Select Your Ride

1
2
3

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
  • MOOSE RACING Carburetor Repair Kit - KTM 26-10051

    MOOSE RACING Carburetor Repair Kit - KTM 26-10051

    MOOSE RACING

    $40.35
    Carburetor wear and degradation are inevitable with extended use, and a failed rebuild can leave your KTM sidelined. This MOOSE RACING repair kit supplies OEM-equivalent gaskets, O-rings, float valves, and jets—sourced from the same suppliers used by KTM...
    10031869
    SKU:
    10031869
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    CARBURETOR
    $40.35
    Qty in Cart: 0
    Quantity:
    Price:
    $40.35
    Subtotal:
  • UNI FILTER Filter  - YZ80 NU-2272ST

    UNI FILTER Filter - YZ80 NU-2272ST

    UNI FILTER

    $33.95
    A quality air filter is fundamental to engine performance—it directly impacts airflow, throttle response, and engine longevity. The UNI FILTER YZ80 NU-2272ST delivers unrestricted airflow while maintaining superior dirt-stopping capability, giving you...
    NU2272ST
    SKU:
    NU2272ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    FILTER SHAPE:
    TRIANGULAR
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    UNITS:
    EACH
    MODEL:
    ULTRA-SEAL
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • UNI FILTER Air Filter - CRF250/450R NU-4145ST

    UNI FILTER Air Filter - CRF250/450R NU-4145ST

    UNI FILTER

    $37.95
    Reusable air filters cut your long-term costs while delivering consistent airflow and filtration performance across your riding season. The UNI FILTER NU-4145ST is engineered for the CRF250/450R with a two-stage design that maximizes air intake while...
    10113044
    SKU:
    10113044
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    FILTER MEDIA MATERIAL:
    FOAM
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    ROUND
    MODEL:
    ULTRA-SEAL
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Air Filter - Yamaha PW80 NU-3267ST

    UNI FILTER Air Filter - Yamaha PW80 NU-3267ST

    UNI FILTER

    $13.95
    Stock air filters restrict your PW80's breathing potential and need frequent replacement. The UNI FILTER NU-3267ST delivers superior airflow while trapping more dirt and debris, and its reusable design eliminates the expense of constant replacements...
    10113809
    SKU:
    10113809
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • UNI FILTER Air Filter - Arctic Cat NU-8611ST

    UNI FILTER Air Filter - Arctic Cat NU-8611ST

    UNI FILTER

    $28.95
    A clogged or restrictive air filter directly limits your engine's breathing capacity, robbing you of power and efficiency. The UNI FILTER NU-8611ST delivers maximum airflow while maintaining superior filtration, keeping dirt and debris out without...
    10113810
    SKU:
    10113810
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $28.95
    Qty in Cart: 0
    Quantity:
    Price:
    $28.95
    Subtotal:
  • UNI FILTER Air Filter - Yamaha Grizzly/Kodiak NU-3268ST

    UNI FILTER Air Filter - Yamaha Grizzly/Kodiak NU-3268ST

    UNI FILTER

    $33.95
    Stock air filters restrict airflow and demand frequent replacement—costly downtime you don't need. The UNI FILTER NU-3268ST delivers unrestricted airflow while stopping dirt more effectively than OEM, and because it's washable and reusable, you'll...
    10113811
    SKU:
    10113811
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • PC RACING Pro Seal - CRF450R/RX PC24

    PC RACING Pro Seal - CRF450R/RX PC24

    PC RACING

    $19.95
    A properly sealed airbox is fundamental to engine performance—air leaks compromise fuel mapping and cost you measurable horsepower. The PC Racing Pro Seal eliminates the mess and guesswork of traditional air filter grease by using a neoprene gasket with...
    10113980
    SKU:
    10113980
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    NEOPRENE
    BASE COLOR:
    BLACK
    TYPE:
    AIR FILTER
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PC RACING Pro Seal - KTM PC53 PC RACING Pro Seal - KTM PC53

    PC RACING Pro Seal - KTM PC53

    PC RACING

    $19.95
    A properly sealed airbox prevents unfiltered air from bypassing your filter element, which compromises engine performance and accelerates wear on internal components. The PC Racing Pro Seal eliminates messy traditional filter grease with a neoprene...
    10113629
    SKU:
    10113629
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    TYPE:
    AIR FILTER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    MATERIAL:
    NEOPRENE
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Pro Filter Air Filter for Yamaha YZ450F 2010-2013 MTX-2010-00 Pro Filter Air Filter for Yamaha YZ450F 2010-2013 MTX-2010-00

    Pro Filter Air Filter for Yamaha YZ450F 2010-2013 MTX-2010-00

    PRO FILTER

    $26.99
    A clogged or deteriorating air filter kills engine performance and longevity on the track or trail. The Pro Filter Air Filter for Yamaha YZ450F delivers consistent, high-flow filtration that keeps your engine breathing cleanly lap after lap, without...
    10112705
    SKU:
    10112705
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • Pro Filter Air Filter for Suzuki DR-Z400S 2000-2024 MTX-3403-00 Pro Filter Air Filter for Suzuki DR-Z400S 2000-2024 MTX-3403-00

    Pro Filter Air Filter for Suzuki DR-Z400S 2000-2024 MTX-3403-00

    PRO FILTER

    $26.99
    The DR-Z400S demands reliable air filtration to maintain peak engine performance, especially in dusty trail and desert conditions where stock filters struggle. This Pro Filter delivers superior dirt retention without the airflow restriction that...
    10112714
    SKU:
    10112714
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • Pro Filter Premium Air Filter for Suzuki RM125 1999-2003 MTX-4001-00 Pro Filter Premium Air Filter for Suzuki RM125 1999-2003 MTX-4001-00

    Pro Filter Premium Air Filter for Suzuki RM125 1999-2003 MTX-4001-00

    PRO FILTER

    $26.99
    Peak engine performance starts with clean air. The Pro Filter Premium Air Filter for Suzuki RM125 delivers superior filtration without the airflow restriction that chokes stock filters, keeping your engine breathing freely through every race season. Its...
    10112715
    SKU:
    10112715
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • Pro Filter Premium Air Filter Suzuki RM85 2002-2023 MTX-4002-00 Pro Filter Premium Air Filter Suzuki RM85 2002-2023 MTX-4002-00

    Pro Filter Premium Air Filter Suzuki RM85 2002-2023 MTX-4002-00

    PRO FILTER

    $26.99
    A clean, unrestricted airflow path is fundamental to peak engine performance on the track or trail. The Pro Filter Premium Air Filter for your RM85 combines efficient multi-stage filtration with minimal restriction, keeping fine dirt and dust out while...
    10112717
    SKU:
    10112717
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • UNI FILTER Filter - Honda NU-4052ST

    UNI FILTER Filter - Honda NU-4052ST

    UNI FILTER

    $35.95
    A quality air filter directly impacts engine efficiency, throttle response, and longevity—especially in high-demand driving conditions. The UNI FILTER NU-4052ST delivers superior airflow without sacrificing filtration, allowing your engine to breathe...
    NU4052ST
    SKU:
    NU4052ST
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    FILTER MEDIA MATERIAL:
    FOAM
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    ROUND
    MODEL:
    ULTRA-SEAL
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • UNI FILTER Filter - Honda CR60/80R NU-4064ST

    UNI FILTER Filter - Honda CR60/80R NU-4064ST

    UNI FILTER

    $32.95
    Stock air filters restrict airflow and require replacement every season—the UNI FILTER NU-4064ST eliminates both problems. This reusable, two-stage filter delivers superior airflow while trapping more dirt, giving your CR60/80R the clean air it needs for...
    NU4064ST
    SKU:
    NU4064ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    UNITS:
    EACH
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER SHAPE:
    ROUND
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • UNI FILTER Filter - Honda NU-4103ST

    UNI FILTER Filter - Honda NU-4103ST

    UNI FILTER

    $37.95
    A quality air filter is fundamental to engine performance—it directly impacts horsepower delivery, fuel efficiency, and engine longevity. The UNI FILTER NU-4103ST delivers high-flow filtration without sacrificing dirt-stopping capability, giving you the...
    NU4103ST
    SKU:
    NU4103ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    FILTER SHAPE:
    CYLINDER
    STYLE:
    COMPETITION
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    TYPE:
    STAGE II
    UNITS:
    EACH
    MODEL:
    ULTRA-SEAL
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Air Filter - Honda NU-4148ST

    UNI FILTER Air Filter - Honda NU-4148ST

    UNI FILTER

    $37.95
    The UNI FILTER Air Filter NU-4148ST delivers measurable airflow improvements while maintaining OEM-level fitment in your Honda's stock airbox. Unlike disposable filters, this reusable design cuts operating costs over time while providing superior...
    10113957
    SKU:
    10113957
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    FILTER MEDIA STYLE:
    DUAL-LAYER
    UNITS:
    EACH
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    ULTRA-SEAL
    RIDING STYLE:
    OFF-ROAD
    FILTER SHAPE:
    OVAL
    TYPE:
    STAGE II
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    STYLE:
    STANDARD
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Air Filter - YZ450/250F/X NU-3270ST

    UNI FILTER Air Filter - YZ450/250F/X NU-3270ST

    UNI FILTER

    $37.95
    Stock air filters restrict flow and require frequent replacement—the UNI FILTER NU-3270ST eliminates both problems. This two-stage design delivers superior airflow while trapping more dirt, meaning better throttle response and longer service intervals...
    10114113
    SKU:
    10114113
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    MODEL:
    ULTRA-SEAL
    RIDING STYLE:
    OFF-ROAD
    FILTER SHAPE:
    TRAPEZOID
    TYPE:
    MULTI STAGE
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    STYLE:
    COMPETITION
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Air Filter - Sherco NU-3808ST

    UNI FILTER Air Filter - Sherco NU-3808ST

    UNI FILTER

    $38.95
    A quality air filter is the first line of defense between your engine and contamination—and the UNI FILTER NU-3808ST delivers uncompromised airflow while capturing dirt with proven reliability. Built for Sherco applications, this two-stage design...
    10114515
    SKU:
    10114515
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA STYLE:
    DUAL-LAYER
    MODEL:
    ULTRA-SEAL
    FEATURES:
    WASHABLE
    FILTER SHAPE:
    PANEL
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    UNITS:
    EACH
    $38.95
    Qty in Cart: 0
    Quantity:
    Price:
    $38.95
    Subtotal:
  • PC RACING Filterskins PC-1386

    PC RACING Filterskins PC-1386

    PC RACING

    $15.95
    Air filter covers protect your intake system from debris while maintaining the airflow your engine demands. The PC Racing Filterskins PC-1386 eliminates the need for complete filter replacements by offering a reusable, serviceable outer layer that traps...
    PC1386
    SKU:
    PC1386
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    WHITE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    COLOR/FINISH:
    WHITE
    RIDING STYLE:
    ATV
    FEATURES:
    WASHABLE
    FILTER HEIGHT METRIC:
    102.00 MM - 178.00 MM
    PRODUCT NAME:
    FILTER WRAP
    RIDING STYLE:
    UTV
    UNITS:
    3 PACK
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • MOOSE RACING Radiator Brace - KTM - 4-Stroke 11-200

    MOOSE RACING Radiator Brace - KTM - 4-Stroke 11-200

    MOOSE RACING

    $109.95
    Radiator damage is expensive, downtime is costly, and a single side impact can end your race day before it starts. The MOOSE RACING Radiator Brace for KTM 4-stroke bikes provides serious protection against the twisting forces and lateral impacts that...
    19010136
    SKU:
    19010136
    Availability:
    Ships Same Business Day
    Weight:
    2.54 LBS
    RIDING STYLE:
    STREET
    MATERIAL:
    5052 ALUMINUM
    UNITS:
    SET
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    BRACE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RADIATOR
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    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