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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
    The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can...
    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
    Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase, Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increase, Stage 3: stock/mild modified engine, stock/modified pipes,...
    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
    Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase, Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increase, Stage 3: stock/mild modified engine, stock/modified pipes,...
    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
    $114.43
    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
    Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase, Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increase, Stage 3: stock/mild modified engine, stock/modified pipes,...
    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
    Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase, Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increase, Stage 3: stock/mild modified engine, stock/modified pipes,...
    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

    $8.95
    Use to route or repair fuel lines, oil lines and air lines, Barbed ends provide a secure fit, Made in the U.S.A.
    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
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • CV4 Vent Tubing - Blue - 4mm SFSVT4-3B

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

    CV4

    $24.95
    Made from pure silicone rubber, Designed for vent lines on carburetors, gas cap overflow, radiator overflow, water pump bypass, oil cooler and various other applications, Working operating temperature up to 420°F (215°C), NOT designed as a fuel delivery...
    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
    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
    Made of flame-laminated dual-layer foam bonded with the highest quality glue to stand up to the roughest and toughest of any style of riding or terrain, These filters, used with No Toil foam filter treatment, provide the best air filtration system in the...
    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
    Clean easily with No Toil's biodegradable foam filter cleaner (sold separately), Superior foam strength for long life (40+ non-toxic washes), Better airflow for greater horsepower, Pre-oiled and ready to go
    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
    Filter has a flame retardant inner lining and protects bike and rider from unwanted fires, More air for more horsepower, Easy to install
    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
    Made of flame-laminated dual-layer foam bonded with the highest quality glue to stand up to the roughest and toughest of any style of riding or terrain, These filters, used with No Toil foam filter treatment, provide the best air filtration system in the...
    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
    Replacement cage for OEM style cage
    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
    Replacement cage for OEM style cage
    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
    Replacement cage for OEM style cage
    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
    Dust cover that is applied over a pre-oiled air filter, For very dusty conditions
    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
    Dust cover that is applied over a pre-oiled air filter, For very dusty conditions
    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
    Made of flame-laminated dual-layer foam bonded with the highest quality glue to stand up to the roughest and toughest of riding styles and terrains, For use in riding conditions that are so extremely dusty or sandy that added protection is needed, Slight...
    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
    Dust cover that is applied over a pre-oiled air filter, For very dusty conditions
    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
    Made of flame-laminated dual-layer foam bonded with the highest quality glue to stand up to the roughest and toughest of any style of riding or terrain, These filters, used with No Toil foam filter treatment, provide the best air filtration system in the...
    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
    Made of flame-laminated dual-layer foam bonded with the highest quality glue to stand up to the roughest and toughest of any style of riding or terrain, These filters, used with No Toil foam filter treatment, provide the best air filtration system in the...
    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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