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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
  • MOOSE RACING Carburetor Repair Kit - KTM 26-10051

    MOOSE RACING Carburetor Repair Kit - KTM 26-10051

    MOOSE RACING

    $40.35
    Each kit contains all necessary gaskets, O-rings, float valve and jets, Supplied to Moose Racing by the same supplier the OEMs use, Complete kits to rebuild OEM carburetors
    10031869
    SKU:
    10031869
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    CARBURETOR
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    High-Performance Air Filter Effortlessly clean with grease-cutting dishwashing detergent. Reusable design allows for indefinite cleaning and oiling. Two-stage air filters enhance airflow and ensure thorough cleaning. Features Ultra Seal...
    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
    High-Performance Air Filter Effortlessly clean with grease-cutting dishwashing detergent. Reusable design allows for indefinite cleaning and oiling. Two-stage air filters enhance airflow and ensure thorough cleaning. Features Ultra Seal...
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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

    $18.95
    Specially formulated adhesives are not affected by gas and oil, Neoprene gasket adheres to air filter rim inside bike's airbox, Does away with the hassle and mess of air filter grease
    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
    $18.95
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • PC RACING Pro Seal - KTM PC53 PC RACING Pro Seal - KTM PC53

    PC RACING Pro Seal - KTM PC53

    PC RACING

    $18.95
    Specially formulated adhesives are not affected by gas and oil, Neoprene gasket adheres to air filter rim inside bike's airbox, Does away with the hassle and mess of air filter grease
    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
    $18.95
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    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
    Experience superior filtration and airflow with our innovative dual-stage design, engineered to prevent fine dirt and dust from entering your environment. Crafted from high-quality, chemical-resistant polyester foam, this reusable filter combines...
    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
    Advanced Air Filtration System Discover unparalleled air quality with our Advanced Air Filtration System, meticulously engineered to capture even the tiniest particles while promoting optimal airflow. Ideal for both residential and industrial...
    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
    Advanced Air Filtration System Discover unparalleled air quality with our Advanced Air Filtration System, meticulously engineered to capture even the tiniest particles while promoting optimal airflow. Ideal for both residential and industrial...
    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
    Experience superior filtration and airflow with our innovative dual-stage design, engineered to prevent fine dirt and dust from entering your environment. Crafted from high-quality, chemical-resistant polyester foam, this reusable filter combines...
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    $37.95
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...
    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
    Extremely thin and durable material allows maximum airflow while trapping 90% of airborne dirt, This filter cover makes servicing easy; just change the cover, Come in a dust-free storage bag; three per package, Fit all foam and gauze filters, Reusable
    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
    Heavy-duty, 4mm thick 5052 aluminum, to protect expensive and fragile radiators from side impacts and twisting, Include all necessary mounting hardware and instructions, Will not work with oversized gas tanks, Made in the U.S.A.
    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
    $109.95
    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

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