficiency directly impacts throttle response and peak horsepower. The BOYESEN Radiator Valve optimizes charge distribution across intake ports while...10080029- SKU:
- 10080029
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
BOYESEN Radiator Valve - CR250 '04 RAD-02H
BOYESEN
$179.95If you're running a CR250 and want immediate throttle response without sacrificing low-end torque, the Boyesen Radiator Valve is the bolt-on upgrade that delivers. By maintaining flow velocity...10080028- SKU:
- 10080028
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- DUAL STAGE
- MATERIAL:
- ALUMINUM
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Radiator Valve - CR125 '04 RAD-01I
BOYESEN
$179.95If you're running a CR125 and want measurable gains in throttle response and mid-to-top-end horsepower, the Boyesen Radiator Valve is a proven intake modification that actually delivers. By...10080027- SKU:
- 10080027
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- MATERIAL:
- CARBON FIBER
- TYPE:
- DUAL STAGE
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Pro Series Reed for RAD11J PSR-192
BOYESEN
$69.95If you're running a RAD11J and want measurable gains in throttle response and acceleration, the Boyesen Pro Series Reed delivers the responsiveness that separates competitive setups from the rest...10080014- SKU:
- 10080014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$69.95 -
BOYESEN Pro Series Reed for RAD10E PSR-213
BOYESEN
$56.95Reed valve performance directly impacts throttle response and peak power output on two-stroke engines—a sluggish reed setup costs you acceleration and consistency on the track. The BOYESEN Pro Series...10080013- SKU:
- 10080013
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REPLACEMENT REED FOR RAD10E
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$56.95Qty in Cart: 0Quantity:Price:$56.95Subtotal: -
BOYESEN Pro Series Reed for RAD02H PSR-201
BOYESEN
$69.95Reed valve performance directly impacts throttle response and acceleration—choose the wrong reed and you'll feel lag in the powerband. The BOYESEN Pro Series Reed delivers the responsiveness you need...10080012- SKU:
- 10080012
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$69.95 -
BOYESEN Pro Series Reed for RAD02G PSR-183
BOYESEN
$69.95If you're chasing faster throttle response and maximum acceleration on your RAD02G, reed quality directly impacts how quickly your engine responds to input. The Boyesen Pro Series Reed delivers...10080011- SKU:
- 10080011
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- PRO SERIES
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
On Sale
BOYESEN Pro Series Reed for RAD01I PSR-199
BOYESEN
MSRP: $69.95Now: $45.00Was: $69.95Reed valve performance directly impacts throttle response and acceleration in 2-stroke engines, and the BOYESEN Pro Series delivers measurable gains through precision engineering. The dual-stage...10080010- SKU:
- 10080010
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
MSRP: $69.95Now: $45.00Was: $69.95Qty in Cart: 0Quantity:Price:MSRP: $69.95Now: $45.00Was: $69.95Subtotal: -
BOYESEN Pro Series Reed for RAD01H PSR-181
BOYESEN
$69.95Throttle response is everything in high-RPM applications, and a sluggish reed valve costs you acceleration and peak power. The Boyesen Pro Series Reed delivers the rapid intake dynamics your engine...10080009- SKU:
- 10080009
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
$69.95 -
BOYESEN Radiator Valve - YZ250 '00-'04 RAD34I
BOYESEN
$179.95If you're running a carbureted two-stroke and leaving power on the table, your intake system is likely the culprit. The BOYESEN Radiator Valve optimizes charge distribution across your cylinder's...10080007- SKU:
- 10080007
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- MODEL:
- RAD VALVE
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
$179.95 -
BOYESEN Pro Series Reed for RAD40 PSR-197
BOYESEN
$55.95A reed valve system is only as good as its ability to respond to your engine's demands—and the BOYESEN Pro Series PSR-197 delivers precision throttle response that translates directly to faster...10080006- SKU:
- 10080006
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
$55.95 -
BOYESEN Impeller Pump CRF450 WPI-06
BOYESEN
$79.95Water temperature consistency is critical to maintaining peak horsepower and engine reliability during extended racing sessions. The BOYESEN Impeller Pump WPI-06 increases coolant flow while reducing...09500026- SKU:
- 09500026
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- IMPELLER
- MODEL:
- SUPERCOOLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
$79.95 -
BOYESEN Impeller Water Pump Cover - Black - YZ125 WPK-31AB
BOYESEN
$219.95Stock water pumps can't keep pace with the demands of high-RPM racing, leaving your YZ125 vulnerable to thermal stress and performance loss. The BOYESEN Impeller Water Pump Cover delivers measurably...09401471- SKU:
- 09401471
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- IMPELLER
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- NAUTILUS
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER
$219.95 -
BOYESEN Clutch Cover - Gold - Kawasaki CC-18AM
BOYESEN
$95.95If you're serious about reducing rotating mass and improving engine response, a lightweight clutch cover is a straightforward upgrade that delivers measurable results. The BOYESEN CC-18AM is...09401466- SKU:
- 09401466
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- MAGNESIUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- CLUTCH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Black - Kawasaki CC-18AB
BOYESEN
$95.95A clutch cover does more than protect—it's a visual statement of your commitment to precision engineering and race-ready aesthetics. The BOYESEN Clutch Cover delivers lightweight construction without...09401465- SKU:
- 09401465
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Gold - KTM/Husqvarna CC-45AM
BOYESEN
$95.95Factory-spec clutch covers take a beating in competitive riding, and OEM units are prone to leaks and premature wear. The BOYESEN CC-45AM delivers race-proven durability with CNC-precision machining...09401462- SKU:
- 09401462
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Black - KTM/Husqvarna CC-45AB
BOYESEN
$95.95A factory-grade clutch cover protects one of your engine's most critical components while reducing rotational mass—critical on the track where every ounce matters. The BOYESEN CC-45AB is individually...09401461- SKU:
- 09401461
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- PRODUCT NAME:
- COVER
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
BOYESEN Clutch Cover - Gold - KTM/Husqvarna CC-44CM
BOYESEN
$95.95A lightweight clutch cover that delivers the precision fit and durability expected on the track—without compromising on appearance. The individually surfaced design eliminates common leak points,...09401458- SKU:
- 09401458
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- MAGNESIUM
- RIDING STYLE:
- STREET
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- COVER
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal:
