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
-
EBC VM Series Pilot Jet EBC28/486-45
EBC
$15.76Carburetor tuning demands precision, and a pilot jet malfunction or incorrect sizing will cause poor idle quality, hesitation on throttle transition, and unpredictable fuel mapping across your entire powerband. The EBC VM Series Pilot Jet delivers...10050061- SKU:
- 10050061
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- JET TIP DIAMETER METRIC:
- 2.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- RIDING STYLE:
- ATV
- THREAD DIAMETER METRIC:
- 4.00 MM
- JET SIZE:
- 45
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- PRODUCT NAME:
- PILOT JET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- TYPE:
- CARBURETOR
$15.76 -
EBC VM Series Pilot Jet EBC28/486-47.5
EBC
$5.90Precise fuel metering is the foundation of reliable carburetor performance, and worn or incorrect pilot jets compromise both throttle response and cold-start behavior. The EBC VM Series Pilot Jet delivers flow-calibrated brass construction that ensures...10050062- SKU:
- 10050062
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ATV
- TYPE:
- CARBURETOR
- JET SIZE:
- 47.5
- JET TIP DIAMETER METRIC:
- 2.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- THREAD DIAMETER METRIC:
- 4.00 MM
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- PRODUCT NAME:
- PILOT JET
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
$5.90 -
EBC VM Series Pilot Jet EBC28/486-50
EBC
$15.76Carburetor tuning is the foundation of consistent engine performance, and jet selection directly controls fuel atomization and combustion efficiency. The EBC VM Series Pilot Jet delivers precise flow calibration to eliminate rich or lean conditions at...10050063- SKU:
- 10050063
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- JET SIZE:
- 50
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- PRODUCT NAME:
- PILOT JET
- JET TIP DIAMETER METRIC:
- 2.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- THREAD DIAMETER METRIC:
- 4.00 MM
- UNITS:
- 4 PACK
$15.76 -
EBC VM Series Pilot Jet EBC28/486-52.5
EBC
$15.76Carburetor tuning is the foundation of engine performance, and jet selection directly controls your fuel atomization and air-fuel ratio precision. The EBC VM Series Pilot Jet delivers factory-calibrated fuel metering for smooth idle quality and crisp...10050064- SKU:
- 10050064
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET TIP DIAMETER METRIC:
- 2.00 MM
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- JET SIZE:
- 52.5
- PRODUCT NAME:
- PILOT JET
- RIDING STYLE:
- STREET
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- RIDING STYLE:
- UTV
- THREAD DIAMETER METRIC:
- 4.00 MM
- UNITS:
- 4 PACK
$15.76Qty in Cart: 0Quantity:Price:$15.76Subtotal: -
EBC VM Series Pilot Jet EBC28/486-55
EBC
$15.76Precise fuel metering is critical to consistent carburetor performance, and undersized or oversized pilot jets create lean/rich conditions that compromise throttle response and low-end driveability. The EBC VM Series Pilot Jet delivers flow-calibrated...10050065- SKU:
- 10050065
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET TIP DIAMETER METRIC:
- 2.00 MM
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- RIDING STYLE:
- STREET
- JET SIZE:
- 55
- RIDING STYLE:
- UTV
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- PRODUCT NAME:
- PILOT JET
- THREAD DIAMETER METRIC:
- 4.00 MM
- UNITS:
- 4 PACK
$15.76 -
EBC VM Series Pilot Jet EBC28/486-57.5
EBC
$15.76Precise fuel metering is the foundation of carburetor tuning, and a single pilot jet size change can mean the difference between a smooth idle and a lean stumble. The EBC VM Series Pilot Jet delivers flow-calibrated brass construction that locks in...10050066- SKU:
- 10050066
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- PRODUCT NAME:
- PILOT JET
- THREAD DIAMETER METRIC:
- 4.00 MM
- JET SIZE:
- 57.5
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- MATERIAL:
- BRASS
- RIDING STYLE:
- UTV
- TYPE:
- CARBURETOR
- UNITS:
- 4 PACK
- JET TIP DIAMETER METRIC:
- 2.00 MM
- RIDING STYLE:
- OFF-ROAD
$15.76Qty in Cart: 0Quantity:Price:$15.76Subtotal: -
EBC VM Series Pilot Jet EBC28/486-60
EBC
$15.76Precise fuel atomization is the foundation of reliable carburetor performance, and undersized or oversized pilot jets will rob you of smooth idle quality and crisp throttle response. The EBC VM Series Pilot Jet delivers flow-calibrated accuracy across...10050067- SKU:
- 10050067
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- PRODUCT NAME:
- PILOT JET
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TYPE:
- CARBURETOR
- UNITS:
- 4 PACK
- JET SIZE:
- 60
- JET TIP DIAMETER METRIC:
- 2.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- THREAD DIAMETER METRIC:
- 4.00 MM
$15.76Qty in Cart: 0Quantity:Price:$15.76Subtotal: -
EBC VM Series Pilot Jet EBC28/486-62.5
EBC
$15.76Precise fuel metering is the foundation of carburetor tuning—and this pilot jet delivers exactly that. Whether you're chasing peak idle quality, smooth throttle response, or consistent jetting across ambient conditions, EBC's brass pilot jets are...10050068- SKU:
- 10050068
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- PILOT JET
- JET TIP DIAMETER METRIC:
- 2.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- RIDING STYLE:
- ATV
- THREAD DIAMETER METRIC:
- 4.00 MM
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TYPE:
- CARBURETOR
- UNITS:
- 4 PACK
- JET SIZE:
- 62.5
- RIDING STYLE:
- STREET
$15.76 -
EBC VM Series Pilot Jet EBC28/486-65
EBC
$15.76Precision fuel delivery is non-negotiable in carburetor tuning, and the EBC VM Series Pilot Jet delivers repeatable, flow-calibrated accuracy across the entire idle and transition range. Whether you're dialing in a street engine or fine-tuning a race...10050069- SKU:
- 10050069
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- CARBURETOR
- JET SIZE:
- 65
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- PRODUCT NAME:
- PILOT JET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- JET TIP DIAMETER METRIC:
- 2.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- RIDING STYLE:
- ATV
- THREAD DIAMETER METRIC:
- 4.00 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$15.76 -
EBC VM Series Pilot Jet EBC28/486-67.5
EBC
$15.76Precise fuel metering is non-negotiable in carbureted performance engines, and this brass pilot jet delivers the flow calibration required for consistent idle quality and low-speed throttle response. Whether you're tuning a street machine or a...10050070- SKU:
- 10050070
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- PRODUCT NAME:
- PILOT JET
- THREAD DIAMETER METRIC:
- 4.00 MM
- UNITS:
- 4 PACK
- RIDING STYLE:
- UTV
- JET SIZE:
- 67.5
- RIDING STYLE:
- STREET
- JET TIP DIAMETER METRIC:
- 2.00 MM
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
$15.76 -
EBC Pilot Jet EBC224-12.5
EBC
$15.76Carburetor tuning demands precision, and fuel delivery is where that precision starts. The EBC Pilot Jet EBC224-12.5 is a flow-calibrated brass replacement that ensures accurate fuel metering at idle and low-throttle conditions—critical for smooth...10050073- SKU:
- 10050073
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BASE COLOR:
- BRASS
- JET SIZE:
- 12.5
- JET TIP DIAMETER METRIC:
- 2.50 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
- OVERALL DIAMETER METRIC:
- 5.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
- COLOR/FINISH:
- BRASS
- OVERALL LENGTH METRIC:
- 27.80 MM
$15.76 -
EBC Pilot Jet EBC224-20
EBC
$15.76Carburetor tuning demands precision, and a worn or incorrect pilot jet will throw off your fuel mixture across the entire RPM range. The EBC224-20 delivers flow-calibrated brass construction for consistent, accurate metering—critical whether you're...10050076- SKU:
- 10050076
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET TIP DIAMETER METRIC:
- 2.50 MM
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- JET SIZE:
- 20
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 27.80 MM
- TYPE:
- PILOT
$15.76 -
EBC Pilot Jet EBC224-25
EBC
$15.76Carburetor tuning demands precision, and a mis-sized pilot jet will throw off your fuel curve at low RPM—creating stumbling, poor idle quality, and wasted performance gains elsewhere. The EBC Pilot Jet EBC224-25 is a brass, flow-calibrated replacement...10050078- SKU:
- 10050078
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BRASS
- JET TIP DIAMETER METRIC:
- 2.50 MM
- OVERALL LENGTH METRIC:
- 27.80 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- JET SIZE:
- 25
- OVERALL DIAMETER METRIC:
- 5.00 MM
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
$15.76 -
EBC Pilot Jet EBC224-27.5
EBC
$15.76Precise fuel metering is the foundation of carburetor tuning, and worn or incorrect jets compromise both throttle response and engine efficiency. The EBC Pilot Jet EBC224-27.5 delivers flow-calibrated brass construction for accurate fuel delivery in...10050079- SKU:
- 10050079
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET TIP DIAMETER METRIC:
- 2.50 MM
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 27.80 MM
- PRODUCT NAME:
- JET
- BASE COLOR:
- BRASS
- JET SIZE:
- 27.5
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
$15.76 -
EBC Pilot Jet EBC224-30
EBC
$15.76Carburetor tuning precision depends on quality jet components, and worn or incorrect pilot jets compromise your fuel-air mixture and throttle response. The EBC Pilot Jet EBC224-30 delivers flow-calibrated brass construction that maintains consistent fuel...10050080- SKU:
- 10050080
- 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 TIP DIAMETER METRIC:
- 2.50 MM
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 27.80 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- PILOT
- COLOR/FINISH:
- BRASS
- JET SIZE:
- 30
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
$15.76 -
EBC Pilot Jet EBC424-21-38
EBC
$19.50Carburetor tuning demands precision, and stock jets often can't deliver the exact fuel metering your engine needs for peak performance across varying conditions. The EBC Pilot Jet EBC424-21-38 is a high-precision brass replacement that replaces worn or...10050124- SKU:
- 10050124
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- HEAD DIAMETER:
- 5,00 MM (0,20')
- HEAD DIAMETER IMPERIAL:
- 0.20'
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
- HEAD DIAMETER METRIC:
- 5.00 MM
- JET SIZE:
- 38
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- OVERALL LENGTH METRIC:
- 28.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
$19.50 -
EBC VM Series Pilot Jet EBC28/486-20
EBC
$15.76Achieving the ideal air-fuel mixture is foundational to carburetor performance, and a pilot jet that's even slightly miscalibrated will create stumbling, hesitation, or poor idle quality across the entire RPM range. The EBC VM Series Pilot Jet delivers...10050051- SKU:
- 10050051
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET TIP DIAMETER METRIC:
- 2.00 MM
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TYPE:
- CARBURETOR
- RIDING STYLE:
- STREET
- JET SIZE:
- 20
- MODEL:
- MIKUNI VM28/486
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 28.10 MM
- PRODUCT NAME:
- PILOT JET
- THREAD DIAMETER METRIC:
- 4.00 MM
- UNITS:
- 4 PACK
$15.76 -
EBC Pilot Jet EBC151-32.5
EBC
$13.17Carburetor tuning requires precision—a single jet size off throws your air-fuel ratio out of balance, costing you throttle response and fuel economy. The EBC Pilot Jet EBC151-32.5 delivers the exact fuel flow calibration your engine demands, giving you...10050098- SKU:
- 10050098
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- JET SIZE:
- 32.5
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- JET TIP DIAMETER METRIC:
- 3.50 MM
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
- COLOR/FINISH:
- BRASS
- HEAD DIAMETER METRIC:
- 4.80 MM
$13.17 -
MOTION PRO Y-Connector Fuel Line Fittings - 1/4" 12-0015
MOTION PRO
$45.99If you're running a carbureted fuel system with multiple fuel lines, you need a reliable junction point that won't leak or fail under pressure. The MOTION PRO Y-Connector delivers the durability and simplicity that carb-fed engines demand, with a...P12015- SKU:
- P12015
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- FITTING CONNECTOR TYPE IMPERIAL:
- 1/4' HOSE BARB
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- HOSE
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- WATERCRAFT
- STYLE:
- Y
- UNITS:
- KIT
- FITTING CONNECTOR TYPE:
- 6,4 MM (1/4') HOSE BARB
- FITTING CONNECTOR TYPE METRIC:
- 6.4 MM HOSE BARB
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- BASE COLOR:
- WHITE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- STREET
$45.99 -
MOTION PRO Y-Connector Fuel Line Fittings - 5/16" 12-0016
MOTION PRO
$65.99If you're running carbureted fuel systems or low-pressure applications, fuel line routing can become complex with multiple fuel sources or return lines. The MOTION PRO Y-Connector Fuel Line Fittings simplify that setup by consolidating two fuel hoses...P12016- SKU:
- P12016
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- WHITE
- FITTING CONNECTOR TYPE IMPERIAL:
- 5/16' HOSE BARB
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- TYPE:
- HOSE
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- STYLE:
- Y
- FITTING CONNECTOR TYPE:
- 7,9 MM (5/16') HOSE BARB
- FITTING CONNECTOR TYPE METRIC:
- 7.9 MM HOSE BARB
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$65.99
