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
-
SHINDY Carburetor Repair Kit - KLX300R 03-765
SHINDY
$43.10A carburetor that's out of tune will rob your KLX300R of throttle response, fuel efficiency, and reliable starts—especially after sitting idle or running ethanol-blended fuel. This complete rebuild kit gives you everything needed to restore your OEM carb...10031189- SKU:
- 10031189
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$43.10Qty in Cart: 0Quantity:Price:$43.10Subtotal: -
SHINDY Carburetor Repair Kit - KLR650 03-791
SHINDY
$30.95A worn or fouled carburetor directly impacts throttle response, fuel economy, and cold-start reliability—especially critical on a KLR650 that demands consistent performance whether you're commuting or tackling remote terrain. This complete SHINDY rebuild...10031191- SKU:
- 10031191
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$30.95 -
SHINDY Carburetor Repair Kit - KL250 03-794
SHINDY
$39.95A worn or poorly tuned carburetor is a common performance bottleneck that riders often overlook—yet it directly impacts throttle response, fuel efficiency, and overall engine reliability. The SHINDY Carburetor Repair Kit for the KL250 gives you...10031194- SKU:
- 10031194
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- CARBURETOR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
SHINDY Carburetor Repair Kit - CR125F 03-7A2
SHINDY
$35.95A carburetor that's out of tune is leaving horsepower on the table and creating poor throttle response across your entire powerband. The SHINDY CR125F Carburetor Repair Kit gives you everything needed to restore your OEM carb to factory specifications...10031198- SKU:
- 10031198
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- CARBURETOR
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
SHINDY Carburetor Repair Kit - DRZ400S 03-841
SHINDY
$42.95Carburetor performance directly impacts throttle response, fuel economy, and overall engine reliability—especially on high-mileage machines. The SHINDY Carburetor Repair Kit restores your DRZ400S to factory specifications with OEM-quality components,...10031210- SKU:
- 10031210
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$42.95 -
SHINDY Carburetor Repair Kit - Yamaha 03-866
SHINDY
$40.95A properly tuned carburetor is fundamental to engine performance, and worn jets, needles, and seals degrade throttle response and fuel efficiency over time. The SHINDY 03-866 Repair Kit gives you everything needed to restore your OEM carburetor to...10031228- SKU:
- 10031228
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.95Qty in Cart: 0Quantity:Price:$40.95Subtotal: -
SHINDY Carburetor Repair Kit - Yamaha 03-868
SHINDY
$50.95A worn or poorly tuned carburetor robs your engine of performance and reliability. This comprehensive rebuild kit restores your OEM Yamaha carb to factory specifications with precision-engineered components, ensuring consistent jetting, smooth idle, and...10031230- SKU:
- 10031230
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$50.95 -
SHINDY Carburetor Repair Kit - WR450F 03-872
SHINDY
$48.95A properly tuned carburetor is the foundation of reliable engine performance, and factory units degrade over time with varnish buildup, worn gaskets, and corroded jets. This complete SHINDY rebuild kit restores your WR450F's fuel delivery to OEM...10031234- SKU:
- 10031234
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$48.95 -
SHINDY Carburetor Repair Kit - PW80 03-873
SHINDY
$33.95A carburetor that's running rich, lean, or hesitating under load is costing you performance and reliability on the track or trail. The SHINDY 03-873 Repair Kit gives you everything needed to restore your PW80 carburetor to OEM specifications, eliminating...10031235- SKU:
- 10031235
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$33.95 -
SHINDY Carburetor Repair Kit - KVF360 03-112
SHINDY
$26.95A carburetor that's running lean, flooding, or simply off-tune will kill performance and reliability faster than worn rings. The SHINDY Carburetor Repair Kit gives you everything needed to restore your KVF360 to factory specifications—or dial it in for...10031030- SKU:
- 10031030
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- BASE COLOR:
- BLACK
$26.95 -
SHINDY Carburetor Repair Kit - Arctic Cat 03-455
SHINDY
$42.95A worn or poorly-tuned carburetor will rob your Arctic Cat of responsiveness and fuel efficiency, whether you're riding in extreme cold or switching between fuel types. This complete rebuild kit gives you all the components needed to restore your OEM...10031127- SKU:
- 10031127
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- COLOR/FINISH:
- BLACK
- TYPE:
- CARBURETOR
- RIDING STYLE:
- ATV
$42.95Qty in Cart: 0Quantity:Price:$42.95Subtotal: -
MIKUNI Pilot Jet - 4-Pack BS30/96-40
MIKUNI
$14.56Precise fuel delivery at idle and low-throttle operation is critical to carburetor performance, and a worn or incorrect pilot jet directly impacts cold starts, throttle response, and fuel economy. The MIKUNI Pilot Jet BS30/96-40 restores...KBS309640- SKU:
- KBS309640
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- JET SIZE:
- 40
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$14.56 -
MIKUNI Main Jet #150 - 4-Pack 4/042-150
MIKUNI
$14.56A properly sized main jet is critical for carb tuning—it directly controls fuel delivery at mid-to-high throttle openings, affecting power output, throttle response, and engine longevity. The #150 jet is a common baseline or step-up size for Mikuni...KM4042150- SKU:
- KM4042150
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 150
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- 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
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
$14.56 -
MIKUNI Main Jet #270 - 4-Pack 4/042-270
MIKUNI
$5.20Precise jetting is fundamental to carburetor tuning—running the wrong main jet compromises fuel delivery, throttle response, and engine reliability. This Mikuni #270 main jet 4-pack gives you the exact specification needed for proper air-fuel mixture...KM4042270- SKU:
- KM4042270
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- UNITS:
- 4 PACK
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- HEAD TYPE:
- HEX HEAD
- JET SIZE:
- 270
- 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 #165 - 4-Pack 4/042-165
MIKUNI
$5.20Proper jetting is the foundation of carburetor performance—too lean and you risk engine damage, too rich and you lose power and efficiency. The MIKUNI Main Jet #165 is the precise calibration your Mikuni carb needs for optimal fuel delivery across your...KM4042165- SKU:
- KM4042165
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 165
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- 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
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH IMPERIAL:
- 0.47'
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
$5.20 -
On Sale
KURYAKYN Hypercharger ES Cover - Chrome/Black 9369
KURYAKYN
MSRP: $92.99Now: $60.00Was: $92.99The KURYAKYN Hypercharger ES Cover transforms your air intake's appearance without sacrificing performance or requiring complex modifications. This interchangeable faceplate delivers that classic, purposeful aesthetic while maintaining the engineering...10140277- SKU:
- 10140277
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BASE FINISH:
- SATIN
- COLOR/FINISH:
- MACHINED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- SATIN BLACK
- PRODUCT NAME:
- FACE PLATE
- UNITS:
- EACH
- TYPE:
- AIR CLEANER COVER
MSRP: $92.99Now: $60.00Was: $92.99Qty in Cart: 0Quantity:Price:MSRP: $92.99Now: $60.00Was: $92.99Subtotal: -
K&L SUPPLY Carburetor Repair Kit 00-2440
K&L SUPPLY
$21.95A worn or failed carburetor forces you to choose between a complete replacement or a proper rebuild. This K&L SUPPLY Repair Kit supplies everything needed to restore your OEM carburetor to factory specifications—gaskets, O-rings, jets, and needle-seat...002440- SKU:
- 002440
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- BRASS
- MODEL:
- STANDARD
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- MATERIAL:
- RUBBER
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$21.95 -
K&L SUPPLY Carburetor Repair Kit 00-2441
K&L SUPPLY
$23.95A carburetor rebuild shouldn't require hunting down scattered gaskets, jets, and seals from multiple suppliers. The K&L SUPPLY Carburetor Repair Kit 00-2441 consolidates everything you need for a complete OEM carb restoration in one package, saving you...002441- SKU:
- 002441
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- MATERIAL:
- BRASS
- MATERIAL:
- RUBBER
- UNITS:
- KIT
- MODEL:
- STANDARD
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
$23.95 -
K&L SUPPLY Carburetor Repair Kit 00-2443
K&L SUPPLY
$23.95A carburetor that runs rich, leans out unexpectedly, or refuses to idle smoothly is costing you performance and reliability. The K&L SUPPLY Carburetor Repair Kit 00-2443 gives you everything needed to restore your OEM carburetor to factory specifications...002443- SKU:
- 002443
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- BRASS
- MATERIAL:
- RUBBER
- TYPE:
- CARBURETOR
- MODEL:
- STANDARD
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$23.95Qty in Cart: 0Quantity:Price:$23.95Subtotal: -
K & N Drycharger - RZR XP1000 PL-1014-1DK
K & N
$36.99Running your RZR XP1000 in high-dust environments will clog a standard air filter quickly, forcing premature changes and risking unfiltered air ingestion. The K&N Drycharger wrap extends your Filtercharger's service life while maintaining the airflow...10113513- SKU:
- 10113513
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FILTER HEIGHT METRIC:
- 283.00 MM
- FILTER SHAPE:
- ROUND
- MODEL:
- DRYCHARGER
- RIDING STYLE:
- UTV
- BASE COLOR:
- BLACK
- FILTER MEDIA STYLE:
- SINGLE-LAYER
- COLOR/FINISH:
- BLACK
- FEATURES:
- WASHABLE
- FILTER HEIGHT IMPERIAL:
- 11.125'
- INSIDE DIAMETER METRIC:
- 76.00 MM
- MATERIAL:
- SILICONE-TREATED POLYESTER
- STYLE:
- CLAMP-ON
- FILTER MEDIA MATERIAL:
- POLYESTER
- PRODUCT NAME:
- FILTER WRAP
- RIDING STYLE:
- ATV
- TYPE:
- DUST COVER
- UNITS:
- EACH
$36.99Qty in Cart: 0Quantity:Price:$36.99Subtotal:
