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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
  • UNI FILTER Air Filter - KLX450R NU-2334ST

    UNI FILTER Air Filter - KLX450R NU-2334ST

    UNI FILTER

    $37.95
    Stock air filters compromise airflow while sacrificing durability—the UNI FILTER NU-2334ST eliminates this trade-off by delivering superior filtration without restricting your engine's breathing. Two-stage construction and a grease-sealed design mean...
    10111076
    SKU:
    10111076
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    MODEL:
    ULTRA-SEAL
    STYLE:
    COMPETITION
    FILTER SHAPE:
    TRIANGULAR
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    STAGE II
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • Pro Filter Pre-Oiled Air Filter for Honda CRF100F 2004-2013 AFR-1007-00

    Pro Filter Pre-Oiled Air Filter for Honda CRF100F 2004-2013 AFR-1007-00

    PRO FILTER

    $12.99
    A stock air filter restricts airflow and leaves horsepower on the table. The Pro Filter AFR-1007-00 delivers measurable gains in intake flow and throttle response while maintaining reliable engine protection through its dual-stage foam design. Pre-oiled...
    10111752
    SKU:
    10111752
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLUE
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    PRE-OILED
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    MODEL:
    PROFILTER
    BASE COLOR:
    BLUE
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    Subtotal:
  • Pro Filter Air Filter Honda CRF450X 2019-2025 MTX-1004-01

    Pro Filter Air Filter Honda CRF450X 2019-2025 MTX-1004-01

    PRO FILTER

    $26.99
    A clogged or inefficient air filter directly reduces engine performance and increases wear on your CRF450X. The Pro Filter Air Filter uses dual-stage filtration to deliver maximum airflow while keeping fine dirt and dust out of your engine, ensuring...
    10114438
    SKU:
    10114438
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    FEATURES:
    WASHABLE
    UNITS:
    EACH
    BASE COLOR:
    WHITE
    COLOR/FINISH:
    BLUE
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Green - Kawasaki TCSKAW-58-GR

    MOOSE RACING Radiator Hose Kit - Green - Kawasaki TCSKAW-58-GR

    MOOSE RACING

    $170.95
    Factory radiator hoses degrade under sustained heat and pressure, compromising cooling efficiency and risking catastrophic engine damage. The MOOSE RACING Radiator Hose Kit replaces OEM hoses with premium silicone construction that withstands extreme...
    19020794
    SKU:
    19020794
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    PRODUCT NAME:
    HOSE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RADIATOR
    COLOR/FINISH:
    GREEN
    MATERIAL:
    SILICONE
    STYLE:
    OEM DESIGN
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $170.95
    Subtotal:
  • MOOSE RACING Radiator Brace - Honda 11-163

    MOOSE RACING Radiator Brace - Honda 11-163

    MOOSE RACING

    $79.95
    Your radiator is one of the most critical—and vulnerable—components in your engine bay. A side impact, aggressive cornering, or debris strike can compromise cooling integrity and leave you stranded. The MOOSE RACING Radiator Brace reinforces your...
    19010144
    SKU:
    19010144
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    TYPE:
    RADIATOR
    PRODUCT NAME:
    BRACE
    UNITS:
    SET
    COLOR/FINISH:
    SILVER
    MATERIAL:
    5052 ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Yamaha 26-1155

    MOOSE RACING Carburetor Repair Kit - Yamaha 26-1155

    MOOSE RACING

    $57.52
    A worn or contaminated carburetor can kill your engine's responsiveness and fuel economy. This Moose Racing repair kit gives you OEM-quality gaskets, seals, and jets without the dealer markup—letting you restore your Yamaha's original performance at a...
    10030757
    SKU:
    10030757
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    TYPE:
    CARBURETOR
    $57.52
    Qty in Cart: 0
    Quantity:
    Price:
    $57.52
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Yamaha 26-1205

    MOOSE RACING Carburetor Repair Kit - Yamaha 26-1205

    MOOSE RACING

    $43.38
    Carburetor performance degrades over time as gaskets harden, o-rings deteriorate, and jets accumulate fuel varnish—issues that compromise throttle response and fuel delivery. The MOOSE RACING Carburetor Repair Kit supplies OEM-equivalent components to...
    10030798
    SKU:
    10030798
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    CARBURETOR
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $43.38
    Qty in Cart: 0
    Quantity:
    Price:
    $43.38
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Yamaha 26-1778

    MOOSE RACING Carburetor Repair Kit - Yamaha 26-1778

    MOOSE RACING

    $54.49
    A carburetor that's running rich, lean, or surging will kill your bike's performance and reliability faster than a seized engine. This MOOSE RACING Carburetor Repair Kit gives you every gasket, O-ring, float valve, and jet needed to restore your Yamaha's...
    10031433
    SKU:
    10031433
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    CARBURETOR
    $54.49
    Qty in Cart: 0
    Quantity:
    Price:
    $54.49
    Subtotal:
  • MOOSE RACING Electric Fuel Injection Fuel Pump Rebuild Kit 47-2036-M

    MOOSE RACING Electric Fuel Injection Fuel Pump Rebuild Kit 47-2036-M

    MOOSE RACING

    $108.95
    A fuel pump rebuild kit lets you restore OEM performance and reliability without replacing the entire assembly, saving you money and downtime. If your fuel pump is showing signs of wear—hesitation under load, hard starts, or inconsistent fuel...
    10090095
    SKU:
    10090095
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    PRODUCT NAME:
    FUEL PUMP REBUILD KIT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $108.95
    Qty in Cart: 0
    Quantity:
    Price:
    $108.95
    Subtotal:
  • UNI FILTER Filter - CR125/250 '02-'07 NU-4135ST

    UNI FILTER Filter - CR125/250 '02-'07 NU-4135ST

    UNI FILTER

    $37.95
    Stock air filters restrict airflow and require frequent replacement—this UNI FILTER delivers superior filtration without sacrificing performance. The two-stage design maximizes air velocity while capturing dirt, giving your CR125/250 the clean,...
    NU4135ST
    SKU:
    NU4135ST
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    FILTER SHAPE:
    ROUND
    FILTER MEDIA MATERIAL:
    FOAM
    BASE COLOR:
    RED
    MODEL:
    UNI-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • PC RACING Floƒâ€š‚® Air Filter PCF1X PC RACING Floƒâ€š‚® Air Filter PCF1X

    PC RACING Floƒâ€š‚® Air Filter PCF1X

    PC RACING

    $34.95
    A quality air filter directly impacts your engine's breathing efficiency, fuel economy, and overall performance. The PC Racing Floß Air Filter PCF1X combines superior filtration with extended service life, allowing you to spend more time on the track and...
    10111870
    SKU:
    10111870
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    BASE COLOR:
    OFF-WHITE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    ODD
    TYPE:
    FLO®
    BASE COLOR:
    ORANGE
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    FILTER SHAPE:
    ROUND
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1543

    MOOSE RACING Carburetor Repair Kit - Honda 26-1543

    MOOSE RACING

    $48.43
    Carburetor performance degrades over time as gaskets harden, O-rings crack, and jets accumulate varnish—all issues that compromise throttle response and fuel atomization. This MOOSE RACING Carburetor Repair Kit supplies OEM-equivalent gaskets, O-rings,...
    10030927
    SKU:
    10030927
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    $48.43
    Qty in Cart: 0
    Quantity:
    Price:
    $48.43
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1545

    MOOSE RACING Carburetor Repair Kit - Honda 26-1545

    MOOSE RACING

    $45.40
    Carburetor performance degradation is inevitable—fuel varnish, worn seals, and stuck floats compromise throttle response and fuel delivery. This MOOSE RACING Carburetor Repair Kit gives you OEM-equivalent components to restore your Honda carburetor to...
    10030929
    SKU:
    10030929
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    TYPE:
    CARBURETOR
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    $45.40
    Qty in Cart: 0
    Quantity:
    Price:
    $45.40
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1546

    MOOSE RACING Carburetor Repair Kit - Honda 26-1546

    MOOSE RACING

    $52.47
    A carburetor that's running lean, rich, or leaking fuel will tank your engine's performance and reliability. This complete MOOSE RACING rebuild kit gives you OEM-quality gaskets, O-rings, float valves, and jets sourced from the same suppliers that equip...
    10030930
    SKU:
    10030930
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    $52.47
    Qty in Cart: 0
    Quantity:
    Price:
    $52.47
    Subtotal:
  • UNI FILTER Filter - KTM NU-1411ST

    UNI FILTER Filter - KTM NU-1411ST

    UNI FILTER

    $37.95
    Factory air filters compromise performance by restricting airflow and requiring frequent replacement. The UNI FILTER NU-1411ST delivers superior filtration without the hassle—it's engineered for maximum airflow while trapping dirt more effectively than...
    NU1411ST
    SKU:
    NU1411ST
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    MODEL:
    ULTRA-SEAL
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    RED
    FILTER SHAPE:
    ROUND
    PRODUCT NAME:
    AIR FILTER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Yamaha 26-1322

    MOOSE RACING Carburetor Repair Kit - Yamaha 26-1322

    MOOSE RACING

    $70.65
    When carburetor seals degrade and jets accumulate varnish, your bike loses throttle response and fuel economy. This complete rebuild kit from MOOSE Racing gives you OEM-equivalent gaskets, O-rings, and float components without the downtime of sourcing...
    10030839
    SKU:
    10030839
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $70.65
    Qty in Cart: 0
    Quantity:
    Price:
    $70.65
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1398

    MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1398

    MOOSE RACING

    $51.46
    Carburetor performance directly impacts throttle response, fuel delivery, and engine reliability—worn gaskets, degraded O-rings, and stuck floats are common culprits behind rough idle and poor acceleration. This MOOSE RACING rebuild kit supplies...
    10030850
    SKU:
    10030850
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $51.46
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1412

    MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1412

    MOOSE RACING

    $49.44
    Carburetor performance degrades over time due to fuel varnish, debris, and worn seals—a complete rebuild kit lets you restore full throttle response and fuel atomization without replacing the entire assembly. The MOOSE RACING 26-1412 kit supplies genuine...
    10030859
    SKU:
    10030859
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    $49.44
    Qty in Cart: 0
    Quantity:
    Price:
    $49.44
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1415

    MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1415

    MOOSE RACING

    $57.52
    A worn or deteriorating carburetor compromises fuel atomization and throttle response, directly impacting engine performance and reliability. This complete MOOSE RACING rebuild kit supplies OEM-grade components—the same gaskets, O-rings, float valves,...
    10030861
    SKU:
    10030861
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    TYPE:
    CARBURETOR
    $57.52
    Qty in Cart: 0
    Quantity:
    Price:
    $57.52
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1417

    MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1417

    MOOSE RACING

    $56.51
    Carburetor performance deteriorates over time—worn gaskets, stuck float valves, and degraded seals rob your engine of clean fuel atomization and precise mixture control. The MOOSE RACING Carburetor Repair Kit (26-1417) gives you everything needed to...
    10030862
    SKU:
    10030862
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    TYPE:
    CARBURETOR
    $56.51
    Qty in Cart: 0
    Quantity:
    Price:
    $56.51
    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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