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
-
MIKUNI Pilot Jet - 4-Pack BS30/96-52.5
MIKUNI
$5.20Precise fuel metering is critical to carburetor performance, and a worn or incorrect pilot jet directly impacts idle quality, throttle response, and fuel economy. This OEM-specification Mikuni pilot jet ensures your BS-series carb delivers the correct...KBS3096525- SKU:
- KBS3096525
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 52.5
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
$5.20 -
MIKUNI Pilot Jet - 4-Pack BS30/96-57.5
MIKUNI
$5.20Precise fuel metering is the foundation of carburetor tuning, and a worn or incorrect pilot jet directly impacts cold starts, idle stability, and low-rpm throttle response. This 4-pack of OEM-spec Mikuni pilot jets ensures you have the right sizing on...KBS3096575- SKU:
- KBS3096575
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
- JET SIZE:
- 57.5
- RIDING STYLE:
- OFF-ROAD
$5.20Qty in Cart: 0Quantity:Price:$5.20Subtotal: -
MIKUNI Air Jet #0.5 - 4-Pack BS30/97-0.5
MIKUNI
$14.55Achieving the perfect fuel-air mixture is critical for engine performance, throttle response, and reliability—and that's where air jets make the difference. The MIKUNI #0.5 air jet provides precise metering control for fine-tuning your carburetor setup,...KBS309705- SKU:
- KBS309705
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 0.5
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- AIR
$14.55 -
MIKUNI Needle Jet VM38/41-P-4
MIKUNI
$15.49Fine-tuning your carburettor's mid-range performance requires precision, and the MIKUNI Needle Jet VM38/41-P-4 gives you exactly that. This genuine Mikuni component allows you to dial in your air-fuel mixture at the 1/4 to 3/4 throttle range—the most...247P4- SKU:
- 247P4
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FEATURES:
- FOR OE YAMAHA
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- JET SIZE:
- P-4
- MODEL:
- TYPE 247
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- NEEDLE
$15.49 -
MIKUNI Needle Jet VM38/41-P-6
MIKUNI
$15.49Fine-tuning your carburetor's mid-range performance starts with the right needle jet. The MIKUNI VM38/41-P-6 gives you precise control over fuel delivery in the critical 1/4 to 3/4 throttle range—the zone where most real-world riding happens. If your...247P6- SKU:
- 247P6
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- JET SIZE:
- P-6
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- FEATURES:
- FOR OE YAMAHA
- MODEL:
- TYPE 247
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$15.49 -
MIKUNI Needle Jet VM38/41-Q-0
MIKUNI
$15.49Fine-tuning your carburettor's mid-range performance requires precision, and the MIKUNI Needle Jet VM38/41-Q-0 delivers exactly that. This genuine Mikuni component lets you dial in optimal fuel delivery across the critical 1/4 to 3/4 throttle range—the...247Q0- SKU:
- 247Q0
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- MODEL:
- TYPE 247
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FEATURES:
- FOR OE YAMAHA
- JET SIZE:
- Q-0
- TYPE:
- NEEDLE
$15.49 -
MIKUNI Needle Jet VM38/41-Q-2
MIKUNI
$15.49Fine-tuning your carburetor's mid-range response requires precision—and the MIKUNI Needle Jet VM38/41-Q-2 delivers exactly that. This genuine Mikuni component gives you direct control over fuel delivery at 1/4 to 3/4 throttle, where most of your riding...247Q2- SKU:
- 247Q2
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FEATURES:
- FOR OE YAMAHA
- RIDING STYLE:
- SNOW
- MODEL:
- TYPE 247
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- Q-2
- PRODUCT NAME:
- JET
- RIDING STYLE:
- UTV
- TYPE:
- NEEDLE
$15.49 -
MIKUNI Needle Jet VM38/41-Q-4
MIKUNI
$15.49Fine-tuning your carburetor's mid-range performance requires precision, and the MIKUNI Needle Jet VM38/41-Q-4 delivers exactly that. This genuine Mikuni component gives you direct control over fuel delivery during the critical 1/4 to 3/4 throttle range,...247Q4- SKU:
- 247Q4
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- NEEDLE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- FEATURES:
- FOR OE YAMAHA
- JET SIZE:
- Q-4
- MODEL:
- TYPE 247
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$15.49 -
MIKUNI Needle Jet VM38/41-R-0
MIKUNI
$15.49Fine-tuning your carburetor's mid-range performance requires precision, and a worn or mismatched needle jet will leave you guessing at the throttle. The MIKUNI Needle Jet VM38/41-R-0 gives you direct control over fuel atomization in the critical 1/4 to...247R0- SKU:
- 247R0
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FEATURES:
- FOR OE YAMAHA
- JET SIZE:
- R-0
- RIDING STYLE:
- STREET
- MODEL:
- TYPE 247
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- NEEDLE
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$15.49 -
MIKUNI Pilot Jet #80 4-Pack VM22/210-80
MIKUNI
$14.55A properly sized pilot jet is essential for smooth idle quality, crisp throttle response, and predictable fueling across low-speed operation. Running an undersized or worn pilot jet leads to hesitation, poor cold starts, and difficult tuning. This...KM580- SKU:
- KM580
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 80
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- HEAD DIAMETER METRIC:
- 4.00 MM
- OVERALL LENGTH METRIC:
- 14.00 MM
- TYPE:
- PILOT
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$14.55 -
MIKUNI Main Jet - #170 - 4-Pack N102221-170
MIKUNI
$14.55If you're tuning a carbureted engine for peak performance, jetting is everything—and a precise main jet is non-negotiable. The MIKUNI #170 main jet delivers the exact fuel metering your CV or Power Jet carburetor needs to maintain optimal air-fuel ratio...KN102221170- SKU:
- KN102221170
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- JET SIZE:
- 170
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$14.55 -
MIKUNI Main Jet - #195 - 4-Pack N102221-195
MIKUNI
$14.55Upgrading your main jet is one of the most direct ways to dial in your carburetor's fuel delivery and unlock performance gains across your powerband. The MIKUNI #195 main jet provides precise fuel metering for CV and Power Jet carburetors, ensuring...KN102221195- SKU:
- KN102221195
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- JET SIZE:
- 195
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$14.55 -
MIKUNI Main Jet - #92.5 - 4-Pack N102221-925
MIKUNI
$5.20Fine-tuning your carburetor's fuel delivery is critical to achieving optimal performance and throttle response. The MIKUNI #92.5 Main Jet directly controls the fuel mixture under load, and running the correct size ensures your engine isn't running lean...KN102221925- SKU:
- KN102221925
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- JET SIZE:
- 92.5
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
$5.20 -
MIKUNI Main Jet - #97.5 - 4-Pack N102221-975
MIKUNI
$5.20Fine-tuning your carburetor's fuel delivery is critical for optimal performance and throttle response across your RPM range. The MIKUNI #97.5 main jet delivers precise fuel metering for engines that demand exact calibration—whether you're running stock...KN102221975- SKU:
- KN102221975
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- JET SIZE:
- 97.5
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- BRASS
$5.20 -
MIKUNI Main Jet #370 - 4-Pack 4/042-370
MIKUNI
$14.56Proper jetting is the foundation of carburetor tuning—get it wrong and you're leaving power on the table or running too lean. The MIKUNI Main Jet #370 delivers the precise fuel metering your engine needs for optimal combustion across the RPM band. This...KM4042370- SKU:
- KM4042370
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- JET SIZE:
- 370
- MATERIAL:
- BRASS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- UNITS:
- 4 PACK
$14.56 -
MIKUNI Main Jet #380 - 4-Pack 4/042-380
MIKUNI
$14.56Proper jetting is the foundation of carburetor tuning—get it wrong and you're leaving power on the table or risking lean-condition damage. The MIKUNI Main Jet #380 is a direct fit for VM-series carburetors and TMX applications, allowing you to dial in...KM4042380- SKU:
- KM4042380
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 380
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH IMPERIAL:
- 0.47'
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
$14.56 -
MIKUNI Main Jet #390 - 4-Pack 4/042-390
MIKUNI
$14.56Precise fuel delivery is the foundation of carburetor tuning, and the right main jet makes the difference between optimal performance and rich-running inefficiency. The MIKUNI #390 main jet delivers the exact fuel metering your engine needs across the...KM4042390- SKU:
- KM4042390
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- HEAD TYPE:
- HEX HEAD
- JET SIZE:
- 390
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- 4 PACK
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH IMPERIAL:
- 0.47'
- OVERALL DIAMETER METRIC:
- 6.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
$14.56 -
MIKUNI Main Jet #420 - 4-Pack 4/042-420
MIKUNI
$5.20Precise jetting is the foundation of carburetor tuning, and running the correct main jet size directly impacts your engine's fuel delivery, throttle response, and overall performance. The MIKUNI #420 main jet ensures optimal air-fuel mixture across your...KM4042420- SKU:
- KM4042420
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 420
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH IMPERIAL:
- 0.47'
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- 4 PACK
- OVERALL DIAMETER METRIC:
- 6.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
$5.20 -
MIKUNI Main Jet #600 - 4-Pack 4/042-600
MIKUNI
$14.56If your Mikuni carburetor is running lean or you're tuning for peak performance across different engine configurations, the right main jet is non-negotiable. This 4-pack of #600 main jets gives you the precision fuel metering your engine demands, whether...KM4042600- SKU:
- KM4042600
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH:
- 12 MM (0,47')
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 600
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
$14.56 -
MIKUNI Main Jet #620 - 4-Pack 4/042-620
MIKUNI
$14.56Tuning your Mikuni carb demands precision—the right main jet size directly controls fuel delivery and air-fuel ratio at wide-open throttle. This 4-pack of #620 main jets gives you the exact sizing needed to dial in peak performance across VM and TMX...KM4042620- SKU:
- KM4042620
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- HEAD TYPE:
- HEX HEAD
- JET SIZE:
- 620
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH IMPERIAL:
- 0.47'
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
$14.56
