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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 Air Cut-Off Valve Rebuild Kit 46-4009

    MOOSE RACING Air Cut-Off Valve Rebuild Kit 46-4009

    MOOSE RACING

    $28.23
    A stuck air cut-off valve will sabotage your engine's performance, causing rough idle, popping on deceleration, and unpredictable running conditions that no jetting adjustment can fix. This MOOSE RACING rebuild kit gives you all the internal components...
    10031451
    SKU:
    10031451
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    AIR CUT-OFF
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $28.23
    Qty in Cart: 0
    Quantity:
    Price:
    $28.23
    Subtotal:
  • MOOSE RACING Mid Body Gasket Kit 26-10124

    MOOSE RACING Mid Body Gasket Kit 26-10124

    MOOSE RACING

    $26.95
    A leaking FCR carburetor center section compromises fuel atomization and creates inconsistent jetting across your power band. This complete gasket kit restores OEM-quality sealing with components unavailable separately from the manufacturer, eliminating...
    09351049
    SKU:
    09351049
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Orange - KTM MBU-KTM-94-OR

    MOOSE RACING Radiator Hose Kit - Orange - KTM MBU-KTM-94-OR

    MOOSE RACING

    $99.95
    Stock radiator hoses degrade under sustained heat cycles, compromising cooling efficiency and risking catastrophic engine failure. The MOOSE RACING Radiator Hose Kit replaces OEM hoses with Samco® Sport's proven silicone construction, delivering superior...
    19021363
    SKU:
    19021363
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    COLOR/FINISH:
    ORANGE
    MATERIAL:
    STAINLESS STEEL
    TYPE:
    RADIATOR
    FEATURES:
    INCLUDES NECESSARY CLAMPS
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    THERMOSTAT BYPASS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    HOSE KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Blue - Kawasaki MBU-KAW-63-BL

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

    MOOSE RACING

    $145.95
    Your engine's cooling system is only as reliable as its weakest connection—and factory rubber hoses degrade under sustained heat and pressure. The MOOSE RACING Radiator Hose Kit replaces brittle OEM hoses with premium silicone construction that maintains...
    19020976
    SKU:
    19020976
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    STYLE:
    RACE BIKE DESIGN
    FEATURES:
    INCLUDES NECESSARY CLAMPS
    COLOR/FINISH:
    BLUE
    MATERIAL:
    SILICONE
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    HOSE KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RADIATOR
    Qty in Cart: 0
    Quantity:
    Price:
    $145.95
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Orange - KTM MBU-KTM-52-OR

    MOOSE RACING Radiator Hose Kit - Orange - KTM MBU-KTM-52-OR

    MOOSE RACING

    $111.95
    Factory radiator hoses degrade under sustained heat cycles, compromising cooling efficiency and risking catastrophic engine failure. This Samco® Sport silicone hose kit maintains superior thermal stability and flow characteristics across extended racing...
    19020981
    SKU:
    19020981
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    HOSE KIT
    TYPE:
    RADIATOR
    STYLE:
    THERMOSTAT BYPASS
    MATERIAL:
    SILICONE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    ORANGE
    FEATURES:
    INCLUDES NECESSARY CLAMPS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Radiator Guard - Yamaha 12-158

    MOOSE RACING Radiator Guard - Yamaha 12-158

    MOOSE RACING

    $89.95
    Radiator damage can sideline your bike and drain your wallet. The MOOSE RACING Radiator Guard shields your cooling system from track debris, stone strikes, and contact during aggressive riding—keeping you on the course, not in the shop. Built from robust...
    19010523
    SKU:
    19010523
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    PRODUCT NAME:
    RADIATOR GUARD
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    BASE FINISH:
    ANODIZED
    COLOR/FINISH:
    ANODIZED BLACK
    MATERIAL:
    ALUMINUM
    UNITS:
    PAIR
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Yamaha 26-1311

    MOOSE RACING Carburetor Repair Kit - Yamaha 26-1311

    MOOSE RACING

    $49.44
    A carburetor that's running rich, lean, or leaking fuel costs you performance and reliability on the track or trail. The MOOSE RACING Carburetor Repair Kit gives you everything needed to restore your Yamaha carburetor to OEM specifications without the...
    10030834
    SKU:
    10030834
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    CARBURETOR
    $49.44
    Qty in Cart: 0
    Quantity:
    Price:
    $49.44
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1465

    MOOSE RACING Carburetor Repair Kit - Honda 26-1465

    MOOSE RACING

    $57.52
    Carburetor performance degrades over time as gaskets harden, o-rings deteriorate, and internal passages accumulate varnish and fuel residue. This comprehensive rebuild kit restores your Honda's fuel delivery to factory specifications, eliminating...
    10030877
    SKU:
    10030877
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $57.52
    Qty in Cart: 0
    Quantity:
    Price:
    $57.52
    Subtotal:
  • MOOSE RACING Pre-Oiled Precision Air Filter - YZ65 P1-80-08

    MOOSE RACING Pre-Oiled Precision Air Filter - YZ65 P1-80-08

    MOOSE RACING

    $33.95
    Engine protection starts with air filtration, and the MOOSE RACING Pre-Oiled Precision Air Filter eliminates the guesswork from filter prep. Factory pre-oiling ensures optimal dirt trapping without excess oil saturation that kills horsepower—your YZ65...
    10114239
    SKU:
    10114239
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    BASE COLOR:
    BLUE
    FILTER MEDIA STYLE:
    PRE-OILED
    FILTER SHAPE:
    ROUND
    COLOR/FINISH:
    BLUE
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    PRECISION
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • MOOSE RACING Torque Spacer - YZ125 '05- 08-302

    MOOSE RACING Torque Spacer - YZ125 '05- 08-302

    MOOSE RACING

    $41.95
    If you're running a stock YZ125 and want more usable power in the critical low-to-mid rev range, this spacer delivers a straightforward solution without major engine modifications. By shifting your torque curve lower, you'll feel stronger acceleration...
    10080128
    SKU:
    10080128
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    BASE COLOR:
    SILVER
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CNC-MACHINED
    PRODUCT NAME:
    INTAKE SPACER
    FEATURES:
    INCLUDES GASKETS
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TORQUE
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1458

    MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1458

    MOOSE RACING

    $57.52
    Over time, carburetor gaskets harden, O-rings degrade, and jets accumulate varnish—all of which rob your bike of smooth throttle response and consistent fuel delivery. The MOOSE RACING Carburetor Repair Kit puts you back in control with OEM-grade...
    10030871
    SKU:
    10030871
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    CARBURETOR
    $57.52
    Qty in Cart: 0
    Quantity:
    Price:
    $57.52
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1459

    MOOSE RACING Carburetor Repair Kit - Honda 26-1459

    MOOSE RACING

    $57.52
    Carburetor degradation from fuel varnish, ethanol exposure, and age is inevitable—and a single stuck jet or worn gasket can tank your engine's fuel delivery and throttle response. This MOOSE RACING Carburetor Repair Kit gives you OEM-equivalent...
    10030872
    SKU:
    10030872
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    CARBURETOR
    $57.52
    Qty in Cart: 0
    Quantity:
    Price:
    $57.52
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1462

    MOOSE RACING Carburetor Repair Kit - Honda 26-1462

    MOOSE RACING

    $57.52
    Over time, carburetor gaskets and seals degrade from fuel exposure and thermal cycling, causing lean running conditions, hard starts, and fuel leaks. This complete Moose Racing rebuild kit supplies OEM-grade components—the same parts used by Honda's...
    10030875
    SKU:
    10030875
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    CARBURETOR
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $57.52
    Qty in Cart: 0
    Quantity:
    Price:
    $57.52
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1472

    MOOSE RACING Carburetor Repair Kit - Honda 26-1472

    MOOSE RACING

    $62.57
    Carburetor wear and fuel degradation inevitably compromise throttle response, fuel delivery, and engine idle quality—symptoms that no amount of tuning can fully mask. This MOOSE RACING Carburetor Repair Kit restores your Honda carb to OEM specification...
    10030880
    SKU:
    10030880
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    CARBURETOR
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $62.57
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Suzuki 26-1495

    MOOSE RACING Carburetor Repair Kit - Suzuki 26-1495

    MOOSE RACING

    $41.36
    A carburetor that's running on worn gaskets and degraded seals will cost you performance and reliability on every ride. This MOOSE RACING Carburetor Repair Kit gives you everything needed to restore your OEM Suzuki carburetor to factory specifications...
    10030892
    SKU:
    10030892
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    Qty in Cart: 0
    Quantity:
    Price:
    $41.36
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - KTM 26-1521

    MOOSE RACING Carburetor Repair Kit - KTM 26-1521

    MOOSE RACING

    $60.55
    Carburetor performance directly impacts your engine's throttle response, fuel economy, and overall reliability—and worn gaskets, degraded O-rings, and stuck jets are the silent killers of smooth operation. Rather than replacing your entire OEM...
    10030909
    SKU:
    10030909
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    RUBBER
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $60.55
    Qty in Cart: 0
    Quantity:
    Price:
    $60.55
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Yamaha 26-1578

    MOOSE RACING Carburetor Repair Kit - Yamaha 26-1578

    MOOSE RACING

    $46.41
    Carburetor degradation is inevitable with age and use—fuel varnish, worn gaskets, and stuck jets compromise throttle response and fuel delivery. This MOOSE RACING rebuild kit supplies OEM-grade components sourced from the same suppliers that equip...
    10030946
    SKU:
    10030946
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $46.41
    Subtotal:
  • MOOSE RACING Carburetor Repair Kit - Honda 26-1748

    MOOSE RACING Carburetor Repair Kit - Honda 26-1748

    MOOSE RACING

    $52.47
    Carburetor performance degradation is inevitable—fuel varnish, worn seals, and stuck needles compromise fuel atomization and engine response. This complete rebuild kit restores your Honda carburetor to OEM specifications without the cost and downtime of...
    10031266
    SKU:
    10031266
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    TYPE:
    CARBURETOR
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    $52.47
    Qty in Cart: 0
    Quantity:
    Price:
    $52.47
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Blue - Husqvarna HUS-54

    MOOSE RACING Radiator Hose Kit - Blue - Husqvarna HUS-54

    MOOSE RACING

    $112.95
    Engine cooling efficiency directly impacts performance and longevity—a poorly designed radiator hose restricts coolant flow and compromises heat dissipation. The MOOSE RACING Radiator Hose Kit replaces restrictive OEM rubber with premium silicone...
    19021520
    SKU:
    19021520
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLUE
    FEATURES:
    WITHOUT CLAMPS
    MATERIAL:
    SILICONE
    PRODUCT NAME:
    HOSE KIT
    RIDING STYLE:
    STREET
    STYLE:
    RACE BIKE DESIGN
    UNITS:
    KIT
    TYPE:
    RADIATOR
    Qty in Cart: 0
    Quantity:
    Price:
    $112.95
    Subtotal:
  • MOOSE RACING Radiator Hose Kit - Orange - KTM KTM-108

    MOOSE RACING Radiator Hose Kit - Orange - KTM KTM-108

    MOOSE RACING

    $112.95
    Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under racing conditions or sustained high-load operation. OEM rubber hoses degrade over time, crack, and restrict coolant flow, compromising your cooling...
    19021525
    SKU:
    19021525
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    COLOR/FINISH:
    ORANGE
    FEATURES:
    WITHOUT CLAMPS
    MATERIAL:
    SILICONE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    HOSE KIT
    TYPE:
    RADIATOR
    STYLE:
    RACE BIKE DESIGN
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $112.95
    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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