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
-
CV4 Vent Tubing - Yellow - 4mm SFSVT4-3Y
CV4
$24.95Made 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...07060098- SKU:
- 07060098
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- BASE COLOR:
- YELLOW
- INSIDE DIAMETER:
- 4,0 MM
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- INSIDE DIAMETER METRIC:
- 4.0 MM
- LENGTH IMPERIAL:
- 9.8'
- MATERIAL:
- SILICONE RUBBER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VENT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$24.95 -
Samco Sport Vent Line Blue 4mm ID Carbureted ATV 10ft USA-VT4B-2W-BL
SAMCO SPORT
$25.95The SAMCO SPORT Vent Line in vibrant blue is a versatile solution for various automotive applications, including carburetor breathers and air pipes. With a robust 4mm inner diameter, this flexible tubing is ideal for managing fluid overflow and emission...07060156- SKU:
- 07060156
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- APPLICATION:
- CARBURETED
- RIDING STYLE:
- ATV
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 8 MM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLUE
- INSIDE DIAMETER METRIC:
- 4.0 MM
- LENGTH IMPERIAL:
- 10'
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- BASE COLOR:
- BLUE
- LENGTH METRIC:
- 305 CM
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
- UNITS:
- EACH
$25.95 -
Samco Sport Vent Line Red 4mm ID for 2023 Kawasaki ZX-4RR USA-VT4B-2W-RD
SAMCO SPORT
$25.95The SAMCO SPORT Vent Line in vibrant red is a versatile 4mm ID hose designed for various automotive applications. Ideal for use as a carburetor breather, air pipes, radiator overflow, and emission air pipes, this high-quality silicone hose is engineered...07060157- SKU:
- 07060157
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- BASE COLOR:
- RED
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- INSIDE DIAMETER METRIC:
- 4.0 MM
- LENGTH IMPERIAL:
- 10'
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 8 MM
- RIDING STYLE:
- STREET
- APPLICATION:
- CARBURETED
- COLOR/FINISH:
- RED
- LENGTH METRIC:
- 305 CM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
$25.95 -
WSM Keihin High-Speed Jet 006-7130
WSM
$2.07For Keihin CDK 2 watercraft carbs, Made in Japan for WSM0067130- SKU:
- 0067130
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- MODEL:
- KEIHIN
- JET SIZE:
- 130
- TYPE:
- MAIN
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- JET
- UNITS:
- EACH
$2.07 -
WSM Keihin High-Speed Jet 006-7132
WSM
$2.07For Keihin CDK 2 watercraft carbs, Made in Japan for WSM0067132- SKU:
- 0067132
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MATERIAL:
- BRASS
- TYPE:
- MAIN
- UNITS:
- EACH
- JET SIZE:
- 132
- RIDING STYLE:
- WATERCRAFT
- MODEL:
- KEIHIN
- PRODUCT NAME:
- JET
$2.07 -
WSM Keihin High-Speed Jet 006-7138
WSM
$2.07For Keihin CDK 2 watercraft carbs, Made in Japan for WSM0067138- SKU:
- 0067138
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- JET SIZE:
- 138
- MODEL:
- KEIHIN
- PRODUCT NAME:
- JET
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
$2.07 -
WSM Keihin High-Speed Jet 006-7142
WSM
$2.07For Keihin CDK 2 watercraft carbs, Made in Japan for WSM0067142- SKU:
- 0067142
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- TYPE:
- MAIN
- UNITS:
- EACH
- JET SIZE:
- 142
- MATERIAL:
- BRASS
- RIDING STYLE:
- WATERCRAFT
- MODEL:
- KEIHIN
- PRODUCT NAME:
- JET
$2.07 -
MIKUNI TMX Series Carburetor TM38-18
MIKUNI
$229.00Lightweight, flat slide design with smooth bore venturi provides improved throttle response and a wider powerband, Baffled chamber enclosing main jet allows for improved performance on rough terrain, Twin floats move independently to improve cornering...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
$229.00Flat slide design helps create a smooth bore effect, increasing air flow, Significant performance improvements over older round slide carbs, Great throttle response because of more precise fuel metering, All are center-pull style throttle, unless noted...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
$229.00 -
MIKUNI TM Series Carburetor TM38-86
MIKUNI
$229.00Flat slide design helps create a smooth bore effect, increasing air flow, Significant performance improvements over older round slide carbs, Great throttle response because of more precise fuel metering, All are center-pull style throttle, unless noted...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
$229.00 -
MIKUNI TM Series Carburetor TM40-6
MIKUNI
$360.00Flat slide design helps create a smooth bore effect, increasing air flow, Significant performance improvements over older round slide carbs, Great throttle response because of more precise fuel metering, All are center-pull style throttle, unless noted...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
$360.00 -
MIKUNI VM Series Carburetor - 18mm VM18-144
MIKUNI
$165.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in Japan10020046- 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
$165.00Adjustment screws and enricher are on left side of carburetor unless noted, Round slide configuration offers great flow characteristics, Use Mikuni jets and parts for best results, Clamp type mounting unless noted via footnote, Made in Japan10020048- 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
$165.00 -
MIKUNI Pilot Jet - 4-Pack BS30/96-42.5
MIKUNI
$5.20Fit OE applications that came with a (BS) CV Mikuni carburetors, Made in JapanKBS3096425- 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
$5.20 -
MIKUNI Pilot Jet - 4-Pack BS30/96-47.5
MIKUNI
$5.20Fit OE applications that came with a (BS) CV Mikuni carburetors, Made in JapanKBS3096475- 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
$5.20 -
MOOSE RACING Carburetor Vent Line - Black - 1/8" - 5' 180-1407
MOOSE RACING
$15.95This quality-made fuel line will not harden or crack, Made in the U.S.A., Not to be used with fuel over 10% alcohol.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
$26.95Coarse outer foam traps large particles while fine inner foam catches the finest dust, Super Seal neoprene ring keeps out water and provides a no-grease seal, Bonded, two-layer foam designed for maximum protection and airflow, Flexible glue is used on...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
$26.95Coarse outer foam traps large particles while fine inner foam catches the finest dust, Super Seal neoprene ring keeps out water and provides a no-grease seal, Bonded, two-layer foam designed for maximum protection and airflow, Flexible glue is used on...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
$29.95Coarse outer foam traps large particles while fine inner foam catches the finest dust, Super Seal neoprene ring keeps out water and provides a no-grease seal, Bonded, two-layer foam designed for maximum protection and airflow, Flexible glue is used on...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
$24.99Made 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...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
$24.99
