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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
  • UNI FILTER Air Filter - KX450F NU-2605ST

    UNI FILTER Air Filter - KX450F NU-2605ST

    UNI FILTER

    $37.95
    Stock air filters restrict your KX450F's breathing and require constant replacement, costing you money and track time. The UNI FILTER NU-2605ST delivers significantly higher airflow while stopping more dirt particles than conventional paper elements,...
    10114257
    SKU:
    10114257
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    STANDARD
    BASE COLOR:
    RED
    FILTER SHAPE:
    SQUARE
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    FACTORY
    UNITS:
    EACH
    TYPE:
    REPLACEMENT
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • UNI FILTER Air Filter - Yamaha YZ65 NU-3269ST

    UNI FILTER Air Filter - Yamaha YZ65 NU-3269ST

    UNI FILTER

    $33.95
    The stock air filter on your YZ65 is a restriction point that limits your engine's breathing potential. UNI's foam filter design flows significantly more air than OEM elements while actually trapping more dirt—giving you peak performance without...
    10114258
    SKU:
    10114258
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    RED
    FILTER MEDIA MATERIAL:
    FOAM
    TYPE:
    REPLACEMENT
    MODEL:
    STANDARD
    FILTER SHAPE:
    SQUARE
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    FACTORY
    FEATURES:
    WASHABLE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    UNITS:
    EACH
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • UNI FILTER Foam Pre-Filter BF-2

    UNI FILTER Foam Pre-Filter BF-2

    UNI FILTER

    $20.95
    Custom air filtration is critical for maximizing airflow and engine protection in vintage and purpose-built applications where off-the-shelf filters fall short. The UNI FILTER Foam Pre-Filter BF-2 delivers multi-density foam sheets that let you fabricate...
    BF2
    SKU:
    BF2
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    FOAM
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    FILTER MEDIA STYLE:
    COARSE
    RIDING STYLE:
    ATV
    TYPE:
    AIR FILTER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    PANEL OUTSIDE DIMENSIONS (LENGTH X WIDTH) IMPERIAL:
    24.02' X 12.01'
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • PARTS UNLIMITED Slim Fuel Filter - 6mm T03-6335

    PARTS UNLIMITED Slim Fuel Filter - 6mm T03-6335

    PARTS UNLIMITED

    $41.10
    A clean fuel system is non-negotiable for reliable engine performance, whether you're running pump gas, race fuel, or E85. This universal inline filter removes contaminants that can compromise fuel injector atomization and engine longevity. At a modest...
    07070067
    SKU:
    07070067
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    FILTER MEDIA MATERIAL:
    BRONZE
    PRODUCT NAME:
    FUEL FILTER
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    STYLE:
    UNIVERSAL
    BODY LENGTH IMPERIAL:
    2'
    MICRON RATING:
    40 MICRONS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    INLINE
    RIDING STYLE:
    ATV
    BASE COLOR:
    CLEAR
    COLOR/FINISH:
    TRANSPARENT
    FOR FUEL LINE SIZE IMPERIAL:
    1/4'
    RIDING STYLE:
    STREET
    UNITS:
    20 PACK
    $41.10
    Qty in Cart: 0
    Quantity:
    Price:
    $41.10
    Subtotal:
  • PARTS UNLIMITED Keihin Inlet - 10-Pack 1009-0003

    PARTS UNLIMITED Keihin Inlet - 10-Pack 1009-0003

    PARTS UNLIMITED

    $19.47
    If you're rebuilding carburetors or servicing fuel systems on vintage or modern Keihin-equipped engines, having reliable inlet connectors on hand is essential. These OEM Keihin plugs ensure proper fuel delivery without leaks or poor seals that can...
    10090003
    SKU:
    10090003
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    STYLE:
    KEIHIN
    UNITS:
    10 PACK
    MATERIAL:
    BRASS
    RIDING STYLE:
    WATERCRAFT
    PRODUCT NAME:
    CONNECTOR
    $19.47
    Qty in Cart: 0
    Quantity:
    Price:
    $19.47
    Subtotal:
  • PARTS UNLIMITED Keihin Plug - 10-Pack 1009-0004

    PARTS UNLIMITED Keihin Plug - 10-Pack 1009-0004

    PARTS UNLIMITED

    $15.11
    Keihin carburetors demand precision components to maintain consistent jetting and fuel delivery—a single compromised plug connection can introduce air leaks or fuel supply interruptions that degrade performance and drivability. This 10-pack of OEM Keihin...
    10090004
    SKU:
    10090004
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    10 PACK
    MATERIAL:
    BRASS
    PRODUCT NAME:
    PLUG
    RIDING STYLE:
    WATERCRAFT
    STYLE:
    KEIHIN
    $15.11
    Qty in Cart: 0
    Quantity:
    Price:
    $15.11
    Subtotal:
  • PARTS UNLIMITED Fuel Filter - 8mm - Large T03-6329

    PARTS UNLIMITED Fuel Filter - 8mm - Large T03-6329

    PARTS UNLIMITED

    $74.98
    Fuel contamination is the silent killer of performance engines—dirt, rust, and debris circulating through your fuel system will damage injectors, clog carburetors, and tank reliability when you need it most. The PARTS UNLIMITED 8mm Fuel Filter delivers...
    07070064
    SKU:
    07070064
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    FILTER MEDIA MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    BODY LENGTH IMPERIAL:
    1-3/4'
    FOR FUEL LINE SIZE IMPERIAL:
    5/16'
    PRODUCT NAME:
    FUEL FILTER
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    CLEAR
    COLOR/FINISH:
    TRANSPARENT
    MICRON RATING:
    100 MICRONS
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    WATERCRAFT
    STYLE:
    UNIVERSAL
    TYPE:
    INLINE
    UNITS:
    20 PACK
    RIDING STYLE:
    UTV
    $74.98
    Qty in Cart: 0
    Quantity:
    Price:
    $74.98
    Subtotal:
  • PARTS UNLIMITED Slim 90 Fuel Filter - 6mm T03-6332

    PARTS UNLIMITED Slim 90 Fuel Filter - 6mm T03-6332

    PARTS UNLIMITED

    $61.18
    A clean fuel system is the foundation of reliable engine performance, and this inline filter removes contaminants that can damage injectors and compromise combustion efficiency. Whether you're running pump gas, race fuel, or E85, the PARTS UNLIMITED Slim...
    07070065
    SKU:
    07070065
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    RIDING STYLE:
    SNOW
    COLOR/FINISH:
    TRANSPARENT
    FOR FUEL LINE SIZE IMPERIAL:
    1/4'
    MICRON RATING:
    40 MICRONS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    STYLE:
    UNIVERSAL
    TYPE:
    INLINE
    FILTER MEDIA MATERIAL:
    PLASTIC
    PRODUCT NAME:
    FUEL FILTER
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    CLEAR
    BODY LENGTH IMPERIAL:
    2-3/8'
    UNITS:
    20 PACK
    $61.18
    Qty in Cart: 0
    Quantity:
    Price:
    $61.18
    Subtotal:
  • PC RACING Pro Seal - KTM PC5

    PC RACING Pro Seal - KTM PC5

    PC RACING

    $18.95
    Sick of dealing with messy air filter grease that attracts dirt and compromises seal integrity? The PC RACING Pro Seal eliminates the guesswork with a neoprene gasket that adheres directly to your air filter rim, delivering a clean, reliable seal every...
    PC5
    SKU:
    PC5
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    BLACK
    MATERIAL:
    NEOPRENE
    COLOR/FINISH:
    BLACK
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    $18.95
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • PC RACING Carburetor Vent System 3 - Black PC31

    PC RACING Carburetor Vent System 3 - Black PC31

    PC RACING

    $20.95
    Carburetor vent systems are critical for maintaining consistent fuel delivery during aggressive driving—especially over rough terrain and water crossings where vapor lock and fuel starvation can cause dangerous bogging and stalling. The PC Racing PC31...
    PC31
    SKU:
    PC31
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    RIDING STYLE:
    UTV
    BASE COLOR:
    BLACK
    DIAMETER METRIC:
    4.80 MM
    FEATURES:
    FOR DUAL CARBURETORS
    PRODUCT NAME:
    VENT KIT
    RIDING STYLE:
    ATV
    COLOR/FINISH:
    BLACK
    LENGTH METRIC:
    1220.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • PC RACING Universal Pro Seal PC10X

    PC RACING Universal Pro Seal PC10X

    PC RACING

    $19.95
    Air filter sealing is often overlooked, but a poor seal lets unfiltered air bypass your element—compromising engine protection and performance. The PC Racing Universal Pro Seal PC10X eliminates the mess of traditional filter grease while delivering a...
    PC10X
    SKU:
    PC10X
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    COLOR/FINISH:
    BLACK
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    MATERIAL:
    NEOPRENE
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PC RACING Filterskins PC1344

    PC RACING Filterskins PC1344

    PC RACING

    $15.95
    Maintaining peak engine efficiency starts with airflow management, and PC Racing Filterskins deliver genuine protection without sacrificing performance. These reusable filter covers trap 90% of airborne contaminants while their ultra-thin construction...
    PC1344
    SKU:
    PC1344
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    BASE COLOR:
    WHITE
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    WASHABLE
    PRODUCT NAME:
    FILTER WRAP
    RIDING STYLE:
    UTV
    UNITS:
    3 PACK
    COLOR/FINISH:
    WHITE
    RIDING STYLE:
    ATV
    FILTER HEIGHT METRIC:
    76.20 MM - 102.00 MM
    TYPE:
    AIR FILTER
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • PC RACING Filterskins PC-1347

    PC RACING Filterskins PC-1347

    PC RACING

    $15.95
    A quality air filter cover extends the life of your intake system while keeping contaminants out of your engine. The PC Racing Filterskins PC-1347 delivers 90% dirt trapping efficiency without sacrificing the airflow your engine demands. These reusable...
    PC1347
    SKU:
    PC1347
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    BASE COLOR:
    WHITE
    COLOR/FINISH:
    WHITE
    FILTER HEIGHT METRIC:
    127.00 MM - 203.00 MM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FILTER WRAP
    TYPE:
    AIR FILTER
    UNITS:
    3 PACK
    FEATURES:
    WASHABLE
    RIDING STYLE:
    UTV
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • PC RACING Filterskins PC-1364

    PC RACING Filterskins PC-1364

    PC RACING

    $15.95
    Air filter maintenance doesn't have to mean replacing your entire filter assembly every time dust accumulates. The PC Racing Filterskins PC-1364 extends filter life by acting as a protective barrier, trapping 90% of airborne contaminants before they...
    PC1364
    SKU:
    PC1364
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    FEATURES:
    WASHABLE
    COLOR/FINISH:
    WHITE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FILTER WRAP
    RIDING STYLE:
    UTV
    TYPE:
    AIR FILTER
    UNITS:
    3 PACK
    BASE COLOR:
    WHITE
    FILTER HEIGHT METRIC:
    51.00 MM - 127.00 MM
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • PC RACING Pro Seal - CR/KX PC1

    PC RACING Pro Seal - CR/KX PC1

    PC RACING

    $19.95
    Tired of dealing with messy air filter grease that attracts dirt and complicates routine maintenance? The PC RACING Pro Seal CR/KX PC1 eliminates that hassle with a neoprene gasket that adheres directly to your air filter rim, creating a reliable seal...
    PC1
    SKU:
    PC1
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    BASE COLOR:
    BLACK
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    MATERIAL:
    NEOPRENE
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PC RACING Carburetor Vent System 2 - Black PC23

    PC RACING Carburetor Vent System 2 - Black PC23

    PC RACING

    $18.95
    Carburetor vent systems are often overlooked until they fail—clogged vents cause vapor lock, fuel starvation, and inconsistent performance, especially under high-load conditions or in wet environments. The PC Racing Carburetor Vent System 2 solves this...
    PC23
    SKU:
    PC23
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    BASE COLOR:
    BLACK
    DIAMETER METRIC:
    3.20 MM
    RIDING STYLE:
    ATV
    FEATURES:
    FOR SINGLE CARBURETORS
    PRODUCT NAME:
    VENT KIT
    COLOR/FINISH:
    BLACK
    LENGTH METRIC:
    1220.00 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    UNITS:
    KIT
    $18.95
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • PC RACING Pro Seal - YZ PC3

    PC RACING Pro Seal - YZ PC3

    PC RACING

    $19.95
    Traditional air filter grease creates a messy maintenance headache and can attract dirt buildup that compromises filtration efficiency. The PC Racing Pro Seal eliminates this problem with a clean, adhesive-based gasket system that stays put without the...
    PC3
    SKU:
    PC3
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MODEL:
    PRO-SEAL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    BASE COLOR:
    BLACK
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    MATERIAL:
    NEOPRENE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PC RACING Pro Seal - KTM(Fuel Injection) 2 Stroke Husqvarna PC54

    PC RACING Pro Seal - KTM(Fuel Injection) 2 Stroke Husqvarna PC54

    PC RACING

    $19.95
    Tired of dealing with messy air filter grease that attracts dirt and compromises your intake seal? The PC Racing Pro Seal delivers a clean, reliable alternative with a neoprene gasket that bonds directly to your airbox—eliminating the guesswork and mess...
    10114463
    SKU:
    10114463
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    BASE COLOR:
    BLACK
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    MATERIAL:
    NEOPRENE
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PC RACING Pro Seal PC28

    PC RACING Pro Seal PC28

    PC RACING

    $19.95
    Traditional air filter grease creates a mess, attracts dirt, and requires constant reapplication—the PC Racing Pro Seal PC28 eliminates all of that. This neoprene gasket adhesive bonds permanently to your air filter rim, resisting both fuel and oil...
    10114573
    SKU:
    10114573
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    MODEL:
    PRO-SEAL
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    BASE COLOR:
    BLACK
    MATERIAL:
    NEOPRENE
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Pro Filter Pre-Oiled Air Filter for 2003-2007 Honda CR85R AFR-1002-00

    Pro Filter Pre-Oiled Air Filter for 2003-2007 Honda CR85R AFR-1002-00

    PRO FILTER

    $12.99
    A restrictive factory air filter costs you horsepower and throttle response. The PRO FILTER AFR-1002-00 replaces that constraint with a dual-stage foam matrix that flows significantly more air to your CR85R's engine while maintaining effective filtration...
    10111746
    SKU:
    10111746
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    FEATURES:
    PRE-OILED
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    PROFILTER
    COLOR/FINISH:
    BLUE
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLUE
    FILTER MEDIA STYLE:
    DUAL-LAYER
    UNITS:
    EACH
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
    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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