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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
  • BOYESEN Pro Series Reed for RAD-34J PSR-034

    BOYESEN Pro Series Reed for RAD-34J PSR-034

    BOYESEN

    $69.95
    If you're running a two-stroke with a reed valve induction system, throttle response and power delivery depend entirely on your reed quality. The Boyesen Pro Series Reed delivers the responsiveness and acceleration you need to stay competitive, using a...
    10080122
    SKU:
    10080122
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    REED PETAL
    TYPE:
    DUAL STAGE
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    CARBON FIBER
    MODEL:
    PRO SERIES
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • DYNOJET Jet Kit - Kawasaki KLX 250 S 2152

    DYNOJET Jet Kit - Kawasaki KLX 250 S 2152

    DYNOJET

    $114.43
    The DYNOJET Jet Kit for your KLX 250 S delivers measurable power gains across the RPM range while restoring the responsive throttle feel that factory carburetor tuning often sacrifices. Whether you're running modified exhaust or individual air filters,...
    10070515
    SKU:
    10070515
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    TYPE:
    STAGE 1
    UNITS:
    KIT
    TYPE:
    STAGE 2
    PRODUCT NAME:
    JET KIT
    RIDING STYLE:
    STREET
    MATERIAL:
    BRASS
    $114.43
    Qty in Cart: 0
    Quantity:
    Price:
    $114.43
    Subtotal:
  • DYNOJET Jet Kit - Yamaha YZ250F 4132

    DYNOJET Jet Kit - Yamaha YZ250F 4132

    DYNOJET

    $114.43
    Carburetor jetting is one of the most direct ways to unlock hidden horsepower in your YZ250F—especially if you've modified your intake or exhaust. The DYNOJET Jet Kit gives you precise fuel mapping across multiple stages, allowing you to dial in the...
    10070513
    SKU:
    10070513
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    TYPE:
    STAGE 1
    PRODUCT NAME:
    JET KIT
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $114.43
    Subtotal:
  • DYNOJET Jet Kit - Kawasaki KLR 650 2120

    DYNOJET Jet Kit - Kawasaki KLR 650 2120

    DYNOJET

    $114.43
    Carburetor tuning is critical for maximizing your KLR 650's performance, especially if you've upgraded your air intake or exhaust system. The DYNOJET Jet Kit (2120) gives you precise control over fuel delivery across the RPM range, eliminating lean...
    10070512
    SKU:
    10070512
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    STREET
    TYPE:
    STAGE 1
    TYPE:
    STAGE 2
    MATERIAL:
    BRASS
    UNITS:
    KIT
    PRODUCT NAME:
    JET KIT
    $114.43
    Qty in Cart: 0
    Quantity:
    Price:
    $114.43
    Subtotal:
  • DYNOJET Jet Kit - Honda CRF250X 1150

    DYNOJET Jet Kit - Honda CRF250X 1150

    DYNOJET

    $114.43
    Fine-tuning your CRF250X's fuel mapping unlocks measurable power gains across the rev range while maintaining the reliability your bike demands. Whether you're chasing track performance or smoothing out drivability on a modified build, the DYNOJET Jet...
    10070510
    SKU:
    10070510
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MATERIAL:
    BRASS
    PRODUCT NAME:
    JET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    STAGE 2
    $114.43
    Qty in Cart: 0
    Quantity:
    Price:
    $114.43
    Subtotal:
  • HELIX In-Line Reducer Tube - 3/8"-5/16" 053-3492

    HELIX In-Line Reducer Tube - 3/8"-5/16" 053-3492

    HELIX

    $7.56
    Proper fluid routing is foundational to engine reliability, and undersized or damaged fuel, oil, and air lines compromise both performance and safety. The HELIX In-Line Reducer Tube lets you downsize line diameter without leaks or kinks, making it...
    07060320
    SKU:
    07060320
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    FITTING CONNECTOR TYPE:
    7,9 MM (5/16') HOSE BARB
    FITTING CONNECTOR TYPE IMPERIAL:
    3/8' HOSE BARB
    FITTING CONNECTOR TYPE IMPERIAL:
    5/16' HOSE BARB
    FITTING CONNECTOR TYPE METRIC:
    9.5 MM HOSE BARB
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    REDUCER
    TYPE:
    HOSE
    BASE COLOR:
    BRASS
    FITTING CONNECTOR TYPE METRIC:
    7.9 MM HOSE BARB
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    PRODUCT NAME:
    FITTING
    RIDING STYLE:
    ATV
    UNION FITTING ANGLE:
    STRAIGHT
    COLOR/FINISH:
    BRASS
    FITTING CONNECTOR TYPE:
    9,5 MM (3/8') HOSE BARB
    UNITS:
    EACH
    $7.56
    Qty in Cart: 0
    Quantity:
    Price:
    $7.56
    Subtotal:
  • CV4 Vent Tubing - Blue - 4mm SFSVT4-3B

    CV4 Vent Tubing - Blue - 4mm SFSVT4-3B

    CV4

    $24.95
    Carburetor and cooling system vent lines demand reliable, heat-resistant tubing that won't degrade under engine bay conditions. This CV4 Vent Tubing handles overflow and bypass applications across multiple systems without the brittleness or permeability...
    07060094
    SKU:
    07060094
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    BASE COLOR:
    BLUE
    INSIDE DIAMETER:
    4,0 MM
    MATERIAL:
    SILICONE RUBBER
    PRODUCT NAME:
    TUBING
    TYPE:
    VENT
    RIDING STYLE:
    UTV
    COLOR/FINISH:
    BLUE
    INSIDE DIAMETER METRIC:
    4.0 MM
    LENGTH IMPERIAL:
    9.8'
    RIDING STYLE:
    OFF-ROAD
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • NO TOIL Air Filter - Polini 110-10

    NO TOIL Air Filter - Polini 110-10

    NO TOIL

    $30.95
    Air filter performance directly impacts engine response, fuel efficiency, and longevity—especially in high-demand riding conditions. The NO TOIL Polini 110-10 delivers superior filtration without sacrificing airflow, thanks to its dual-layer foam...
    10111738
    SKU:
    10111738
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER SHAPE:
    RECTANGULAR
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA STYLE:
    DUAL-LAYER
    TYPE:
    DUAL-STAGE
    BASE COLOR:
    YELLOW
    STYLE:
    FLAME LAMINATED
    UNITS:
    EACH
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • NO TOIL Air Filter 1846

    NO TOIL Air Filter 1846

    NO TOIL

    $33.95
    Air filter performance directly impacts your engine's breathing efficiency and power output. The NO TOIL Air Filter 1846 delivers superior airflow without compromising filtration, giving you measurable horsepower gains while maintaining engine protection...
    10111869
    SKU:
    10111869
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BASE COLOR:
    GREEN
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    STANDARD
    COLOR/FINISH:
    GREEN
    UNITS:
    EACH
    PRODUCT NAME:
    PRE-OILED AIR FILTER
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • On Sale
    NO TOIL Replacement Air Filter FRF22007

    NO TOIL Replacement Air Filter FRF22007

    NO TOIL

    MSRP: $36.95
    Now: $24.00
    Was: $36.95
    A restrictive air filter starves your engine of the oxygen it needs to produce peak horsepower and throttle response. The NO TOIL Replacement Air Filter FRF22007 flows significantly more air than OEM filters, unlocking measurable performance gains while...
    10112036
    SKU:
    10112036
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    FEATURES:
    BACKFIRE RESISTANT LAYER
    FILTER MEDIA MATERIAL:
    FOAM
    MODEL:
    SUPER-FLO
    COLOR/FINISH:
    GREEN
    FEATURES:
    PRE-OILED
    PRODUCT NAME:
    AIR FILTER
    TYPE:
    HIGH-FLOW
    UNITS:
    EACH
    COLOR/FINISH:
    RED
    BASE COLOR:
    GREEN
    FEATURES:
    WASHABLE
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    FLAME LAMINATED
    MSRP: $36.95
    Now: $24.00
    Was: $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $36.95
    Now: $24.00
    Was: $36.95
    Subtotal:
  • NO TOIL Air Filter 240-06

    NO TOIL Air Filter 240-06

    NO TOIL

    $30.95
    A clogged or inefficient air filter doesn't just rob you of horsepower—it compromises engine protection and throttle response when you need it most. The NO TOIL 240-06 delivers unrestricted airflow without sacrificing filtration, keeping your engine...
    10114505
    SKU:
    10114505
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    FILTER MEDIA STYLE:
    DUAL-LAYER
    STYLE:
    FLAME LAMINATED
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    YELLOW
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER SHAPE:
    PANEL
    BASE COLOR:
    YELLOW
    TYPE:
    DUAL-STAGE
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • NO TOIL Air Filter Cage Replacement C18053

    NO TOIL Air Filter Cage Replacement C18053

    NO TOIL

    $39.95
    A clogged or deteriorating air filter cage compromises airflow and engine efficiency, directly impacting throttle response and overall performance. The NO TOIL C18053 replacement cage restores optimal filtration support and ensures your air filter seat...
    10114395
    SKU:
    10114395
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    CAGE
    BASE COLOR:
    BLACK
    STYLE:
    OEM STYLE
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    MATERIAL:
    PLASTIC
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NO TOIL Air Filter Cage Replacement C17045

    NO TOIL Air Filter Cage Replacement C17045

    NO TOIL

    $29.95
    A clogged or damaged air filter cage compromises your engine's breathing efficiency and can force you to replace the entire filter assembly when only the cage needs attention. The NO TOIL C17045 replacement cage delivers a cost-effective solution,...
    10114396
    SKU:
    10114396
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    STYLE:
    OEM STYLE
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    MATERIAL:
    PLASTIC
    PRODUCT NAME:
    CAGE
    BASE COLOR:
    BLACK
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • NO TOIL Air Filter Cage Replacement C14050

    NO TOIL Air Filter Cage Replacement C14050

    NO TOIL

    $29.95
    A clogged or damaged air filter cage compromises your engine's breathing efficiency and can reduce horsepower, throttle response, and overall reliability. The NO TOIL C14050 replacement cage restores OEM-standard airflow while maintaining proper filter...
    10114397
    SKU:
    10114397
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    BASE COLOR:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AIR FILTER
    PRODUCT NAME:
    CAGE
    COLOR/FINISH:
    BLACK
    MATERIAL:
    PLASTIC
    STYLE:
    OEM STYLE
    UNITS:
    EACH
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • On Sale
    NO TOIL Pre-Filter PF170-45

    NO TOIL Pre-Filter PF170-45

    NO TOIL

    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    If you're running your vehicle in high-dust environments—whether it's desert racing, off-road competition, or dusty track conditions—the NO TOIL Pre-Filter PF170-45 is essential protection for your engine. This pre-oiled dust cover extends your primary...
    10114398
    SKU:
    10114398
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    PRE-FILTER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    FILTER SHAPE:
    ROUND
    TYPE:
    COVER
    UNITS:
    EACH
    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    Subtotal:
  • On Sale
    NO TOIL Pre-Filter PF140-50

    NO TOIL Pre-Filter PF140-50

    NO TOIL

    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    Running your air intake system in dusty, high-debris environments compromises filter efficiency and shortens service intervals. The NO TOIL Pre-Filter PF140-50 is a protective dust cover that mounts over your pre-oiled air filter, extending filter life...
    10114399
    SKU:
    10114399
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    FILTER SHAPE:
    ODD
    PRODUCT NAME:
    PRE-FILTER
    TYPE:
    COVER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    FILTER MEDIA MATERIAL:
    FOAM
    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    Subtotal:
  • On Sale
    NO TOIL Air Filter X140-50

    NO TOIL Air Filter X140-50

    NO TOIL

    MSRP: $36.95
    Now: $24.00
    Was: $36.95
    If you're riding in extreme dust or sand conditions where standard filtration falls short, the NO TOIL Air Filter X140-50 delivers the enhanced dirt-stopping power your engine needs without sacrificing reliability. The dual-layer flame-laminated foam...
    10114400
    SKU:
    10114400
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    BASE COLOR:
    YELLOW
    MODEL:
    EXTREME CONDITION
    TYPE:
    DUAL-STAGE
    COLOR/FINISH:
    YELLOW
    FILTER MEDIA MATERIAL:
    FOAM
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    OVAL
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    FLAME LAMINATED
    UNITS:
    EACH
    MSRP: $36.95
    Now: $24.00
    Was: $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $36.95
    Now: $24.00
    Was: $36.95
    Subtotal:
  • On Sale
    NO TOIL Pre-Filter PF150-06

    NO TOIL Pre-Filter PF150-06

    NO TOIL

    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    If you're running your vehicle in high-dust environments—whether that's desert racing, off-road competitions, or heavily contaminated shop conditions—the NO TOIL Pre-Filter PF150-06 is essential insurance for your engine. This dust cover fits over your...
    10114380
    SKU:
    10114380
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FILTER MEDIA MATERIAL:
    FOAM
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    FILTER SHAPE:
    ODD
    PRODUCT NAME:
    PRE-FILTER
    BASE COLOR:
    BLACK
    TYPE:
    COVER
    UNITS:
    EACH
    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.95
    Now: $13.00
    Was: $19.95
    Subtotal:
  • On Sale
    NO TOIL Air Filter 520-16

    NO TOIL Air Filter 520-16

    NO TOIL

    MSRP: $30.95
    Now: $20.00
    Was: $30.95
    A quality air filter is non-negotiable for engine longevity and peak performance across any riding discipline. The NO TOIL 520-16 combines dual-layer foam construction with proven filtration science to deliver consistent airflow while keeping...
    10114381
    SKU:
    10114381
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    EACH
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    ODD
    TYPE:
    DUAL-STAGE
    BASE COLOR:
    YELLOW
    FILTER SHAPE:
    OVAL
    STYLE:
    FLAME LAMINATED
    FILTER MEDIA MATERIAL:
    FOAM
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    MSRP: $30.95
    Now: $20.00
    Was: $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.95
    Now: $20.00
    Was: $30.95
    Subtotal:
  • NO TOIL Air Filter 220-12

    NO TOIL Air Filter 220-12

    NO TOIL

    $14.95
    Air filtration directly impacts engine performance, fuel efficiency, and longevity—especially in demanding riding conditions where dust and debris accumulate quickly. The NO TOIL 220-12 delivers superior protection without sacrificing the airflow your...
    10114382
    SKU:
    10114382
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    BASE COLOR:
    YELLOW
    FILTER MEDIA MATERIAL:
    FOAM
    TYPE:
    DUAL-STAGE
    PRODUCT NAME:
    AIR FILTER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    YELLOW
    FILTER MEDIA STYLE:
    DUAL-LAYER
    FILTER SHAPE:
    OVAL
    STYLE:
    FLAME LAMINATED
    UNITS:
    EACH
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    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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