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
- MOTION PRO Clutch Cable - Honda - Black Vinyl 02-0603 – Nylon-lined for smooth operation and OEM fit.
- UNI FILTER Filter - GS550/650 Miscellaneous NU-2439 – High-flow foam for better air intake and easy cleaning.
- MIKUNI Main Jet - 4-Pack N100604-1025 – Precision jets for VM16, HS40, HSR42/45/48 carbs.
- DYNOJET Power Vision 3 - Yamaha PV3-22-16 – Flash tunes with real-time data display for Yamaha models.
- UNI FILTER Filter - GS650G/GL/M NU-2440 – Precision fit with indefinite service life for Suzuki GS models.
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 TMX Series Carburetor TM38-18
MIKUNI
$229.00The MIKUNI TMX Series TM38-18 carburetor delivers precise fuel metering and responsive throttle control that flat-slide designs are engineered to provide. Its lightweight construction and smooth-bore...10020041- SKU:
- 10020041
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- COLOR/FINISH:
- NATURAL
- PRODUCT NAME:
- CARBURETOR
- BASE FINISH:
- NATURAL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 44.00 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- STYLE:
- FLAT SLIDE
$229.00Qty in Cart: 0Quantity:Price:$229.00Subtotal: -
MIKUNI TM Series Carburetor TM38-85
MIKUNI
$229.00If you're running an older round-slide carburetor, you're leaving performance on the table. The MIKUNI TM38-85 flat-slide design creates a smooth bore effect that significantly increases airflow,...10020043- SKU:
- 10020043
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MAIN JET:
- 230 (4/042)
- PILOT JET:
- 22.5 (VM22/210)
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 47
- AIR JET:
- NONE
- NEEDLE JET:
- Q-2 (389 SERIES)
- NEEDLE VALVE:
- -
- SLIDE CUTAWAY:
- 4.0
- STYLE:
- FLAT SLIDE
- UNITS:
- EACH
- CARBURETOR SIZE METRIC:
- 38.00 MM
- NEEDLE:
- 6FJ41
- PRODUCT NAME:
- CARBURETOR CENTER PULL
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$229.00Qty in Cart: 0Quantity:Price:$229.00Subtotal: -
MIKUNI TM Series Carburetor TM38-86
MIKUNI
$229.00The MIKUNI TM38-86 flat-slide carburetor delivers measurably better throttle response and airflow compared to conventional round-slide designs, making it the choice for builders seeking genuine...10020044- SKU:
- 10020044
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MAIN JET:
- 230 (4/042)
- PILOT JET:
- 22.5 (VM22/210)
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- SLIDE CUTAWAY:
- 4.0
- CARBURETOR SIZE METRIC:
- 38.00 MM
- NEEDLE JET:
- Q-2 (389 SERIES)
- NEEDLE VALVE:
- -
- RIDING STYLE:
- STREET
- STYLE:
- FLAT SLIDE
- UNITS:
- EACH
- AIR JET:
- NONE
- NEEDLE:
- 6FJ41
- PRODUCT NAME:
- CARBURETOR CENTER PULL
- RIDING STYLE:
- UTV
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 43
$229.00Qty in Cart: 0Quantity:Price:$229.00Subtotal: -
MIKUNI TM Series Carburetor TM40-6
MIKUNI
$360.00If you're running an older round-slide carburetor, you're leaving performance on the table. The MIKUNI TM Series TM40-6 delivers measurably better throttle response and air flow through its...10020045- SKU:
- 10020045
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- NEEDLE:
- J8-9DJY01
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 44
- RIDING STYLE:
- UTV
- SLIDE CUTAWAY:
- -
- AIR JET:
- 1.1
- MAIN JET:
- 165 (4/042)
- NEEDLE JET:
- Y-6 (568 SERIES)
- NEEDLE VALVE:
- -
- PRODUCT NAME:
- CARBURETOR BELL CRANK PUSH-PULL
- RIDING STYLE:
- STREET
- STYLE:
- FLAT SLIDE
- CARBURETOR SIZE METRIC:
- 40.00 MM
- PILOT JET:
- 17.5 (VM22/210)
- UNITS:
- EACH
$360.00Qty in Cart: 0Quantity:Price:$360.00Subtotal: -
MIKUNI VM Series Carburetor - 18mm VM18-144
MIKUNI
$165.00The Mikuni VM18-144 delivers reliable, predictable fuel delivery for carbureted performance builds where precision matters. Its round-slide design provides excellent flow characteristics and...10020046- SKU:
- 10020046
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COLOR/FINISH:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- OFF-ROAD
- MAIN JET:
- 80 (4/042)
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- AIR JET:
- 2.5
- CARBURETOR SIZE METRIC:
- 18.00 MM
- COLOR/FINISH:
- NATURAL
- NEEDLE:
- 4F18
- NEEDLE VALVE:
- 1.5 (VM15/172)
- RIDING STYLE:
- UTV
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 18
- BASE COLOR:
- SILVER
- NEEDLE JET:
- O-0 (145 SERIES)
- PILOT JET:
- 80 (VM22/210)
- SLIDE CUTAWAY:
- 3.0 (VM38/24)
- UNITS:
- EACH
$165.00 -
MIKUNI VM Series Carburetor - 22mm VM22-133
MIKUNI
$165.00The Mikuni VM22-133 delivers the precision fuel metering your high-revving engine demands, whether you're tuning a vintage street bike, small-displacement racer, or custom powersport build. Its...10020048- SKU:
- 10020048
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- CARBURETOR SIZE METRIC:
- 22.00 MM
- FEATURES:
- FLANGE TYPE MOUNTING
- NEEDLE VALVE:
- 2.0 (VM26/26)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- BASE COLOR:
- SILVER
- NEEDLE:
- 4D20
- PILOT JET:
- 30 (VM22/210)
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 22
- AIR JET:
- 2.5
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- SLIDE CUTAWAY:
- 2.0 (VM26/21)
- COLOR/FINISH:
- NATURAL
- MAIN JET:
- 100 (4/042)
- NEEDLE JET:
- N-8 (257 SERIES)
- UNITS:
- EACH
$165.00Qty in Cart: 0Quantity:Price:$165.00Subtotal: -
MIKUNI Pilot Jet - 4-Pack BS30/96-42.5
MIKUNI
$14.56Precise fuel metering is critical to carb tuning—and the pilot jet is where it starts. This 4-pack covers replacement needs and tuning experimentation, allowing you to dial in idle quality, low-rpm...KBS3096425- SKU:
- KBS3096425
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 42.5
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
$14.56 -
MIKUNI Pilot Jet - 4-Pack BS30/96-47.5
MIKUNI
$14.56Precise fuel metering is the foundation of carburetor performance, and a worn or incorrect pilot jet directly impacts cold starts, idle quality, and low-speed throttle response. This...KBS3096475- SKU:
- KBS3096475
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- JET SIZE:
- 47.5
- RIDING STYLE:
- SNOW
- TYPE:
- PILOT
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$14.56 -
MOOSE RACING Carburetor Vent Line - Black - 1/8" - 5' 180-1407
MOOSE RACING
$15.95A carburetor vent line is a critical component that prevents fuel tank pressure buildup and maintains proper fuel system operation—neglecting it can lead to carburetor flooding, performance issues,...M61091- SKU:
- M61091
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- LENGTH IMPERIAL:
- 5'
- LENGTH METRIC:
- 152 CM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- INSIDE DIAMETER METRIC:
- 3.2 MM
- MATERIAL:
- POLYURETHANE
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- APPLICATION:
- CARBURETED
- INSIDE DIAMETER IMPERIAL:
- 1/8'
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VENT
$15.95 -
MOOSE RACING Air Filter - CR80R '83-'85 1-20-01
MOOSE RACING
$26.95A clean air filter is non-negotiable for CR80R performance—restricted airflow kills throttle response and lets abrasive particles past your engine's first line of defense. The MOOSE RACING two-layer...M7612001- SKU:
- M7612001
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- BASE COLOR:
- RED
- BASE COLOR:
- YELLOW
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- COLOR/FINISH:
- YELLOW
$26.95 -
MOOSE RACING Air Filter - Honda 1-20-02
MOOSE RACING
$26.95A quality air filter is non-negotiable for engine performance and longevity—it's your engine's first line of defense against contamination. The MOOSE RACING 1-20-02 uses a proven two-layer foam...M7612002- SKU:
- M7612002
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- WHITE
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$26.95 -
MOOSE RACING Air Filter - CR450F 1-20-30
MOOSE RACING
$29.95A clogged or poorly-sealed air filter will rob your CR450F of power and invite contaminants into your engine—both problems that compromise performance and longevity. The MOOSE RACING Air Filter uses...M7612030- SKU:
- M7612030
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- WHITE
- UNITS:
- EACH
$29.95 -
CV4 Vent Tubing - Blue - 3mm SFSVT3-3B
CV4
$24.99Reliable vent tubing is critical for proper carburetor function, fuel system breathing, and cooling system efficiency—and cheap tubing fails under heat and pressure. The CV4 Vent Tubing delivers...07060089- SKU:
- 07060089
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- INSIDE DIAMETER:
- 3,0 MM
- LENGTH IMPERIAL:
- 9.8'
- MATERIAL:
- SILICONE RUBBER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- BASE COLOR:
- BLUE
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- INSIDE DIAMETER METRIC:
- 3.0 MM
- RIDING STYLE:
- STREET
$24.99Qty in Cart: 0Quantity:Price:$24.99Subtotal: -
CV4 Vent Tubing - Orange - 3mm SFSVT3-3O
CV4
$24.99Carburetor vent lines, overflow tubes, and coolant bypass hoses demand materials that won't degrade under heat cycles or harsh underhood conditions. The CV4 Vent Tubing delivers pure silicone...07060091- SKU:
- 07060091
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- BASE COLOR:
- ORANGE
- INSIDE DIAMETER:
- 3,0 MM
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- UTV
- MATERIAL:
- SILICONE RUBBER
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- VENT
- UNITS:
- EACH
- INSIDE DIAMETER METRIC:
- 3.0 MM
- LENGTH IMPERIAL:
- 9.8'
- RIDING STYLE:
- OFF-ROAD
$24.99Qty in Cart: 0Quantity:Price:$24.99Subtotal: -
CV4 Vent Tubing - Red - 3mm SFSVT3-3R
CV4
$24.99High-temperature vent tubing is critical for carburetor, overflow, and auxiliary cooling systems—any deterioration leads to leaks, system inefficiency, and potential engine bay contamination. The CV4...07060092- SKU:
- 07060092
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- TYPE:
- VENT
- UNITS:
- EACH
- MATERIAL:
- SILICONE RUBBER
- BASE COLOR:
- RED
- INSIDE DIAMETER:
- 3,0 MM
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- UTV
- INSIDE DIAMETER METRIC:
- 3.0 MM
- LENGTH IMPERIAL:
- 9.8'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$24.99Qty in Cart: 0Quantity:Price:$24.99Subtotal: -
CV4 Vent Tubing - Yellow - 3mm SFSVT3-3Y
CV4
$24.99Carburetor vent lines, overflow tubes, and coolant bypass hoses demand materials that won't degrade under heat cycling or chemical exposure. The CV4 Vent Tubing delivers pure silicone construction...07060093- SKU:
- 07060093
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- INSIDE DIAMETER:
- 3,0 MM
- MATERIAL:
- SILICONE RUBBER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- INSIDE DIAMETER METRIC:
- 3.0 MM
- LENGTH IMPERIAL:
- 9.8'
$24.99Qty in Cart: 0Quantity:Price:$24.99Subtotal: -
SHINDY Carburetor Repair Kit - YZ125 03-878
SHINDY
$29.95A properly tuned carburetor is the foundation of consistent engine performance, and worn jets, gaskets, and seals gradually degrade throttle response and fuel delivery precision. The SHINDY 03-878...10031240- SKU:
- 10031240
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$29.95 -
SHINDY Carburetor Repair Kit - YZ400F 03-879
SHINDY
$45.95A carburetor that's lost its precision will rob your YZ400F of throttle response and fuel efficiency. This SHINDY Repair Kit restores your OEM carb to factory specifications with wear-resistant...10031241- SKU:
- 10031241
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$45.95 -
SHINDY Carburetor Repair Kit - PW50 03-880
SHINDY
$40.95A worn or varnished carburetor will cost you power, throttle response, and reliability—especially on a PW50 that demands precise fuel delivery for consistent performance. This complete SHINDY rebuild...10031242- SKU:
- 10031242
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.95 -
SHINDY Carburetor Repair Kit - TW200 03-891
SHINDY
$40.95A carburetor that's running lean, clogged, or out of tune will cost you performance and fuel efficiency. The SHINDY 03-891 Repair Kit gives you everything needed to fully rebuild your TW200...10031248- SKU:
- 10031248
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
$40.95
