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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
  • WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-280

    WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-280

    WORKS CONNECTION

    $128.95
    Radiator damage from contact or vibration can mean thousands in repairs and downtime you can't afford. The WORKS CONNECTION Radiator Brace prevents costly failures by reinforcing your radiator against impact and flex, keeping your cooling system...
    19010759
    SKU:
    19010759
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CNC-MACHINED
    UNITS:
    PAIR
    BASE COLOR:
    SILVER
    PRODUCT NAME:
    BRACE
    TYPE:
    RADIATOR
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    $128.95
    Qty in Cart: 0
    Quantity:
    Price:
    $128.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Black - Yamaha 18-B280

    WORKS CONNECTION Radiator Brace - Black - Yamaha 18-B280

    WORKS CONNECTION

    $154.95
    Radiator damage from impacts or vibration can sideline your bike and drain your wallet fast. The WORKS CONNECTION Radiator Brace reinforces your radiator against stress and potential failure, giving you the durability you need for consistent track...
    19010760
    SKU:
    19010760
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    BASE COLOR:
    BLACK
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CNC-MACHINED
    TYPE:
    RADIATOR
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    UNITS:
    PAIR
    PRODUCT NAME:
    BRACE
    $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Silver - Kawasaki 18-300

    WORKS CONNECTION Radiator Brace - Silver - Kawasaki 18-300

    WORKS CONNECTION

    $149.95
    Radiator damage is one of the most expensive failures on the track or trail—a single impact can sideline your bike and drain your wallet. The WORKS CONNECTION Radiator Brace reinforces your cooling system with precision-engineered support, absorbing...
    19010761
    SKU:
    19010761
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    BASE COLOR:
    SILVER
    TYPE:
    RADIATOR
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    BRACE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    PAIR
    MATERIAL:
    CNC-MACHINED
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    MATERIAL:
    ALUMINUM
    $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-123

    WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-123

    WORKS CONNECTION

    $54.95
    Radiator damage can sideline your bike and drain your wallet fast. The WORKS CONNECTION Radiator Brace reinforces your radiator against impacts and vibration, extending its lifespan and keeping you on the track. This bolt-on brace installs in minutes and...
    19010765
    SKU:
    19010765
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CNC-MACHINED
    TYPE:
    RADIATOR
    UNITS:
    SET
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    BRACE
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Silver - Honda 18-719

    WORKS CONNECTION Radiator Brace - Silver - Honda 18-719

    WORKS CONNECTION

    $128.95
    Radiator damage in high-performance applications isn't just inconvenient—it's expensive and can sideline your vehicle at critical moments. The WORKS CONNECTION Radiator Brace reinforces your radiator against impact and vibration, protecting one of your...
    19010766
    SKU:
    19010766
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CNC-MACHINED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    SET
    BASE COLOR:
    SILVER
    PRODUCT NAME:
    BRACE
    TYPE:
    RADIATOR
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    $128.95
    Qty in Cart: 0
    Quantity:
    Price:
    $128.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Black - Honda 18-B719

    WORKS CONNECTION Radiator Brace - Black - Honda 18-B719

    WORKS CONNECTION

    $154.95
    Radiator damage from track contact or debris can sideline your build and drain your wallet. The WORKS CONNECTION Radiator Brace reinforces your radiator against impact and vibration, protecting a critical cooling component that's expensive to replace...
    19010768
    SKU:
    19010768
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    MATERIAL:
    ALUMINUM
    TYPE:
    RADIATOR
    UNITS:
    SET
    MATERIAL:
    CNC-MACHINED
    PRODUCT NAME:
    BRACE
    COLOR/FINISH:
    BLACK
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Silver - CRF 18-710

    WORKS CONNECTION Radiator Brace - Silver - CRF 18-710

    WORKS CONNECTION

    $128.95
    Radiator failure can sideline your bike and drain your wallet fast. The WORKS CONNECTION Radiator Brace reinforces your radiator against impact and vibration, dramatically extending its lifespan and keeping you on the track. With a clean, custom fit and...
    19010849
    SKU:
    19010849
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CNC-MACHINED
    UNITS:
    SET
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    SILVER
    PRODUCT NAME:
    BRACE
    TYPE:
    RADIATOR
    Qty in Cart: 0
    Quantity:
    Price:
    $128.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-072

    WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-072

    WORKS CONNECTION

    $92.95
    Radiator damage means downtime and expensive repairs—often at the worst possible moment. The WORKS CONNECTION Radiator Brace reinforces your radiator against vibration, impact, and thermal stress, keeping your cooling system intact through aggressive...
    18072
    SKU:
    18072
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MATERIAL:
    CNC-MACHINED
    TYPE:
    RADIATOR
    UNITS:
    SET
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    BRACE
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    SILVER
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    MATERIAL:
    ALUMINUM
    $92.95
    Qty in Cart: 0
    Quantity:
    Price:
    $92.95
    Subtotal:
  • WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-074

    WORKS CONNECTION Radiator Brace - Silver - Yamaha 18-074

    WORKS CONNECTION

    $92.95
    Radiator damage can sideline your bike and drain your wallet fast. This WORKS CONNECTION brace reinforces your radiator against impacts and vibration, significantly extending its lifespan and keeping you on the track. As a bolt-on solution with included...
    18074
    SKU:
    18074
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    COLOR/FINISH:
    SILVER
    MATERIAL:
    CNC-MACHINED
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    BRACE
    TYPE:
    RADIATOR
    UNITS:
    SET
    BASE COLOR:
    SILVER
    FEATURES:
    INCLUDES MOUNTING HARDWARE
    MATERIAL:
    ALUMINUM
    $92.95
    Qty in Cart: 0
    Quantity:
    Price:
    $92.95
    Subtotal:
  • MOOSE RACING Intake Boot - Honda - 32 E30-6015

    MOOSE RACING Intake Boot - Honda - 32 E30-6015

    MOOSE RACING

    $14.95
    A deteriorated or cracked intake boot compromises your engine's air seal, leading to vacuum leaks, rough idle, and lost power delivery. The MOOSE RACING Intake Boot restores a proper seal between your carburetor and intake manifold, ensuring consistent...
    10130140
    SKU:
    10130140
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    DIAMETER METRIC:
    32 MM
    BASE COLOR:
    BLACK
    DIAMETER IMPERIAL:
    1.26'
    MODEL:
    KEIHIN
    PRODUCT NAME:
    MOUNTING FLANGE
    TYPE:
    CARBURETOR
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    DIAMETER:
    32,00 MM (1,26')
    RIDING STYLE:
    OFF-ROAD
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • MOOSE RACING Intake Boot - Honda - 38 E30-6009

    MOOSE RACING Intake Boot - Honda - 38 E30-6009

    MOOSE RACING

    $14.95
    A compromised intake boot can cause vacuum leaks, unmetered air, and erratic idle conditions that mask the true potential of your engine. The MOOSE RACING Intake Boot for Honda delivers a precision-fit seal that restores proper air delivery to your...
    10130144
    SKU:
    10130144
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    BLACK
    DIAMETER:
    38,00 MM (1,50')
    DIAMETER IMPERIAL:
    1.50'
    MODEL:
    KEIHIN
    PRODUCT NAME:
    MOUNTING FLANGE
    UNITS:
    EACH
    DIAMETER METRIC:
    38 MM
    MODEL:
    NON-BOLT ON
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    TYPE:
    CARBURETOR
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • MOOSE RACING Intake Boot - Yamaha YZ250 E30-4042

    MOOSE RACING Intake Boot - Yamaha YZ250 E30-4042

    MOOSE RACING

    $23.95
    The intake boot is a critical seal between your carburetor and cylinder head—a worn or cracked boot causes vacuum leaks that rob power, increase fuel consumption, and trigger hard starting. MOOSE RACING's OEM-replacement intake boot restores a proper...
    10130156
    SKU:
    10130156
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    MOUNTING FLANGE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • MOOSE RACING Triple Foam Air Filter - Suzuki 1-70-44TRI

    MOOSE RACING Triple Foam Air Filter - Suzuki 1-70-44TRI

    MOOSE RACING

    $40.95
    If you're running in severe off-road conditions—think dust storms, water crossings, and sand-laden trails—a standard air filter won't cut it. The MOOSE RACING Triple Foam Air Filter delivers three stages of progressive filtration that eliminate the need...
    10112581
    SKU:
    10112581
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BASE COLOR:
    BLACK
    FILTER MEDIA STYLE:
    TRIPLE-LAYER
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • MOOSE RACING Triple Foam Air Filter - Suzuki 2-70-04TRI

    MOOSE RACING Triple Foam Air Filter - Suzuki 2-70-04TRI

    MOOSE RACING

    $40.95
    Factory off-road teams trust the MOOSE RACING Triple Foam Air Filter because it delivers superior protection in the harshest environments—eliminating the performance penalty of restrictive dust covers while maintaining extended service intervals. The...
    10112583
    SKU:
    10112583
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    FILTER MEDIA STYLE:
    TRIPLE-LAYER
    PRODUCT NAME:
    AIR FILTER
    COLOR/FINISH:
    BLACK
    FEATURES:
    WASHABLE
    FILTER MEDIA MATERIAL:
    FOAM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • MOOSE RACING Radiator Hose Clamp Kit - KTM CKKTM57

    MOOSE RACING Radiator Hose Clamp Kit - KTM CKKTM57

    MOOSE RACING

    $41.95
    Stock radiator hoses are a common failure point in high-demand riding conditions, leaving you stranded and risking catastrophic engine damage. The MOOSE RACING Radiator Hose Clamp Kit replaces weak OEM clamps with precision-engineered components that...
    19020804
    SKU:
    19020804
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    CLAMP KIT
    TYPE:
    RADIATOR HOSE
    $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • MOOSE RACING Radiator Brace - Yamaha 11-158

    MOOSE RACING Radiator Brace - Yamaha 11-158

    MOOSE RACING

    $109.95
    Radiator damage from side impacts can sideline your bike and drain your wallet fast. The MOOSE RACING Radiator Brace uses heavy-duty 5052 aluminum to shield your radiator from twisting forces and direct hits—keeping your cooling system intact and your...
    19040089
    SKU:
    19040089
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    MATERIAL:
    5052 ALUMINUM
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    BRACE
    TYPE:
    RADIATOR
    UNITS:
    SET
    $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • TMV Keihin Fuel Mixture Screw 138212002

    TMV Keihin Fuel Mixture Screw 138212002

    TMV

    $32.95
    Precise fuel mixture tuning is essential for consistent engine performance and throttle response, especially in high-demand racing applications. The TMV Keihin Fuel Mixture Screw gives you granular control over your carburetor's air-fuel ratio, allowing...
    10500453
    SKU:
    10500453
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    BASE COLOR:
    RED
    TYPE:
    FUEL MIXTURE
    BASE FINISH:
    ANODIZED
    PRODUCT NAME:
    SCREW
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    RED
    MODEL:
    KEIHIN
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • TMV Keihin Fuel Mixture Screw 138212000

    TMV Keihin Fuel Mixture Screw 138212000

    TMV

    $32.95
    Precise fuel mixture tuning is essential for consistent performance and throttle response across varying conditions. The TMV Keihin Fuel Mixture Screw allows you to fine-tune your carburetor's fuel delivery with the accuracy that serious racers and...
    10500452
    SKU:
    10500452
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    BASE FINISH:
    ANODIZED
    PRODUCT NAME:
    SCREW
    COLOR/FINISH:
    BLUE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLUE
    MODEL:
    KEIHIN
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FUEL MIXTURE
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • Pro Filter Pre-Oiled Air Filter for Honda CRF250R 2004-2009 AFR-1003-00

    Pro Filter Pre-Oiled Air Filter for Honda CRF250R 2004-2009 AFR-1003-00

    PRO FILTER

    $13.99
    The stock air filter in your CRF250R is a restriction—and PRO FILTER's AFR-1003-00 removes it. With a dual-stage open cell foam matrix engineered for maximum airflow, you'll unlock measurable horsepower gains and sharper throttle response while...
    10111747
    SKU:
    10111747
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    FILTER MEDIA STYLE:
    DUAL-LAYER
    UNITS:
    EACH
    COLOR/FINISH:
    BLUE
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA MATERIAL:
    FOAM
    BASE COLOR:
    BLUE
    FEATURES:
    PRE-OILED
    MODEL:
    PROFILTER
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • MOOSE RACING Fuel Line - Clear - 5/16" - 3' 516-7166

    MOOSE RACING Fuel Line - Clear - 5/16" - 3' 516-7166

    MOOSE RACING

    $14.72
    Fuel line integrity is critical to engine reliability and safety—a compromised line can lead to leaks, performance loss, or worse. This MOOSE RACING fuel line delivers premium polyurethane construction that resists hardening and cracking over years of...
    07060113
    SKU:
    07060113
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    APPLICATION:
    FUEL INJECTED
    BASE COLOR:
    CLEAR
    INSIDE DIAMETER METRIC:
    7.9 MM
    MATERIAL:
    POLYURETHANE
    RIDING STYLE:
    WATERCRAFT
    LENGTH IMPERIAL:
    3'
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    COLOR/FINISH:
    CLEAR
    PRODUCT NAME:
    FUEL LINE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    INSIDE DIAMETER IMPERIAL:
    5/16'
    LENGTH METRIC:
    91 CM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $14.72
    Qty in Cart: 0
    Quantity:
    Price:
    $14.72
    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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