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Dirt Bike Air and Fuel

Dirt Bike Air and Fuel

Dirt Bike Air and Fuel

Dirt Bike Air & Fuel Systems at JJ Motorsports

Optimize your bike’s performance with high-quality air and fuel components from JJ Motorsports. Browse air filters, carburetors, and fuel system parts engineered to deliver clean airflow and a consistent fuel mix for peak efficiency. Ensure your bike runs smoothly by pairing these with other essential off-road dirt bike accessories.

Shop trusted brands like Motion Pro for cables and Uni Filter for high-flow filters. Explore related categories such as Dirt Bike Engine Parts for rebuilds or Dirt Bike Exhaust for complete tuning.

Top Dirt Bike Air & Fuel Products

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BOYESEN Single-Stage Reed - Carbon - KX125 '03 SSC111

    BOYESEN Single-Stage Reed - Carbon - KX125 '03 SSC111

    BOYESEN

    $50.95
    Snowmobile Super Stock Reeds SSC111 Designed specifically for snowmobiles, ensuring optimal fit and performance. Packaged as complete cylinder sets, with one set needed per cylinder. Durable construction for extended lifespan, providing...
    SSC111
    SKU:
    SSC111
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET
    MATERIAL:
    CARBON
    MODEL:
    SUPER STOCK
    PRODUCT NAME:
    REED PETAL
    $50.95
    Qty in Cart: 0
    Quantity:
    Price:
    $50.95
    Subtotal:
  • BOYESEN Single-Stage Reed - Carbon - Honda Mx/ATV SSC102

    BOYESEN Single-Stage Reed - Carbon - Honda Mx/ATV SSC102

    BOYESEN

    $50.95
    Snowmobile Super Stock Reeds SSC102 Packaged as a complete cylinder set for easy installation. One set required per cylinder, ensuring optimal performance. Durable design offers longer lifespan compared to other stock or carbon reeds. ...
    SSC102
    SKU:
    SSC102
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MODEL:
    SUPER STOCK
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET
    MATERIAL:
    CARBON
    PRODUCT NAME:
    REED PETAL
    RIDING STYLE:
    UTV
    $50.95
    Qty in Cart: 0
    Quantity:
    Price:
    $50.95
    Subtotal:
  • BOYESEN Single-Stage Reed - Carbon - CR125 '01-'02 SSC101

    BOYESEN Single-Stage Reed - Carbon - CR125 '01-'02 SSC101

    BOYESEN

    $50.95
    Snowmobile Super Stock Reeds SSC101 Designed as complete cylinder sets for optimal performance. One set required per cylinder, ensuring simplicity in installation. Offers superior longevity and value compared to standard or carbon reeds. ...
    SSC101
    SKU:
    SSC101
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MATERIAL:
    CARBON
    MODEL:
    SUPER STOCK
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    $50.95
    Qty in Cart: 0
    Quantity:
    Price:
    $50.95
    Subtotal:
  • BOYESEN Single-Stage Reed - Carbon - KTM 250/300/360/380 SSC042

    BOYESEN Single-Stage Reed - Carbon - KTM 250/300/360/380 SSC042

    BOYESEN

    $50.95
    Snowmobile Super Stock reeds are packaged as Cylinder sets. One set is required per cylinder, Last longer and better value than other stock or carbon reeds on the market, Carbon or fiber single-stage replacement reeds, Enhance performance at all rpm,...
    SSC042
    SKU:
    SSC042
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    CARBON
    MODEL:
    SUPER STOCK
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $50.95
    Subtotal:
  • BOYESEN Single-Stage Reed - Carbon - KTM 125/200 SSC041

    BOYESEN Single-Stage Reed - Carbon - KTM 125/200 SSC041

    BOYESEN

    $50.95
    Snowmobile Super Stock Reeds SSC041 Designed specifically for snowmobiles, ensuring optimal fit and performance. Sold as complete cylinder sets, with one set needed per cylinder. Durable construction that outlasts standard and carbon reeds...
    SSC041
    SKU:
    SSC041
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MATERIAL:
    CARBON
    MODEL:
    SUPER STOCK
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    $50.95
    Qty in Cart: 0
    Quantity:
    Price:
    $50.95
    Subtotal:
  • BOYESEN Single-Stage Reed - Carbon - KTM 50/65SX SSC040

    BOYESEN Single-Stage Reed - Carbon - KTM 50/65SX SSC040

    BOYESEN

    $39.95
    Snowmobile Super Stock Reeds - SSC040 Packaged as complete cylinder sets for easy installation. One set required per cylinder, ensuring optimal performance. Durable construction for longevity, offering better value than competitors. ...
    SSC040
    SKU:
    SSC040
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MODEL:
    SUPER STOCK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET
    MATERIAL:
    CARBON
    PRODUCT NAME:
    REED PETAL
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • BOYESEN Radiator Valve - RM250 '93 RAD24A

    BOYESEN Radiator Valve - RM250 '93 RAD24A

    BOYESEN

    $179.95
    Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Provide quicker, sharper throttle response and more horsepower throughout rpm range, Specially-designed reed cage holds Boyesen's patented...
    RAD24A
    SKU:
    RAD24A
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    REED CAGE ASSEMBLY
    TYPE:
    DUAL STAGE
    COLOR/FINISH:
    SILVER
    MODEL:
    RAD VALVE
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • BOYESEN Radiator Valve - RM250 '90-'92 RAD-24

    BOYESEN Radiator Valve - RM250 '90-'92 RAD-24

    BOYESEN

    $179.95
    Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Provide quicker, sharper throttle response and more horsepower throughout rpm range, Specially-designed reed cage holds Boyesen's patented...
    RAD24
    SKU:
    RAD24
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    REED CAGE ASSEMBLY
    COLOR/FINISH:
    SILVER
    MODEL:
    RAD VALVE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    UNITS:
    EACH
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • BOYESEN Radiator Valve RM125 '01 RAD21G

    BOYESEN Radiator Valve RM125 '01 RAD21G

    BOYESEN

    $179.95
    Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Provide quicker, sharper throttle response and more horsepower throughout rpm range, Specially-designed reed cage holds Boyesen's patented...
    RAD21G
    SKU:
    RAD21G
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    MODEL:
    RAD VALVE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    COLOR/FINISH:
    SILVER
    UNITS:
    EACH
    PRODUCT NAME:
    REED CAGE ASSEMBLY
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CARBON FIBER
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • BOYESEN Radiator Valve - RM125 RAD21F

    BOYESEN Radiator Valve - RM125 RAD21F

    BOYESEN

    $179.95
    Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Provide quicker, sharper throttle response and more horsepower throughout rpm range, Specially-designed reed cage holds Boyesen's patented...
    RAD21F
    SKU:
    RAD21F
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    PRODUCT NAME:
    REED CAGE ASSEMBLY
    COLOR/FINISH:
    SILVER
    MODEL:
    RAD VALVE
    UNITS:
    EACH
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CARBON FIBER
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • BOYESEN Radiator Valve - RM125 '92-'93 RAD-21A

    BOYESEN Radiator Valve - RM125 '92-'93 RAD-21A

    BOYESEN

    $179.95
    Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Provide quicker, sharper throttle response and more horsepower throughout rpm range, Specially-designed reed cage holds Boyesen's patented...
    RAD21A
    SKU:
    RAD21A
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    PRODUCT NAME:
    REED CAGE ASSEMBLY
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CARBON FIBER
    COLOR/FINISH:
    SILVER
    MODEL:
    RAD VALVE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    UNITS:
    EACH
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • BOYESEN Radiator Valve - RM80 '94-'00 RAD20

    BOYESEN Radiator Valve - RM80 '94-'00 RAD20

    BOYESEN

    $169.95
    Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Provide quicker, sharper throttle response and more horsepower throughout rpm range, Specially-designed reed cage holds Boyesen's patented...
    RAD20
    SKU:
    RAD20
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    REED CAGE ASSEMBLY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    MATERIAL:
    ALUMINUM
    MODEL:
    RAD VALVE
    UNITS:
    EACH
    MATERIAL:
    CARBON FIBER
    $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    $169.95
    Subtotal:
  • BOYESEN Radiator Valve - KDX200/220 RAD14XA

    BOYESEN Radiator Valve - KDX200/220 RAD14XA

    BOYESEN

    $179.95
    Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Provide quicker, sharper throttle response and more horsepower throughout rpm range, Specially-designed reed cage holds Boyesen's patented...
    RAD14XA
    SKU:
    RAD14XA
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    MODEL:
    RAD VALVE
    TYPE:
    DUAL STAGE
    UNITS:
    EACH
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CARBON FIBER
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    REED CAGE ASSEMBLY
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD42 PSR23

    BOYESEN Pro Series Reed for RAD42 PSR23

    BOYESEN

    $64.95
    The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can...
    PRO23
    SKU:
    PRO23
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    CARBON FIBER
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • On Sale
    BOYESEN Pro Series Reed for RAD41 PSR22

    BOYESEN Pro Series Reed for RAD41 PSR22

    BOYESEN

    MSRP: $64.95
    Now: $42.00
    Was: $64.95
    The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can...
    PRO22
    SKU:
    PRO22
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    MODEL:
    PRO SERIES
    BASE COLOR:
    YELLOW
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    REED PETAL
    UNITS:
    SET
    MSRP: $64.95
    Now: $42.00
    Was: $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $64.95
    Now: $42.00
    Was: $64.95
    Subtotal:
  • BOYESEN Pro Series Reed for RAD34B PSR20

    BOYESEN Pro Series Reed for RAD34B PSR20

    BOYESEN

    $64.95
    The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can...
    PRO20
    SKU:
    PRO20
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    PRODUCT NAME:
    REED PETAL
    MATERIAL:
    CARBON FIBER
    BASE COLOR:
    YELLOW
    UNITS:
    SET
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DUAL STAGE
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • BOYESEN Pro Series Reed - KX250 '03 PRO-193

    BOYESEN Pro Series Reed - KX250 '03 PRO-193

    BOYESEN

    $62.95
    Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offer the quickest acceleration any reed can offer; maximizes...
    PRO193
    SKU:
    PRO193
    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 - KX125 '03 PRO-191

    BOYESEN Pro Series Reed - KX125 '03 PRO-191

    BOYESEN

    $62.95
    Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offer the quickest acceleration any reed can offer; maximizes...
    PRO191
    SKU:
    PRO191
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    REED PETAL
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • BOYESEN Pro Series Reed - RM250 '03 PRO-189

    BOYESEN Pro Series Reed - RM250 '03 PRO-189

    BOYESEN

    $62.95
    Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offer the quickest acceleration any reed can offer; maximizes...
    PRO189
    SKU:
    PRO189
    Availability:
    Ships Same Business Day
    Weight:
    0.10 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 for RAD12C PSR108

    BOYESEN Pro Series Reed for RAD12C PSR108

    BOYESEN

    $64.95
    The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can...
    PRO108
    SKU:
    PRO108
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    REED PETAL
    MODEL:
    PRO SERIES
    RIDING STYLE:
    OFF-ROAD
    $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    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

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