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 Main Jet - #160 - 4-Pack N102221-160
MIKUNI
$5.20If your carburettor is running too lean or you're experiencing flat spots during acceleration, the main jet is likely your culprit. This MIKUNI #160 main jet delivers the precise fuel metering your engine needs for consistent performance across the RPM...KN102221160- SKU:
- KN102221160
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- MODEL:
- MIKUNI
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- JET SIZE:
- 160
$5.20 -
MIKUNI Main Jet - #165 - 4-Pack N102221-165
MIKUNI
$5.20If you're tuning a carbureted engine or replacing a worn main jet, proper fuel metering is critical to maintaining peak performance and engine reliability. The MIKUNI #165 main jet delivers precise fuel delivery for CV and Power Jet carburetors, ensuring...KN102221165- SKU:
- KN102221165
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- JET SIZE:
- 165
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- PRODUCT NAME:
- JET
$5.20 -
MIKUNI Main Jet - #175 - 4-Pack N102221-175
MIKUNI
$5.20Proper jetting is fundamental to carburetor performance—too lean and you risk engine damage, too rich and you lose power and fuel efficiency. The MIKUNI #175 main jet delivers the precise fuel metering your engine needs across the RPM band, whether...KN102221175- SKU:
- KN102221175
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- JET SIZE:
- 175
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- MODEL:
- MIKUNI
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$5.20 -
MIKUNI Main Jet - #180 - 4-Pack N102221-180
MIKUNI
$14.55If you're tuning a Mikuni carburetor for peak performance, jet selection directly impacts your air-fuel mixture and throttle response. The #180 main jet is engineered for specific displacement and load conditions, making it essential for racers and...KN102221180- SKU:
- KN102221180
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- JET SIZE:
- 180
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$14.55 -
MIKUNI Main Jet - #190 - 4-Pack N102221-190
MIKUNI
$5.20If you're tuning a CV or Power Jet carburetor, jet sizing is non-negotiable for achieving the correct air-fuel mixture across your RPM range. The MIKUNI #190 main jet is the OE replacement specification for carburetors originally equipped with an N102...KN102221190- SKU:
- KN102221190
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- JET SIZE:
- 190
- MODEL:
- MIKUNI
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
$5.20 -
MIKUNI Needle Jet 990-793-004-R-5
MIKUNI
$15.49Fine-tune your carburetor's mid-range performance with genuine Mikuni needle jets. Whether you're chasing precise fuel delivery across the 1/4 to 3/4 throttle range or dialing in your carb for peak efficiency, this OEM component gives you the control you...159R5- SKU:
- 159R5
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- JET SIZE:
- R-5
- MODEL:
- TYPE 159
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- FEATURES:
- FOR VM 30 MM - 36 MM SPIGOT
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
$15.49 -
MIKUNI Jet Needle J8-6FJ06
MIKUNI
$10.50Precision fuel mixture control in the mid-range throttle position is critical for consistent performance, whether you're tuning a vintage race bike or optimizing a custom carbureted engine. The MIKUNI Jet Needle J8-6FJ06 delivers the metering accuracy...6FJ6- SKU:
- 6FJ6
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- J8-6FJ06
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- NEEDLE
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$10.50 -
MIKUNI Main Jet #200 - 4-Pack 4/042-200
MIKUNI
$14.56A properly sized main jet is critical to carburetor performance—too rich or lean, and you'll lose power, damage your engine, or struggle with throttle response. The MIKUNI #200 main jet gives you the precision fuel metering your carb demands, whether...KM4042200- SKU:
- KM4042200
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH IMPERIAL:
- 0.47'
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- RIDING STYLE:
- STREET
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- OVERALL LENGTH:
- 12 MM (0,47')
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- JET SIZE:
- 200
- RIDING STYLE:
- ATV
$14.56 -
MIKUNI Main Jet #210 - 4-Pack 4/042-210
MIKUNI
$5.20If your Mikuni carb is running too lean or you're chasing that perfect air-fuel ratio after modifications, a properly sized main jet is non-negotiable. This #210 jet delivers the fuel curve needed for consistent mid-range performance and throttle...KM4042210- SKU:
- KM4042210
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- UNITS:
- 4 PACK
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 210
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- HEAD TYPE:
- HEX HEAD
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- MATERIAL:
- BRASS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
$5.20 -
MIKUNI Main Jet #230 - 4-Pack 4/042-230
MIKUNI
$5.20Proper 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 #230 is the direct replacement for worn jets or a critical component when optimizing your carb...KM4042230- SKU:
- KM4042230
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- JET SIZE:
- 230
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH:
- 12 MM (0,47')
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Main Jet #300 - 4-Pack 4/042-300
MIKUNI
$14.56Precise jetting is non-negotiable for consistent carburetor performance and throttle response. The MIKUNI #300 main jet delivers the correct fuel-air mixture for engines running these carburetors, eliminating lean-running conditions and hesitation...KM4042300- SKU:
- KM4042300
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- 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'
- RIDING STYLE:
- UTV
- JET SIZE:
- 300
- 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
- TYPE:
- MAIN
$14.56 -
K&L SUPPLY Economy Carburetor Repair Kit - Suzuki 18-4916
K&L SUPPLY
$34.95A carburetor that's running rich, leaking fuel, or delivering inconsistent air-fuel mixture will tank your bike's performance and fuel economy. This K&L economy rebuild kit gives you everything needed to restore your Suzuki carb to OE specifications...10030420- SKU:
- 10030420
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- MODEL:
- ECONOMY
- UNITS:
- KIT
$34.95 -
K&L SUPPLY Economy Carburetor Repair Kit - Suzuki 18-4935
K&L SUPPLY
$35.95A carburetor that's running rough, leaking, or delivering inconsistent fuel mixture is costing you performance and reliability. This K&L SUPPLY economy repair kit gives you all the gaskets, O-rings, and components needed to restore your OE Suzuki...10030421- SKU:
- 10030421
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- REPAIR KIT
- MODEL:
- ECONOMY
- RIDING STYLE:
- ATV
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$35.95 -
K&L SUPPLY Economy Carburetor Repair Kit - Yamaha 18-9390
K&L SUPPLY
$23.95A carburetor that's running lean, surging, or hesitating under load is a carburetor that needs attention. This K&L Supply economy rebuild kit gives you the gaskets, O-rings, and jets necessary to restore your Yamaha carb to factory specifications without...10030426- SKU:
- 10030426
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- UTV
- TYPE:
- CARBURETOR
- MODEL:
- ECONOMY
- UNITS:
- KIT
$23.95Qty in Cart: 0Quantity:Price:$23.95Subtotal: -
MOOSE UTILITY Fuel Injector with Pigtail - Polaris 100-5266-PU
MOOSE UTILITY
$54.95A fuel injector is the critical component that meters precise fuel delivery into your engine's combustion chamber—when it fails or underperforms, you lose efficiency, throttle response, and reliability. The MOOSE UTILITY Fuel Injector with Pigtail is...10220258- SKU:
- 10220258
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- FUEL INJECTOR
- RIDING STYLE:
- UTV
$54.95 -
SHINDY Carburetor Repair Kit - TRX450R '06-'09 03-050
SHINDY
$42.95Your TRX450R carburetor demands precision fuel delivery to maintain peak performance across varying riding conditions. This complete SHINDY rebuild kit supplies every critical component—from award-winning float valves to properly sized jets—to restore...10031012- SKU:
- 10031012
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- COLOR/FINISH:
- BLACK
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$42.95Qty in Cart: 0Quantity:Price:$42.95Subtotal: -
SHINDY Carburetor Repair Kit - Honda 350 03-053
SHINDY
$37.95If your Honda 350 carburetor is running rich, lean, or simply not responding like it should, a complete rebuild with quality components is the most cost-effective way to restore precise fuel delivery and stable idle characteristics. This kit eliminates...10031015- SKU:
- 10031015
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
$37.95 -
SHINDY Carburetor Repair Kit - Honda 500 03-055
SHINDY
$37.95A carburetor that's out of tune will rob your Honda 500 of responsiveness and reliability—whether you're racing or logging trail hours. This complete SHINDY rebuild kit gives you OEM-quality components engineered to restore your carb to factory...10031017- SKU:
- 10031017
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BASE COLOR:
- BLACK
$37.95 -
SHINDY Carburetor Kit - KLF300 '89-'95 03-104
SHINDY
$22.95If your KLF300 carburetor is running rough, hesitating, or struggling with fuel delivery, a complete rebuild kit is your most cost-effective path back to reliable performance. SHINDY's OEM-quality components restore your carb to factory specifications...10031022- SKU:
- 10031022
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CONVERSION KIT
- BASE COLOR:
- BLACK
$22.95 -
SHINDY Carburetor Kit - KLF300 4x4 03-105
SHINDY
$22.95If your KLF300 is running rough, hesitating, or struggling to start, a carburetor rebuild with quality components is often the fastest fix. The SHINDY Carburetor Kit supplies everything needed to restore your OEM carb to factory performance...10031023- SKU:
- 10031023
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- CONVERSION KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BASE COLOR:
- BLACK
$22.95
