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
$26.95Your DR250/350S demands an air filter that can handle real-world riding conditions without sacrificing airflow or engine protection. MOOSE RACING's dual-foam design traps both coarse debris and fine dust particles, keeping your carburettor and engine...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
$26.95A quality air filter is your engine's first line of defense against dust, debris, and moisture that compromise performance and longevity. The MOOSE RACING Air Filter for the DR650 uses a proven two-layer foam design that maximizes airflow while trapping...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
$26.95A clean air filter is the foundation of engine reliability, especially on high-performance machines like the KLX and DRZ 400. The MOOSE RACING Air Filter delivers dual-stage filtration that captures everything from coarse debris to fine dust without...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
$26.95A clean, unrestricted air supply is fundamental to your DRZ250's performance and engine longevity. The MOOSE RACING Air Filter combines dual-stage foam filtration with a water-resistant seal to maintain optimal airflow while protecting your engine from...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
$26.95A quality air filter is non-negotiable for engine longevity and consistent performance—especially on vintage machines where OEM replacements are scarce. The MOOSE RACING IT200 filter uses a dual-layer foam design that maintains optimal airflow while...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
$26.95Your TT/TTR 250/350 demands an air filter that won't compromise airflow or protection—especially in dusty or wet riding conditions. The MOOSE RACING 2-80-04 delivers dual-layer foam filtration that traps both large particles and fine dust without the...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
$26.95A quality air filter is your engine's first line of defense against contamination that reduces power and shortens component life. The MOOSE RACING Air Filter for TTR225 models uses dual-foam construction to trap large particles on the outer layer while...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
$26.95A quality air filter is the first line of defense against contamination in your TTR 125's engine. The MOOSE RACING Air Filter uses a proven two-layer foam design that balances maximum airflow with superior particle capture, keeping your engine cleaner...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
$44.95A radiator cap might seem like a minor component, but it's critical to your cooling system's performance—especially under high-load racing conditions. The CV4 Radiator Cap maintains precise blow-off pressure through premium spring wire construction,...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 -
On Sale
R&D Fuel Tuner - Sea-Doo 185 Horse Power 803-95001
R&D
MSRP: $439.95Now: $282.00Was: $439.95Factory fuel maps on modern 4-stroke jet skis are tuned for reliability, not performance—leaving horsepower on the table. The R&D Powershot fuel-injection control module remaps your Sea-Doo's air-to-fuel ratio (A.F.R.) to a richer, higher-performing...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
MSRP: $439.95Now: $282.00Was: $439.95Qty in Cart: 0Quantity:Price:MSRP: $439.95Now: $282.00Was: $439.95Subtotal: -
Samco Sport Red 3mm ID Vent Line for Carburetor Breather and Air Pipes 07060153
SAMCO SPORT
$24.95Carburetor breather systems and custom air lines demand a vent solution that won't collapse under vacuum or restrict flow. The Samco Sport Red 3mm ID Vent Line provides the reliability and flexibility you need for proper crankcase evacuation, radiator...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
$37.95Carburetor systems require reliable, flexible routing for breather and overflow lines—and cheap tubing degrades quickly under heat and vibration. The Samco Sport Vent Line delivers the durability and precise fitment you need for clean, trouble-free...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
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
MIKUNI VM Series Carburetor - 26mm VM26-8074
MIKUNI
$142.00The Mikuni VM26-8074 delivers precise fuel metering and responsive throttle control for small-displacement and mid-range engines where tuning flexibility matters. This round-slide design maximizes airflow efficiency while maintaining the adjustability...10020051- 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
$165.00The Mikuni VM28-49 delivers precise fuel metering and responsive throttle control for high-performance engines that demand reliability. Its round slide design maximizes intake flow while maintaining the fine adjustment capability that separates...10020052- 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
$165.00The Mikuni VM30-83 is a precision-engineered 30mm carburetor designed for riders and builders seeking reliable fuel delivery and responsive throttle control in high-performance applications. Its round slide configuration delivers superior flow...10020053- 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
$48.99The OE plastic diaphragm cover on your Yamaha will eventually crack—it's not a matter of if, but when. This genuine Mikuni replacement assembly restores proper air cut-off valve function, preventing lean-running conditions and ensuring consistent...10030392- 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
$48.99 -
MIKUNI Viton‚® Needle and Seat - 2.0 786-15005-2.0
MIKUNI
$24.15A worn or damaged needle and seat directly compromises fuel atomization and carburetor response, leading to inconsistent jetting and poor throttle control. This genuine Mikuni assembly restores precise fuel metering and ensures your carb performs at OEM...10070406- 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
$24.15 -
MIKUNI Super BN Series Carburetor BN34-28-8010
MIKUNI
$329.95If your engine is running lean, surging, or struggling with cold starts, a worn or damaged carburetor is often the culprit. The MIKUNI Super BN Series delivers consistent fuel atomization and precise air-fuel mixture control, restoring reliable...BN34288010- 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
$24.15A properly functioning needle valve assembly is critical to carburetor fuel delivery precision—this genuine Mikuni component ensures consistent atomization and metering across throttle positions. If your Super BN or BNI carburetor is running lean, rich,...7863501525- SKU:
- 7863501525
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$24.15 -
MIKUNI Needle Valve Assembly 786-46001-1.5
MIKUNI
$24.15The needle and seat assembly is critical to precise fuel metering in your carburettor—a worn or damaged unit directly compromises throttle response, fuel economy, and engine reliability. Genuine Mikuni assemblies maintain the exacting tolerances required...7864600115- 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
$24.15
