Select Your Ride

1
2
3

BOYESEN

BOYESEN

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 Pro Series Reed for RAD11C PSR14

    BOYESEN Pro Series Reed for RAD11C PSR14

    BOYESEN

    $64.95
    The BOYESEN Pro Series Reed delivers the throttle response and acceleration you need when every millisecond counts on the track. By combining a carbon fiber top reed with a reinforced...
    PRO14
    SKU:
    PRO14
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BASE COLOR:
    YELLOW
    UNITS:
    SET
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    PRODUCT NAME:
    REED PETAL
    MATERIAL:
    CARBON FIBER
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed - KX65 PRO139

    BOYESEN Pro Series Reed - KX65 PRO139

    BOYESEN

    $52.95
    Precise throttle response separates competitive racers from the rest of the field—and the BOYESEN Pro Series Reed delivers exactly that. By pairing high-tech carbon fiber with a reinforced fiberglass...
    PRO139
    SKU:
    PRO139
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    MATERIAL:
    CARBON FIBER
    UNITS:
    SET
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • BOYESEN Pro Series Reed - KX250 PRO134

    BOYESEN Pro Series Reed - KX250 PRO134

    BOYESEN

    $62.95
    If you're running a KX250 and want measurable gains in throttle response and acceleration, the BOYESEN Pro Series Reed delivers the kind of responsive power that separates competitive riders from the...
    PRO134
    SKU:
    PRO134
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD12E PSR133

    BOYESEN Pro Series Reed for RAD12E PSR133

    BOYESEN

    $64.95
    If you're serious about maximizing small-displacement two-stroke performance, reed valve design directly controls how quickly your engine responds to throttle input and builds power through the RPM...
    PRO133
    SKU:
    PRO133
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    PRODUCT NAME:
    REED PETAL
    MATERIAL:
    CARBON FIBER
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD02A PSR13

    BOYESEN Pro Series Reed for RAD02A PSR13

    BOYESEN

    $64.95
    If you're running a two-stroke engine, your reed valve is the gatekeeper between maximum power and wasted potential. The BOYESEN Pro Series Reed delivers precise throttle response and rapid...
    PRO13
    SKU:
    PRO13
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    UNITS:
    SET
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD30A PSR129

    BOYESEN Pro Series Reed for RAD30A PSR129

    BOYESEN

    $56.95
    A reed valve is only as good as its response time, and the Boyesen Pro Series delivers throttle accuracy that directly translates to faster acceleration and peak horsepower. If you're running the...
    PRO129
    SKU:
    PRO129
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    REPLACEMENT REED FOR RAD30A
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MODEL:
    PRO SERIES
    $56.95
    Qty in Cart: 0
    Quantity:
    Price:
    $56.95
    Subtotal:
  • BOYESEN Pro Series Reed - YZ250 '99-'00 PRO126

    BOYESEN Pro Series Reed - YZ250 '99-'00 PRO126

    BOYESEN

    $62.95
    The stock reed valve is often the first bottleneck in two-stroke performance—it can't keep pace with aggressive piston speeds, causing hesitation and power loss. The Boyesen Pro Series Reed...
    PRO126
    SKU:
    PRO126
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    CARBON FIBER
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - RM125 '99-'00 PRO125

    BOYESEN Pro Series Reed - RM125 '99-'00 PRO125

    BOYESEN

    $62.95
    If you're running a RM125 and want measurable gains in throttle response and acceleration, upgrading to a quality reed valve system is one of the highest-ROI modifications available. The Boyesen Pro...
    PRO125
    SKU:
    PRO125
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    PRO SERIES
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - KX250 '99 PRO124

    BOYESEN Pro Series Reed - KX250 '99 PRO124

    BOYESEN

    $62.95
    If you're running a KX250 two-stroke, your reed valve is the gatekeeper of power—and a sluggish reed means you're leaving horsepower on the table. The Boyesen Pro Series Reed responds instantly to...
    PRO124
    SKU:
    PRO124
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    MATERIAL:
    CARBON FIBER
    UNITS:
    SET
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD-24F PSR122

    BOYESEN Pro Series Reed for RAD-24F PSR122

    BOYESEN

    $64.95
    If you're serious about extracting maximum horsepower from your RAD-24F PSR122, throttle response and acceleration are non-negotiable. The BOYESEN Pro Series Reed delivers the fastest spool-up and...
    PRO122
    SKU:
    PRO122
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    PRODUCT NAME:
    REED PETAL
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD-01D PSR121

    BOYESEN Pro Series Reed for RAD-01D PSR121

    BOYESEN

    $64.95
    Reed valve performance directly impacts throttle response and acceleration in high-RPM applications, making it one of the most critical tuning components in your intake system. The Boyesen Pro Series...
    PRO121
    SKU:
    PRO121
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    REPLACEMENT REED FOR RAD01D/01E
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD-02C PSR120

    BOYESEN Pro Series Reed for RAD-02C PSR120

    BOYESEN

    $64.95
    If you're running a RAD-02C PSR120 intake system, reed valve performance directly impacts throttle response, power delivery, and overall engine efficiency. The Boyesen Pro Series Reed delivers the...
    PRO120
    SKU:
    PRO120
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    PRODUCT NAME:
    REED PETAL
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD01B PSR12

    BOYESEN Pro Series Reed for RAD01B PSR12

    BOYESEN

    $64.95
    If you're running a RAD01B and want measurable gains in throttle response and acceleration, the Boyesen Pro Series Reed delivers the precision your engine demands. The dual-stage design adapts...
    PRO12
    SKU:
    PRO12
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MATERIAL:
    CARBON FIBER
    MODEL:
    PRO SERIES
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD-34E PSR119

    BOYESEN Pro Series Reed for RAD-34E PSR119

    BOYESEN

    $64.95
    The Boyesen Pro Series Reed elevates your RAD-34E PSR119 with precision throttle response and measurable acceleration gains. Using carbon fiber construction paired with a durable fiberglass/epoxy...
    PRO119
    SKU:
    PRO119
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    MATERIAL:
    CARBON FIBER
    UNITS:
    SET
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD-33D PSR118

    BOYESEN Pro Series Reed for RAD-33D PSR118

    BOYESEN

    $64.95
    If you're running a RAD-33D PSR118 and leaving performance on the table, your reed valve is the culprit. The Boyesen Pro Series Reed delivers the throttle response and power band consistency that...
    PRO118
    SKU:
    PRO118
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    REED PETAL
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD-12D PSR116

    BOYESEN Pro Series Reed for RAD-12D PSR116

    BOYESEN

    $64.95
    Reed valve performance directly impacts throttle response and acceleration—cheap or worn reeds leave horsepower on the table. The Boyesen Pro Series Reed delivers the dual-stage design and carbon...
    PRO116
    SKU:
    PRO116
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MATERIAL:
    CARBON FIBER
    MODEL:
    PRO SERIES
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD-11F PSR115

    BOYESEN Pro Series Reed for RAD-11F PSR115

    BOYESEN

    $64.95
    Reed valve performance directly impacts throttle response, acceleration, and overall engine efficiency on your two-stroke. The BOYESEN Pro Series PSR115 delivers the precision timing your engine...
    PRO115
    SKU:
    PRO115
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    MATERIAL:
    CARBON FIBER
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed - KTM PRO114

    BOYESEN Pro Series Reed - KTM PRO114

    BOYESEN

    $62.95
    Reed valve performance directly impacts throttle response and acceleration in 2-stroke engines—cheap or worn reeds cost you horsepower and crisp low-end bite. The Boyesen Pro Series Reed delivers the...
    PRO114
    SKU:
    PRO114
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MODEL:
    PRO SERIES
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - KTM125/200 PRO113

    BOYESEN Pro Series Reed - KTM125/200 PRO113

    BOYESEN

    $62.95
    Reed valve performance directly impacts throttle response, acceleration, and peak horsepower on 2-stroke engines—and the Boyesen Pro Series Reed delivers measurable gains across all three. By pairing...
    PRO113
    SKU:
    PRO113
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    MODEL:
    PRO SERIES
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - KTM 65 PRO112

    BOYESEN Pro Series Reed - KTM 65 PRO112

    BOYESEN

    $52.95
    The Boyesen Pro Series Reed delivers measurable improvements in throttle response and acceleration by quickly adapting to piston speed changes—essential for competitive racing and demanding trail...
    PRO112
    SKU:
    PRO112
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    PRODUCT NAME:
    REED PETAL
    MATERIAL:
    CARBON FIBER
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • BOYESEN Pro Series Reed - CR250 '99-'00 PRO111

    BOYESEN Pro Series Reed - CR250 '99-'00 PRO111

    BOYESEN

    $62.95
    If you're running a CR250 and want to unlock faster throttle response with genuine acceleration gains, the Boyesen Pro Series Reed delivers the precision your engine demands. The dual-stage carbon...
    PRO111
    SKU:
    PRO111
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    MATERIAL:
    CARBON FIBER
    UNITS:
    SET
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    RIDING STYLE:
    OFF-ROAD
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - KTM 250 PRO11

    BOYESEN Pro Series Reed - KTM 250 PRO11

    BOYESEN

    $62.95
    If you're running a KTM 250 and want measurable gains in throttle response and acceleration, reed quality directly impacts your engine's breathing efficiency. The Boyesen Pro Series delivers quick...
    PRO11
    SKU:
    PRO11
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    MODEL:
    PRO SERIES
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - CR250 PRO02

    BOYESEN Pro Series Reed - CR250 PRO02

    BOYESEN

    $62.95
    If you're running a CR250 and want to extract every ounce of performance from your engine, your reed valves are where it starts. The Boyesen Pro Series delivers the throttle response and acceleration...
    PRO02
    SKU:
    PRO02
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    PRODUCT NAME:
    REED PETAL
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    BASE COLOR:
    YELLOW
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - CR125 PRO01

    BOYESEN Pro Series Reed - CR125 PRO01

    BOYESEN

    $62.95
    If you're running a CR125 at the track, reed design directly impacts your power delivery and throttle response. The Boyesen Pro Series Reed eliminates the lag that costs you tenths on the clock by...
    PRO01
    SKU:
    PRO01
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    UNITS:
    SET
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    RIDING STYLE:
    OFF-ROAD
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - YZ250 CC32AB

    BOYESEN Clutch Cover - Black - YZ250 CC32AB

    BOYESEN

    $95.95
    A clutch cover does more than protect—it's a visual statement of your commitment to precision engineering and race-ready performance. The BOYESEN CC32AB delivers lightweight construction that reduces...
    CC32AB
    SKU:
    CC32AB
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    TYPE:
    CLUTCH
    RIDING STYLE:
    OFF-ROAD
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - RM250 CC22B

    BOYESEN Clutch Cover - Black - RM250 CC22B

    BOYESEN

    $95.95
    A factory-spec clutch cover designed for reliability and weight savings, the Boyesen CC22B delivers the durability professional racers and serious enthusiasts demand. The lightweight construction...
    CC22B
    SKU:
    CC22B
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    TYPE:
    CLUTCH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - RM125 CC21AB

    BOYESEN Clutch Cover - Black - RM125 CC21AB

    BOYESEN

    $95.95
    A lightweight clutch cover reduces unsprung weight while maintaining the durability your race engine demands. Boyesen's individually surfaced design eliminates leak-prone fitment issues that plague...
    CC21AB
    SKU:
    CC21AB
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - KX250 CC12B

    BOYESEN Clutch Cover - Black - KX250 CC12B

    BOYESEN

    $95.95
    If you're running KX250 race applications, clutch cover integrity directly impacts both performance reliability and engine protection. The BOYESEN CC12B delivers lightweight construction that reduces...
    CC12B
    SKU:
    CC12B
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    PRODUCT NAME:
    COVER
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - KX250 CC-12AB

    BOYESEN Clutch Cover - KX250 CC-12AB

    BOYESEN

    $95.95
    A clutch cover is one of the most visible performance components on your KX250, and the BOYESEN CC-12AB delivers both durability and aesthetics without compromising lightweight construction...
    CC12AB
    SKU:
    CC12AB
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    COLOR/FINISH:
    POWDER-COATED
    TYPE:
    CLUTCH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    COVER
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - KX125 CC-11AB

    BOYESEN Clutch Cover - Black - KX125 CC-11AB

    BOYESEN

    $95.95
    A lightweight clutch cover is essential for reducing unsprung weight and improving your kart's power-to-weight ratio—critical gains on the track. The Boyesen CC-11AB delivers factory-level protection...
    CC11AB
    SKU:
    CC11AB
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    FACTORY RACING
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    TYPE:
    CLUTCH
    PRODUCT NAME:
    COVER
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - CR250 CC02B

    BOYESEN Clutch Cover - Black - CR250 CC02B

    BOYESEN

    $95.95
    A factory clutch cover replacement isn't just about aesthetics—it's about maintaining the seal integrity that keeps your CR250 running clean and reliable. BOYESEN's lightweight design cuts rotational...
    CC02B
    SKU:
    CC02B
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    PRODUCT NAME:
    COVER
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - CR250 CC-02AB

    BOYESEN Clutch Cover - Black - CR250 CC-02AB

    BOYESEN

    $95.95
    A clutch cover serves as both a protective barrier and a visual statement on your CR250. The BOYESEN Lightweight Clutch Cover combines race-proven durability with a factory-quality finish,...
    CC02AB
    SKU:
    CC02AB
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    COVER
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - CR125 CC01B

    BOYESEN Clutch Cover - Black - CR125 CC01B

    BOYESEN

    $95.95
    A lightweight clutch cover is essential for reducing unsprung weight and improving your CR125's overall performance dynamics. The BOYESEN Clutch Cover delivers factory-grade protection without the...
    CC01B
    SKU:
    CC01B
    Availability:
    Ships Same Business Day
    Weight:
    0.94 LBS
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    COVER
    COLOR/FINISH:
    POWDER-COATED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - CR125 CC01AB

    BOYESEN Clutch Cover - Black - CR125 CC01AB

    BOYESEN

    $95.95
    A factory-spec clutch cover that combines lightweight construction with race-proven durability—perfect for CR125 riders who demand both performance and reliability. The individually surfaced design...
    CC01AB
    SKU:
    CC01AB
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Racing Reed - RM250 '01 699

    BOYESEN Racing Reed - RM250 '01 699

    BOYESEN

    $39.95
    Boyesen Racing Reeds deliver measurable flow improvements across your entire power band, translating to faster acceleration and more responsive throttle feel from launch to redline. Laboratory flow...
    699
    SKU:
    699
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    YELLOW
    MATERIAL:
    FIBERGLASS
    MODEL:
    POWER REED
    TYPE:
    DUAL STAGE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • BOYESEN Racing Reed - RM125 '01-'02 698

    BOYESEN Racing Reed - RM125 '01-'02 698

    BOYESEN

    $39.95
    Boyesen Racing Reeds optimize your RM125's breathing efficiency across the entire RPM band, translating directly to sharper throttle response and stronger mid-range power. Laboratory flow analysis...
    698
    SKU:
    698
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BASE COLOR:
    YELLOW
    MATERIAL:
    FIBERGLASS
    MODEL:
    POWER REED
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    PRODUCT NAME:
    REED PETAL
    RIDING STYLE:
    OFF-ROAD
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • BOYESEN Racing Reed - YZ125 '01-'02 697

    BOYESEN Racing Reed - YZ125 '01-'02 697

    BOYESEN

    $39.95
    Reed valve performance directly impacts your YZ125's throttle response and overall engine efficiency across the entire RPM range. Boyesen's dual-stage reed design has been laboratory-validated to...
    697
    SKU:
    697
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    BASE COLOR:
    YELLOW
    MATERIAL:
    FIBERGLASS
    TYPE:
    DUAL STAGE
    MODEL:
    POWER REED
    RIDING STYLE:
    OFF-ROAD
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • BOYESEN Racing Reeds - CR250 '01 696

    BOYESEN Racing Reeds - CR250 '01 696

    BOYESEN

    $39.95
    A stock reed valve is a bottleneck in your CR250's intake system—it restricts flow when your engine demands maximum fuel charge. Boyesen's dual-stage reed design eliminates this constraint, enabling...
    696
    SKU:
    696
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    MATERIAL:
    FIBERGLASS
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MODEL:
    POWER REED
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • BOYESEN Racing Reed - CR125 '01-'02 695

    BOYESEN Racing Reed - CR125 '01-'02 695

    BOYESEN

    $39.95
    Stock reeds limit your CR125's potential across the entire RPM band. Boyesen's dual-stage reed design has been laboratory-validated to deliver superior flow velocity, unlocking measurable gains in...
    695
    SKU:
    695
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    SET
    BASE COLOR:
    YELLOW
    MATERIAL:
    FIBERGLASS
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    POWER REED
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • BOYESEN Racing Reeds - YZ125 694

    BOYESEN Racing Reeds - YZ125 694

    BOYESEN

    $39.95
    Standard reed valves restrict flow across your powerband, leaving performance on the table—especially during critical start-up and mid-range acceleration phases. Boyesen's dual-stage reed design has...
    694
    SKU:
    694
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MODEL:
    POWER REED
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    MATERIAL:
    FIBERGLASS
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER