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 - 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...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...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...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
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
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...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...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
$142.00The 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...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...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
$165.00Qty in Cart: 0Quantity:Price:$165.00Subtotal: -
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...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...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
$48.99Qty in Cart: 0Quantity:Price:$48.99Subtotal: -
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...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
$24.15Qty in Cart: 0Quantity:Price:$24.15Subtotal: -
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...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...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...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 -
MIKUNI Needle and Seat 786-46001-1.8
MIKUNI
$24.15A properly functioning needle and seat assembly is critical for precise fuel delivery and carburetor performance. The Mikuni 786-46001-1.8 delivers the OEM reliability you need to maintain consistent...7864600118- SKU:
- 7864600118
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$24.15 -
MIKUNI Needle and Seat 786-46001-2.0
MIKUNI
$24.15A worn or damaged needle and seat directly compromises fuel atomization and carburetor response, leading to poor throttle control and inconsistent jetting across RPM ranges. The Mikuni 786-46001-2.0...7864600120- SKU:
- 7864600120
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$24.15Qty in Cart: 0Quantity:Price:$24.15Subtotal: -
MIKUNI Jet Needle J8-7F06
MIKUNI
$10.50Fine-tuning your carburetor's mid-range fuel mixture requires precision, and the MIKUNI Jet Needle J8-7F06 delivers exactly that. This OEM-spec component directly controls fuel atomization during...7F6- SKU:
- 7F6
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- MODEL:
- J8-7F06
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
$10.50 -
MIKUNI Jet Needle J8-7F07
MIKUNI
$10.50The MIKUNI Jet Needle J8-7F07 is essential for fine-tuning your carburetor's fuel mixture in the critical mid-range throttle band, where most real-world riding happens. Proper needle selection...7F7- SKU:
- 7F7
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- J8-7F07
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$10.50 -
MIKUNI Jet Needle J8-5DP07
MIKUNI
$10.50Precision fuel metering in the mid-range throttle zone is critical for consistent performance and drivability across varying load conditions. The MIKUNI Jet Needle J8-5DP07 delivers the exact fuel...5DP7- SKU:
- 5DP7
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- NEEDLE
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MODEL:
- J8-5DP07
$10.50 -
MIKUNI Jet Needle J8-5FP17
MIKUNI
$10.50Precise fuel metering in the mid-range throttle position is critical for consistent engine performance, and the MIKUNI Jet Needle J8-5FP17 delivers exactly that. Whether you're tuning a stock Mikuni...5FP17- SKU:
- 5FP17
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- NEEDLE
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MODEL:
- J8-5FP17
$10.50 -
MIKUNI Jet Needle J8-5L01
MIKUNI
$10.50Precise mid-range fuel delivery is critical for responsive throttle control and consistent performance across the RPM band. The MIKUNI Jet Needle J8-5L01 fine-tunes your carburetor's fuel mixture...5L1- SKU:
- 5L1
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- MODEL:
- J8-5L01
- RIDING STYLE:
- OFF-ROAD
$10.50
