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
-
MOOSE RACING Air Filter - DR250/350S '90-'99 2-70-01
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...M7627001- SKU:
- M7627001
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BASE COLOR:
- WHITE
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- OFF-ROAD
$26.95 -
MOOSE RACING Air Filter - DR650 2-70-02
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...M7627002- SKU:
- M7627002
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- YELLOW
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- WHITE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- WHITE
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
$26.95 -
MOOSE RACING Air Filter - KLX/DRZ 400 2-70-04
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...M7627004- SKU:
- M7627004
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BASE COLOR:
- WHITE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$26.95 -
MOOSE RACING Air Filter - DRZ250 2-70-05
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...M7627005- SKU:
- M7627005
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- WHITE
- BASE COLOR:
- WHITE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
$26.95 -
MOOSE RACING Air Filter - IT200 '84-'86 2-80-02
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...M7628002- SKU:
- M7628002
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- WHITE
- FILTER MEDIA MATERIAL:
- FOAM
$26.95 -
MOOSE RACING Air Filter - TT/TTR 250/350 2-80-04
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...M7628004- SKU:
- M7628004
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- BASE COLOR:
- WHITE
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- COLOR/FINISH:
- WHITE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$26.95 -
MOOSE RACING Air Filter - TTR225 '99-'04 2-80-12
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...M7628012- SKU:
- M7628012
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BASE COLOR:
- RED
- UNITS:
- EACH
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$26.95 -
MOOSE RACING Air Filter - TTR 125 2-80-13
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...M7628013- SKU:
- M7628013
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- BASE COLOR:
- YELLOW
- BASE COLOR:
- WHITE
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- WHITE
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$26.95 -
CV4 Radiator Cap - 2.0 bar CV715-31M
CV4
$44.95Made with the highest-grade spring wire to provide the most consistent and accurate blow-off pressure, Helps prevent overheating, Increased pressure rating equates to higher boil-over point, Higher coolant pressures dissipate heat from cylinder heads...19020035- SKU:
- 19020035
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- GRAY
- PRESSURE RATING METRIC:
- 2.0 BAR
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- NOT FOR HUSABERG, HUSQVARNA AND KTM
- BASE COLOR:
- GRAY
- PRODUCT NAME:
- RADIATOR CAP
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$44.95 -
R&D Fuel Tuner - Sea-Doo 185 Horse Power 803-95001
R&D
$439.95R&D Performance has tested, documented and analyzed the OEM fuel maps on every current fuel-injected 4-stroke watercraft, and pre-programmed and coded the new R&D Powershot fuel-injection control module to safely alter the OEM fuel map to a higher...10202545- SKU:
- 10202545
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- TUNING MODULE
- BASE COLOR:
- WHITE
- COLOR/FINISH:
- BLUE
- PROGRAMMING:
- PROGRAMMABLE
- TYPE:
- AIR/FUEL RATIO
- BASE COLOR:
- BLUE
- COLOR/FINISH:
- WHITE
- PROGRAMMING:
- PRE-PROGRAMMED
- RIDING STYLE:
- WATERCRAFT
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- UNITS:
- EACH
$439.95 -
Samco Sport Red 3mm ID Vent Line for Carburetor Breather and Air Pipes 07060153
SAMCO SPORT
$24.95The SAMCO SPORT Vent Line Red 3mm ID USA-VT3B-2W-RD is a versatile and reliable solution for various automotive applications. Designed for use in carburetor breathers, air pipes, radiator overflow systems, and emission air lines, this high-quality vent...07060153- SKU:
- 07060153
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- INSIDE DIAMETER METRIC:
- 3.0 MM
- LENGTH IMPERIAL:
- 10'
- MATERIAL:
- SILICONE
- TYPE:
- VENT
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- OUTSIDE DIAMETER METRIC:
- 7 MM
- PRODUCT NAME:
- TUBING
- APPLICATION:
- CARBURETED
- BASE COLOR:
- RED
- LENGTH METRIC:
- 305 CM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$24.95 -
Samco Sport Vent Line Red 5mm ID Carbureted Vehicles USA-VT5B-25WRD
SAMCO SPORT
$37.95The SAMCO SPORT Vent Line is a versatile solution for various automotive applications, including carburetor breathers, air pipes, and radiator overflow systems. Designed for durability and flexibility, this high-quality vent line ensures optimal airflow...07060161- SKU:
- 07060161
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- APPLICATION:
- CARBURETED
- COLOR/FINISH:
- RED
- LENGTH METRIC:
- 305 CM
- RIDING STYLE:
- STREET
- TYPE:
- VENT
- UNITS:
- EACH
- BASE COLOR:
- RED
- INSIDE DIAMETER METRIC:
- 5.0 MM
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- UTV
- LENGTH IMPERIAL:
- 10'
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 10 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$37.95 -
MIKUNI VM Series Carburetor - 26mm VM26-8074
MIKUNI
$142.00Adjustment 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 Japan10020051- SKU:
- 10020051
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- PILOT JET:
- 60 (VM22/210)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- STREET
- AIR JET:
- 0.5
- CARBURETOR SIZE METRIC:
- 26.00 MM
- COLOR/FINISH:
- SILVER
- NEEDLE VALVE:
- 2.5 (VM26/26)
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- MAIN JET:
- 190 (4/042)
- NEEDLE:
- 5F21
- NEEDLE JET:
- N-8 (182 SERIES)
- RIDING STYLE:
- ATV
- SLIDE CUTAWAY:
- 2.0 (VM28/56)
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 35
- COLOR/FINISH:
- NATURAL
$142.00 -
MIKUNI VM Series Carburetor - 28mm VM28-49
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 Japan10020052- SKU:
- 10020052
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PILOT JET:
- 60 (VM22/210)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- SLIDE CUTAWAY:
- 2.5 (VM28/56)
- BASE COLOR:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- NEEDLE:
- 5F21
- NEEDLE JET:
- N-8 (169 SERIES)
- NEEDLE VALVE:
- 3.2 (VM26/26)
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 35
- AIR JET:
- 0.5
- CARBURETOR SIZE METRIC:
- 28.00 MM
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- NATURAL
- MAIN JET:
- 200 (4/042)
- UNITS:
- EACH
$165.00 -
MIKUNI VM Series Carburetor - 30mm VM30-83
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 Japan10020053- SKU:
- 10020053
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- COLOR/FINISH:
- SILVER
- FEATURES:
- CLAMP-ON TYPE MOUNTING
- MAIN JET:
- 250 (4/042)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- OFF-ROAD
- SLIDE CUTAWAY:
- 2.5 (VM34/110)
- COLOR/FINISH:
- NATURAL
- NEEDLE VALVE:
- 3.3 (VM34/39)
- RIDING STYLE:
- UTV
- CARBURETOR SIZE METRIC:
- 30.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 40
- AIR JET:
- 2.0
- BASE COLOR:
- SILVER
- NEEDLE:
- 6F5
- NEEDLE JET:
- P-5 (159 SERIES)
- PILOT JET:
- 40 (VM22/210)
- UNITS:
- EACH
$165.00 -
MIKUNI Air Cut-Off Valve Assembly - Yamaha MK-403
MIKUNI
$48.99Kit replaces OE plastic diaphragm cover which will crack over time and is not offered through Yamaha, Includes diaphragm cover, O-ring, diaphragm spring and diaphragm, Genuine Mikuni parts, Made in Japan10030392- SKU:
- 10030392
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- VALVE
- TYPE:
- AIR CUT-OFF
- BASE COLOR:
- BLACK
- RIDING STYLE:
- UTV
$48.99Qty in Cart: 0Quantity:Price:$48.99Subtotal: -
MIKUNI Viton‚® Needle and Seat - 2.0 786-15005-2.0
MIKUNI
$24.15Genuine Mikuni needle and seat assemblies provide reliable performance, Check application and size of needle and seat assembly before ordering, 786-15005 Viton® Tip style needle and seat fits an BN carbs, Made to the highest standards10070406- SKU:
- 10070406
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- FLOW RATE IMPERIAL:
- 2.00 GPH
- PRODUCT NAME:
- NEEDLE AND SEAT
- RIDING STYLE:
- SNOW
- UNITS:
- EACH
$24.15Qty in Cart: 0Quantity:Price:$24.15Subtotal: -
MIKUNI Super BN Series Carburetor BN34-28-8010
MIKUNI
$329.95Carburetors have correct regular throttle shaft with choke shaft for easy installation, OE style replacement carburetors, Made in JapanBN34288010- SKU:
- BN34288010
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CARBURETOR
- BASE COLOR:
- BLACK
- CARBURETOR SIZE METRIC:
- 34.00 MM
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- WATERCRAFT
$329.95 -
MIKUNI Super BN Carburetor Series Needle Valve Assembly 786-35015-2.5
MIKUNI
$24.15Genuine Mikuni push-in type needle and seat for Super BN and BNI carburetors, Made in Japan7863501525- SKU:
- 7863501525
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$24.15 -
MIKUNI Needle Valve Assembly 786-46001-1.5
MIKUNI
$24.15Genuine Mikuni needle and seat assemblies provide reliable performance, Check application and size of needle and seat assembly before ordering, Made to the highest standards, Made in Japan7864600115- SKU:
- 7864600115
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- THREAD DIAMETER METRIC:
- 10.00 MM
- THREAD LENGTH METRIC:
- 7.00 MM
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- HEAD TYPE:
- PUSH-IN
- JET SIZE:
- 1.5
- PRODUCT NAME:
- NEEDLE AND SEAT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$24.15Qty in Cart: 0Quantity:Price:$24.15Subtotal:
