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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
  • PC RACING Floƒâ€š‚® Air Filter PCF4X

    PC RACING Floƒâ€š‚® Air Filter PCF4X

    PC RACING

    $34.95
    A quality air filter is foundational to engine performance—it directly impacts airflow, combustion efficiency, and horsepower. The PC Racing Floâ„¢ Air Filter PCF4X delivers consistent, high-flow filtration through a dual-foam design that traps...
    10111873
    SKU:
    10111873
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    ODD
    FILTER SHAPE:
    ROUND
    UNITS:
    EACH
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FLO®
    BASE COLOR:
    BLACK
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • PC RACING Pro Seal - KTM SX/SXF '11 PC52

    PC RACING Pro Seal - KTM SX/SXF '11 PC52

    PC RACING

    $19.95
    Air filter sealing is critical to engine performance—any bypass allows unfiltered dirt into your combustion chamber, reducing power and accelerating wear. The PC Racing Pro Seal eliminates the mess and unreliability of traditional filter grease by using...
    10112288
    SKU:
    10112288
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    NEOPRENE
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    TYPE:
    AIR FILTER
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Suzuki 26-1541

    MOOSE RACING Carburetor Repair Kit - Suzuki 26-1541

    MOOSE RACING

    $45.40
    Carburetor performance directly impacts engine response, fuel economy, and reliability—and wear on internal components like gaskets, O-rings, and jets is inevitable with regular use. This MOOSE RACING rebuild kit supplies every gasket, seal, and jet...
    10030925
    SKU:
    10030925
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    CARBURETOR
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $45.40
    Qty in Cart: 0
    Quantity:
    Price:
    $45.40
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Suzuki 26-1542

    MOOSE RACING Carburetor Repair Kit - Suzuki 26-1542

    MOOSE RACING

    $53.48
    A worn or degraded carburetor compromises fuel atomization, throttle response, and overall engine performance—leaving you stranded or limping through races. This complete MOOSE RACING rebuild kit supplies OEM-equivalent gaskets, O-rings, float valves,...
    10030926
    SKU:
    10030926
    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:
    $53.48
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1544

    MOOSE RACING Carburetor Repair Kit - Honda 26-1544

    MOOSE RACING

    $47.42
    A worn or deteriorating carburetor can sabotage your engine's fuel delivery, causing poor throttle response, fuel leaks, and inconsistent performance. The MOOSE RACING Carburetor Repair Kit 26-1544 gives you everything needed to restore your Honda...
    10030928
    SKU:
    10030928
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $47.42
    Qty in Cart: 0
    Quantity:
    Price:
    $47.42
    Subtotal:
  • UNI FILTER Filter - Husqvarna 4 Stroke NU-1009ST

    UNI FILTER Filter - Husqvarna 4 Stroke NU-1009ST

    UNI FILTER

    $37.95
    The UNI FILTER NU-1009ST replaces disposable air filters with a reusable, high-flow design that delivers consistent performance while cutting long-term operating costs. Its two-stage construction and Ultra Seal grease groove maximize airflow and...
    NU1009ST
    SKU:
    NU1009ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    RED
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    FILTER MEDIA STYLE:
    DUAL-LAYER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    STYLE:
    COMPETITION
    UNITS:
    EACH
    FILTER SHAPE:
    RECTANGULAR
    TYPE:
    STAGE II
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Filter - KTM NU-1406ST

    UNI FILTER Filter - KTM NU-1406ST

    UNI FILTER

    $37.95
    If you're running your KTM hard, your stock air filter is costing you power and efficiency. The UNI Filter NU-1406ST delivers superior airflow while maintaining exceptional filtration—meaning more horsepower where it counts, without sacrificing engine...
    NU1406ST
    SKU:
    NU1406ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    UNIQUE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    FEATURES:
    WASHABLE
    FILTER SHAPE:
    ROUND
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STAGE II
    BASE COLOR:
    RED
    STYLE:
    COMPETITION
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Air Filter - KTM/Husqvarna NU-1412ST

    UNI FILTER Air Filter - KTM/Husqvarna NU-1412ST

    UNI FILTER

    $33.95
    Stock air filters restrict airflow and require frequent replacement—a costly cycle that impacts engine performance and your maintenance budget. The UNI FILTER NU-1412ST delivers superior airflow while trapping more dirt, and its washable design means...
    NU1412ST
    SKU:
    NU1412ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    ULTRA-SEAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    COMPETITION
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    OVAL
    TYPE:
    STAGE II
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • UNI FILTER Filter - YZ250/400 NU-2242ST

    UNI FILTER Filter - YZ250/400 NU-2242ST

    UNI FILTER

    $35.95
    Stock air filters compromise flow and require frequent replacement—this UNI Filter delivers superior airflow while remaining cleanable and reusable for years. Purpose-built for YZ250/400 applications, it fits your stock airbox without modifications while...
    NU2242ST
    SKU:
    NU2242ST
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    FILTER SHAPE:
    ROUND
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    MODEL:
    UNI-SEAL
    STYLE:
    STANDARD
    TYPE:
    MULTI STAGE
    UNITS:
    EACH
    BASE COLOR:
    RED
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • UNI FILTER Filter - Yamaha NU-2245ST

    UNI FILTER Filter - Yamaha NU-2245ST

    UNI FILTER

    $35.95
    Stock air filters restrict airflow and require frequent replacement—costing you both performance and money over time. The UNI FILTER NU-2245ST delivers measurably higher airflow while trapping more dirt, giving your Yamaha the breathing room it needs for...
    NU2245ST
    SKU:
    NU2245ST
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER SHAPE:
    CONE
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    MODEL:
    ULTRA-SEAL
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    STAGE II
    UNITS:
    EACH
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • UNI FILTER Filter - YZ125/IT175 NU-2247ST

    UNI FILTER Filter - YZ125/IT175 NU-2247ST

    UNI FILTER

    $35.95
    A quality air filter is fundamental to engine longevity and peak performance—dirt intrusion accelerates wear on pistons, rings, and valve seats. The UNI FILTER NU-2247ST delivers superior filtration efficiency without sacrificing airflow, a critical...
    NU2247ST
    SKU:
    NU2247ST
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    STAGE II
    UNITS:
    EACH
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    TAPERED
    MODEL:
    ULTRA-SEAL
    BASE COLOR:
    RED
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER SHAPE:
    ROUND
    STYLE:
    COMPETITION
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • UNI FILTER Filter - CRF250/450 '03-'09 NU-4136ST

    UNI FILTER Filter - CRF250/450 '03-'09 NU-4136ST

    UNI FILTER

    $37.95
    Stock air filters restrict flow and require frequent replacement—the UNI FILTER NU-4136ST delivers superior airflow while remaining cleanable and reusable for the life of your bike. Two-stage construction separates for thorough cleaning with standard...
    NU4136ST
    SKU:
    NU4136ST
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MODEL:
    UNI-SEAL
    UNITS:
    EACH
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    BASE COLOR:
    RED
    FILTER SHAPE:
    ROUND
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    COMPETITION
    TYPE:
    STAGE II
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Air Filter - KLX140/L NU-2335ST

    UNI FILTER Air Filter - KLX140/L NU-2335ST

    UNI FILTER

    $25.95
    A quality air filter is fundamental to engine performance—restrict airflow and you're leaving power on the table while accelerating wear on internal components. The UNI FILTER NU-2335ST delivers the high-flow filtration your KLX140/L needs without...
    10111454
    SKU:
    10111454
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • On Sale
    Race Shop Inc Pro Climb Air Vent Bottom V-7 for Arctic Cat Pro Climb Chassis 10112915 Race Shop Inc Pro Climb Air Vent Bottom V-7 for Arctic Cat Pro Climb Chassis 10112915

    Race Shop Inc Pro Climb Air Vent Bottom V-7 for Arctic Cat Pro Climb Chassis 10112915

    RACE SHOP INC.

    MSRP: $100.95
    Now: $65.00
    Was: $100.95
    Heat buildup under the hood is the enemy of consistent engine performance, especially in extreme riding conditions. The Race Shop Inc Pro Climb Air Vent Bottom V-7 delivers measurable thermal management by lowering under-hood and clutch temperatures by...
    10112915
    SKU:
    10112915
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MSRP: $100.95
    Now: $65.00
    Was: $100.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $100.95
    Now: $65.00
    Was: $100.95
    Subtotal:
  • On Sale
    Race Shop Inc Permanent Top Air Vent for Polaris Pro RMK V-16 10112921

    Race Shop Inc Permanent Top Air Vent for Polaris Pro RMK V-16 10112921

    RACE SHOP INC.

    MSRP: $168.95
    Now: $108.00
    Was: $168.95
    Under-hood temperatures on your Pro RMK V-16 directly impact engine longevity and clutch performance—especially during extended trail sessions or high-load conditions. This permanent top air vent reduces thermal buildup by over 30%, drawing cold air to...
    10112921
    SKU:
    10112921
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    MSRP: $168.95
    Now: $108.00
    Was: $168.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $168.95
    Now: $108.00
    Was: $168.95
    Subtotal:
  • MOOSE RACING Fuel Line - Orange - 5/16" - 3' 516-7201S

    MOOSE RACING Fuel Line - Orange - 5/16" - 3' 516-7201S

    MOOSE RACING

    $14.72
    Fuel line degradation is a silent killer in high-performance applications—hardened, cracked lines lead to fuel leaks, inconsistent delivery, and catastrophic engine failure. The MOOSE RACING Fuel Line eliminates this risk with premium polyurethane...
    07060305
    SKU:
    07060305
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    PRODUCT NAME:
    FUEL LINE
    RIDING STYLE:
    OFF-ROAD
    INSIDE DIAMETER METRIC:
    7.9 MM
    LENGTH IMPERIAL:
    3'
    RIDING STYLE:
    WATERCRAFT
    BASE COLOR:
    ORANGE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    APPLICATION:
    FUEL INJECTED
    COLOR/FINISH:
    ORANGE
    INSIDE DIAMETER IMPERIAL:
    5/16'
    LENGTH METRIC:
    91 CM
    MATERIAL:
    POLYURETHANE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $14.72
    Qty in Cart: 0
    Quantity:
    Price:
    $14.72
    Subtotal:
  • MOOSE RACING Fuel Line - Black - 5/16" - 3' 516-7167

    MOOSE RACING Fuel Line - Black - 5/16" - 3' 516-7167

    MOOSE RACING

    $14.72
    Fuel line degradation is a silent killer in any performance build—cracked or hardened lines lead to leaks, fuel system contamination, and unreliable engine performance. The MOOSE RACING Fuel Line eliminates this risk with premium polyurethane...
    07060114
    SKU:
    07060114
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    FUEL LINE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    APPLICATION:
    FUEL INJECTED
    INSIDE DIAMETER METRIC:
    7.9 MM
    LENGTH IMPERIAL:
    3'
    RIDING STYLE:
    WATERCRAFT
    BASE COLOR:
    BLACK
    INSIDE DIAMETER IMPERIAL:
    5/16'
    LENGTH METRIC:
    91 CM
    MATERIAL:
    POLYURETHANE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $14.72
    Qty in Cart: 0
    Quantity:
    Price:
    $14.72
    Subtotal:
  • MOOSE RACING Air Filter - YZ/YZF/WR 1-80-44

    MOOSE RACING Air Filter - YZ/YZF/WR 1-80-44

    MOOSE RACING

    $29.95
    Dust and debris are the silent killers of engine performance, especially in aggressive riding conditions where stock filters fall short. The MOOSE RACING Air Filter delivers dual-layer foam protection that traps everything from coarse particles to...
    M7618044
    SKU:
    M7618044
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    YELLOW
    FILTER MEDIA MATERIAL:
    FOAM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    COLOR/FINISH:
    WHITE
    BASE COLOR:
    WHITE
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    YELLOW
    UNITS:
    EACH
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • MOOSE RACING Pre-Oiled Air Filter - Honda P1-20-02

    MOOSE RACING Pre-Oiled Air Filter - Honda P1-20-02

    MOOSE RACING

    $29.95
    A properly oiled air filter is essential for maintaining peak engine protection and airflow efficiency without sacrificing horsepower. Excess oil clogs filter media and restricts air intake, while dry spots leave your engine vulnerable to contamination...
    10110826
    SKU:
    10110826
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BASE COLOR:
    GREEN
    FILTER SHAPE:
    ROUND
    MODEL:
    PRECISION
    UNITS:
    EACH
    COLOR/FINISH:
    GREEN
    FEATURES:
    PRE-OILED
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • MOOSE RACING Pre-Oiled Air Filter - Honda P1-20-33

    MOOSE RACING Pre-Oiled Air Filter - Honda P1-20-33

    MOOSE RACING

    $32.95
    An air filter's job is simple: maximize airflow while protecting your engine. The MOOSE RACING Pre-Oiled Air Filter eliminates the guesswork by arriving factory-oiled to the exact specification your engine needs—no excess oil starving horsepower, no dry...
    10110827
    SKU:
    10110827
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    COLOR/FINISH:
    GREEN
    FILTER SHAPE:
    ROUND
    PRODUCT NAME:
    AIR FILTER
    UNITS:
    EACH
    BASE COLOR:
    GREEN
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    PRECISION
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    PRE-OILED
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    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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