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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 - Kawasaki 26-1419

    MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1419

    MOOSE RACING

    $56.51
    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
    10030863
    SKU:
    10030863
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    CARBURETOR
    $56.51
    Qty in Cart: 0
    Quantity:
    Price:
    $56.51
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Yamaha 26-1439

    MOOSE RACING Carburetor Repair Kit - Yamaha 26-1439

    MOOSE RACING

    $60.55
    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
    10030864
    SKU:
    10030864
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    $60.55
    Qty in Cart: 0
    Quantity:
    Price:
    $60.55
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Green - Kawasaki KAW-62-GR

    MOOSE RACING Radiator Hose Kit - Green - Kawasaki KAW-62-GR

    MOOSE RACING

    $111.95
    Manufactured by Samco® Sport UK - the world leader in silicone hose, with over 20 years experience, Hand wrapped and 100% visually inspected in the UK, European grade hi-temperature silicone guaranteed to 356°F, Smooth flow and improved insulation...
    19021555
    SKU:
    19021555
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    GREEN
    TYPE:
    RADIATOR
    STYLE:
    RACE BIKE DESIGN
    UNITS:
    KIT
    FEATURES:
    WITHOUT CLAMPS
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    HOSE KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Blue - Kawasaki KAW-63-BL

    MOOSE RACING Radiator Hose Kit - Blue - Kawasaki KAW-63-BL

    MOOSE RACING

    $115.95
    Manufactured by Samco® Sport UK - the world leader in silicone hose, with over 20 years experience, Hand wrapped and 100% visually inspected in the UK, European grade hi-temperature silicone guaranteed to 356°F, Smooth flow and improved insulation...
    19021556
    SKU:
    19021556
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    PRODUCT NAME:
    HOSE KIT
    TYPE:
    RADIATOR
    COLOR/FINISH:
    BLUE
    FEATURES:
    WITHOUT CLAMPS
    MATERIAL:
    SILICONE
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    RACE BIKE DESIGN
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $115.95
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Orange - KTM KTM-13-OR

    MOOSE RACING Radiator Hose Kit - Orange - KTM KTM-13-OR

    MOOSE RACING

    $192.95
    Manufactured by Samco® Sport UK - the world leader in silicone hose, with over 20 years experience, Hand wrapped and 100% visually inspected in the UK, European grade hi-temperature silicone guaranteed to 356°F, Smooth flow and improved insulation...
    19021557
    SKU:
    19021557
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    PRODUCT NAME:
    HOSE KIT
    RIDING STYLE:
    STREET
    STYLE:
    OEM DESIGN
    UNITS:
    KIT
    COLOR/FINISH:
    ORANGE
    MATERIAL:
    SILICONE
    TYPE:
    RADIATOR
    Qty in Cart: 0
    Quantity:
    Price:
    $192.95
    Subtotal:
  • UNI FILTER Filter - Husqvarna NU-1008ST

    UNI FILTER Filter - Husqvarna NU-1008ST

    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,...
    NU1008ST
    SKU:
    NU1008ST
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    MODEL:
    ULTRA-SEAL
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    BASE COLOR:
    RED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    FILTER SHAPE:
    ROUND
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Large Filter - KTM 50 '98 NU-1409ST

    UNI FILTER Large Filter - KTM 50 '98 NU-1409ST

    UNI FILTER

    $23.95
    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,...
    NU1409ST
    SKU:
    NU1409ST
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    BASE COLOR:
    BLACK
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA STYLE:
    DUAL-LAYER
    STYLE:
    COMPETITION
    UNITS:
    EACH
    FILTER SHAPE:
    OVAL
    TYPE:
    STAGE II
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • UNI FILTER Filter - KTM NU-1413ST

    UNI FILTER Filter - KTM NU-1413ST

    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,...
    NU1413ST
    SKU:
    NU1413ST
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    MODEL:
    UNI-SEAL
    BASE COLOR:
    RED
    FILTER SHAPE:
    ROUND
    PRODUCT NAME:
    AIR FILTER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Filter - XR650R NU-4130ST

    UNI FILTER Filter - XR650R NU-4130ST

    UNI FILTER

    $47.95
    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,...
    NU4130ST
    SKU:
    NU4130ST
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    FEATURES:
    WASHABLE
    FILTER SHAPE:
    PANEL
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    UNITS:
    EACH
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    UNIQUE
    MODEL:
    ULTRA-SEAL
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • UNI FILTER Air Filter - Yamaha NU-2221ST

    UNI FILTER Air Filter - Yamaha NU-2221ST

    UNI FILTER

    $51.95
    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,...
    10112521
    SKU:
    10112521
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    RED
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    RIDING STYLE:
    STREET
    BASE COLOR:
    RED
    TYPE:
    STAGE II
    FILTER SHAPE:
    CYLINDER
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $51.95
    Subtotal:
  • UNI FILTER Filter - KX/KDX NU-2345ST

    UNI FILTER Filter - KX/KDX NU-2345ST

    UNI FILTER

    $31.95
    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,...
    NU2345ST
    SKU:
    NU2345ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    STYLE:
    COMPETITION
    UNITS:
    EACH
    MODEL:
    UNI-SEAL
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER SHAPE:
    TRIANGULAR
    TYPE:
    MULTI STAGE
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • UNI FILTER Filter - RM250 NU-2447ST

    UNI FILTER Filter - RM250 NU-2447ST

    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,...
    NU2447ST
    SKU:
    NU2447ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    RED
    FILTER SHAPE:
    OVAL
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Filter - RM125/250 NU-2456ST

    UNI FILTER Filter - RM125/250 NU-2456ST

    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,...
    NU2456ST
    SKU:
    NU2456ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    FEATURES:
    WASHABLE
    FILTER SHAPE:
    CYLINDER
    TYPE:
    STAGE II
    UNITS:
    EACH
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    TAPERED
    MODEL:
    ULTRA-SEAL
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    COMPETITION
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • UNI FILTER Filter - XR200/250 Miscellaneous NU-4073ST

    UNI FILTER Filter - XR200/250 Miscellaneous NU-4073ST

    UNI FILTER

    $42.95
    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,...
    NU4073ST
    SKU:
    NU4073ST
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    MODEL:
    ULTRA-SEAL
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER SHAPE:
    RECTANGULAR
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $42.95
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • UNI FILTER Filter - CR125/250 NU-4078ST

    UNI FILTER Filter - CR125/250 NU-4078ST

    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,...
    NU4078ST
    SKU:
    NU4078ST
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    FEATURES:
    WASHABLE
    FILTER SHAPE:
    CYLINDER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER MEDIA MATERIAL:
    FOAM
    BASE COLOR:
    RED
    MODEL:
    UNI-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Filter - CRF150/230F NU-4137ST

    UNI FILTER Filter - CRF150/230F NU-4137ST

    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,...
    NU4137ST
    SKU:
    NU4137ST
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    UNI-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    FILTER SHAPE:
    RECTANGULAR
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • UNI FILTER Air Filter - Suzuki DR650 NU-2488ST

    UNI FILTER Air Filter - Suzuki DR650 NU-2488ST

    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,...
    10110765
    SKU:
    10110765
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    BASE COLOR:
    RED
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    UNITS:
    EACH
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    TEARDROP
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • UNI FILTER Air Filter - Honda XR200 NU-4058ST

    UNI FILTER Air Filter - Honda XR200 NU-4058ST

    UNI FILTER

    $21.95
    Airflow Filtration System Advanced open-cell polyurethane design for optimal airflow. Superior filtration capabilities to ensure clean air quality. Lightweight and durable construction for long-lasting use. Manufactured in the U.S.A...
    10113317
    SKU:
    10113317
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • UNI FILTER Air Filter - Bultaco Alpina NU-3208

    UNI FILTER Air Filter - Bultaco Alpina NU-3208

    UNI FILTER

    $21.95
    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,...
    10112497
    SKU:
    10112497
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLUE
    FILTER SHAPE:
    TRAPEZOID
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    MODEL:
    UNI-SEAL
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • UNI FILTER Air Filter - Honda CR125 '75 NU-4022ST

    UNI FILTER Air Filter - Honda CR125 '75 NU-4022ST

    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,...
    10112502
    SKU:
    10112502
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    RED
    STYLE:
    STANDARD
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER SHAPE:
    CYLINDER
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER SHAPE:
    OVAL
    TYPE:
    STAGE II
    FILTER MEDIA STYLE:
    DUAL-LAYER
    UNITS:
    EACH
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    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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