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
-
On Sale
EBC VM Series Pilot Jet EBC28/486-45
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
EBC VM Series Pilot Jet EBC28/486-47.5
EBC
$5.61Precise 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...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
$5.61 -
On Sale
EBC VM Series Pilot Jet EBC28/486-50
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC VM Series Pilot Jet EBC28/486-52.5
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76Qty in Cart: 0Quantity:Price:MSRP: $15.76Now: $14.97Was: $15.76Subtotal: -
On Sale
EBC VM Series Pilot Jet EBC28/486-55
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC VM Series Pilot Jet EBC28/486-57.5
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76Qty in Cart: 0Quantity:Price:MSRP: $15.76Now: $14.97Was: $15.76Subtotal: -
On Sale
EBC VM Series Pilot Jet EBC28/486-60
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76Qty in Cart: 0Quantity:Price:MSRP: $15.76Now: $14.97Was: $15.76Subtotal: -
On Sale
EBC VM Series Pilot Jet EBC28/486-62.5
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC VM Series Pilot Jet EBC28/486-65
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC VM Series Pilot Jet EBC28/486-67.5
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC224-12.5
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC224-20
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC224-25
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC224-27.5
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC224-30
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC424-21-38
EBC
MSRP: $19.50Now: $18.53Was: $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...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
MSRP: $19.50Now: $18.53Was: $19.50 -
On Sale
EBC VM Series Pilot Jet EBC28/486-20
EBC
MSRP: $15.76Now: $14.97Was: $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...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
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC151-32.5
EBC
MSRP: $13.17Now: $12.51Was: $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...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
MSRP: $13.17Now: $12.51Was: $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...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...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
