Select Your Ride

1
2
3

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
  • MIKUNI Pilot Jet - 4-Pack BS30/96-45

    MIKUNI Pilot Jet - 4-Pack BS30/96-45

    MIKUNI

    $14.56
    Fit OE applications that came with a (BS) CV Mikuni carburetors, Made in Japan
    KBS309645
    SKU:
    KBS309645
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    TYPE:
    PILOT
    MATERIAL:
    BRASS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    BASE COLOR:
    BRASS
    JET SIZE:
    45
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    UNITS:
    4 PACK
    $14.56
    Qty in Cart: 0
    Quantity:
    Price:
    $14.56
    Subtotal:
  • CV4 Vent Tubing - Green - 3mm SFSVT3-3G

    CV4 Vent Tubing - Green - 3mm SFSVT3-3G

    CV4

    $24.99
    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...
    07060090
    SKU:
    07060090
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    STREET
    TYPE:
    VENT
    MATERIAL:
    SILICONE RUBBER
    RIDING STYLE:
    UTV
    COLOR/FINISH:
    GREEN
    PRODUCT NAME:
    TUBING
    BASE COLOR:
    GREEN
    INSIDE DIAMETER:
    3,0 MM
    INSIDE DIAMETER METRIC:
    3.0 MM
    LENGTH IMPERIAL:
    9.8'
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • MIKUNI Needle Jet 990-793-004-Q-5 MIKUNI Needle Jet 990-793-004-Q-5

    MIKUNI Needle Jet 990-793-004-Q-5

    MIKUNI

    $15.49
    Inside diameter increases in size as size’s code increases alphabetically and numerically, Genuine Mikuni needle jets will have series and size stamping for identification, Needle jets allow a great way for tuning carb at 1/4-3/4 turn throttle, Made in...
    159Q5
    SKU:
    159Q5
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    FEATURES:
    FOR VM 30 MM - 36 MM SPIGOT
    PRODUCT NAME:
    JET
    TYPE:
    NEEDLE
    MODEL:
    TYPE 159
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    JET SIZE:
    Q-5
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MATERIAL:
    BRASS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    $15.49
    Qty in Cart: 0
    Quantity:
    Price:
    $15.49
    Subtotal:
  • MIKUNI Pilot Jet #70 4-Pack VM22/210-70

    MIKUNI Pilot Jet #70 4-Pack VM22/210-70

    MIKUNI

    $14.55
    These genuine Mikuni pilot jets fit all VM, TM and aftermarket TMX carbs, Sold to dealer 4-pack; sold to consumer as each, Made in Japan
    KM570
    SKU:
    KM570
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    JET SIZE:
    70
    TYPE:
    PILOT
    COLOR/FINISH:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    UNITS:
    4 PACK
    BASE COLOR:
    BRASS
    FEATURES:
    FOR VM CARBURETORS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    HEAD DIAMETER METRIC:
    4.00 MM
    MATERIAL:
    BRASS
    OVERALL LENGTH METRIC:
    14.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $14.55
    Qty in Cart: 0
    Quantity:
    Price:
    $14.55
    Subtotal:
  • SHINDY Carburetor Kit - Xpress/300 '94-'95 03-402

    SHINDY Carburetor Kit - Xpress/300 '94-'95 03-402

    SHINDY

    $21.95
    Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...
    10031095
    SKU:
    10031095
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    CONVERSION KIT
    BASE COLOR:
    BLACK
    $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • K&L SUPPLY Economy Carburetor Repair Kit - Suzuki 18-4940

    K&L SUPPLY Economy Carburetor Repair Kit - Suzuki 18-4940

    K&L SUPPLY

    $22.95
    Each kit contains all necessary gaskets, O-rings and jets to rebuild one OE carb, Economy repair kits do not include main jets or pilot jets, Kits come with needle and seat if removable on OEM
    10030422
    SKU:
    10030422
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    KIT
    MATERIAL:
    RUBBER
    PRODUCT NAME:
    REPAIR KIT
    MODEL:
    ECONOMY
    RIDING STYLE:
    ATV
    TYPE:
    CARBURETOR
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • K&L SUPPLY Economy Carburetor Repair Kit - Suzuki 18-4910

    K&L SUPPLY Economy Carburetor Repair Kit - Suzuki 18-4910

    K&L SUPPLY

    $22.95
    Each kit contains all necessary gaskets, O-rings and jets to rebuild one OE carb, Economy repair kits do not include main jets or pilot jets, Kits come with needle and seat if removable on OEM
    10030423
    SKU:
    10030423
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    MATERIAL:
    RUBBER
    MODEL:
    ECONOMY
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    REPAIR KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • K&L SUPPLY Economy Carburetor Repair Kit - Yamaha 18-9391

    K&L SUPPLY Economy Carburetor Repair Kit - Yamaha 18-9391

    K&L SUPPLY

    $24.95
    Each kit contains all necessary gaskets, O-rings and jets to rebuild one OE carb, Economy repair kits do not include main jets or pilot jets, Kits come with needle and seat if removable on OEM
    10030427
    SKU:
    10030427
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MODEL:
    ECONOMY
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    MATERIAL:
    RUBBER
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    UTV
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SHINDY Carburetor Kit - ALT/LT125 '83-'87 03-201

    SHINDY Carburetor Kit - ALT/LT125 '83-'87 03-201

    SHINDY

    $16.95
    Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...
    10031038
    SKU:
    10031038
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    CONVERSION KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    RIDING STYLE:
    ATV
    TYPE:
    CARBURETOR
    $16.95
    Qty in Cart: 0
    Quantity:
    Price:
    $16.95
    Subtotal:
  • SHINDY Carburetor Repair Kit - XR650L 03-741

    SHINDY Carburetor Repair Kit - XR650L 03-741

    SHINDY

    $30.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031173
    SKU:
    10031173
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    CARBURETOR
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • SHINDY Carburetor Kit - KX125 '01-'02 03-752

    SHINDY Carburetor Kit - KX125 '01-'02 03-752

    SHINDY

    $25.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031176
    SKU:
    10031176
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    CARBURETOR
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • SHINDY Carburetor Repair Kit - Kawasaki 03-757

    SHINDY Carburetor Repair Kit - Kawasaki 03-757

    SHINDY

    $42.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031181
    SKU:
    10031181
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    $42.95
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • SHINDY Carburetor Repair Kit -  KLX110 03-759

    SHINDY Carburetor Repair Kit - KLX110 03-759

    SHINDY

    $42.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031183
    SKU:
    10031183
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $42.95
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • SHINDY Carburetor Kit - YZ250 '02-'04 03-856

    SHINDY Carburetor Kit - YZ250 '02-'04 03-856

    SHINDY

    $31.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031219
    SKU:
    10031219
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    CARBURETOR
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • SHINDY Carburetor Repair Kit -  Yamaha 03-860

    SHINDY Carburetor Repair Kit - Yamaha 03-860

    SHINDY

    $42.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031222
    SKU:
    10031222
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    $42.95
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • SHINDY Carburetor Repair Kit - Yamaha 03-867

    SHINDY Carburetor Repair Kit - Yamaha 03-867

    SHINDY

    $48.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031229
    SKU:
    10031229
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    CARBURETOR
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $48.95
    Subtotal:
  • SHINDY Carburetor Repair Kit - TTR90 03-874

    SHINDY Carburetor Repair Kit - TTR90 03-874

    SHINDY

    $40.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031236
    SKU:
    10031236
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    CARBURETOR
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • SHINDY Carburetor Repair Kit - TTR90E 03-876

    SHINDY Carburetor Repair Kit - TTR90E 03-876

    SHINDY

    $40.95
    Includes main and pilot jets, jet needle sets, float valves, float chamber gaskets and O-rings (jets included in each kit are for common sizes; according to riding conditions and riding preference, different size jets may be used), Award-winning...
    10031238
    SKU:
    10031238
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • SHINDY Carburetor Repair Kit - TRX400 03-045

    SHINDY Carburetor Repair Kit - TRX400 03-045

    SHINDY

    $29.95
    Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...
    10031007
    SKU:
    10031007
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    REPAIR KIT
    COLOR/FINISH:
    BLACK
    TYPE:
    CARBURETOR
    UNITS:
    KIT
    RIDING STYLE:
    ATV
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • SHINDY Carburetor Repair Kit - TRX90 03-047

    SHINDY Carburetor Repair Kit - TRX90 03-047

    SHINDY

    $32.95
    Award winning rubber-top float valves are made using the highest quality rubber and a plated body for resistance to harsh gas, ethanol and methanol, The jets included in each kit are for common sizes; according to riding conditions and riding preference,...
    10031009
    SKU:
    10031009
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    RIDING STYLE:
    ATV
    TYPE:
    CARBURETOR
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER