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
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SHINDY Carburetor Repair Kit - DRZ650SE 03-842
SHINDY
$38.95A carburetor that's lost its tuning is a engine running blind—and the SHINDY Repair Kit 03-842 gets you back to precise, predictable performance. Whether you're dealing with ethanol fuel varnish buildup or simply need to dial in your DRZ650SE for your...10031211- SKU:
- 10031211
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- CARBURETOR
$38.95Qty in Cart: 0Quantity:Price:$38.95Subtotal: -
SHINDY Carburetor Repair Kit - DR350SE 03-844
SHINDY
$39.95A carburetor that's out of tune will rob your DR350SE of power and efficiency, leaving you stranded with poor throttle response and inconsistent idle. This complete rebuild kit gives you all the components needed to restore your OEM carburetor to factory...10031213- SKU:
- 10031213
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
$39.95 -
SHINDY Carburetor Repair Kit - KTM 03-902
SHINDY
$40.95A worn or poorly tuned carburetor directly impacts throttle response, fuel economy, and engine reliability—especially critical on high-performance KTM machines where precision matters. This SHINDY Carburetor Repair Kit gives you everything needed to...10031252- SKU:
- 10031252
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- CARBURETOR
$40.95Qty in Cart: 0Quantity:Price:$40.95Subtotal: -
SHINDY Carburetor Kit - CR125R '00-'01 03-702
SHINDY
$30.95A properly tuned carburetor is the foundation of reliable performance on your CR125R, and factory units degrade over time through fuel varnish, ethanol damage, and general wear. The SHINDY Carburetor Kit 03-702 gives you everything needed to restore your...10031137- SKU:
- 10031137
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
$30.95 -
SHINDY Carburetor Repair Kit - Suzuki 03-804
SHINDY
$40.95A carburetor that's out of tune will rob your engine of fuel efficiency and throttle response—and a full rebuild kit is faster and more cost-effective than replacing the entire assembly. The SHINDY 03-804 includes all the precision components needed to...10031205- SKU:
- 10031205
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$40.95 -
SHINDY Carburetor Repair Kit - DRZ250 03-807
SHINDY
$42.95A carburetor that's fallen out of tune will drain performance and waste fuel—this complete rebuild kit gets your DRZ250 back to factory specifications with precision-machined components designed to last. Whether you're dealing with ethanol fuel, seasonal...10031208- SKU:
- 10031208
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$42.95 -
SHINDY Carburetor Repair Kit - WR450F 03-885
SHINDY
$46.95Carburetor tuning is critical to extracting maximum performance from your WR450F, and a properly rebuilt carb ensures smooth throttle response, precise fuel metering, and reliable starts in any riding condition. This SHINDY kit gives you everything...10031247- SKU:
- 10031247
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$46.95Qty in Cart: 0Quantity:Price:$46.95Subtotal: -
SHINDY Carburetor Repair Kit - TW200 03-892
SHINDY
$34.95Carburetor performance directly impacts throttle response, fuel economy, and overall engine reliability—and wear compounds the problem over time. The SHINDY TW200 03-892 Repair Kit gives you everything needed to restore your OEM carburetor to factory...10031249- SKU:
- 10031249
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
SHINDY Carburetor Repair Kit - KTM 03-903
SHINDY
$43.95Carburetor performance directly impacts throttle response, fuel delivery, and overall engine tuning on your KTM. This SHINDY repair kit gives you everything needed to restore your OEM carb to factory specifications—or dial in your jetting for optimal...10031253- SKU:
- 10031253
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$43.95Qty in Cart: 0Quantity:Price:$43.95Subtotal: -
WSM Keihin Low-Speed Jet 006-6090
WSM
$2.07Fine-tuning your watercraft's fuel mixture at low RPMs requires a precision component that won't compromise throttle response or cold-start performance. The WSM Keihin Low-Speed Jet 006-6090 delivers exact fuel atomization during idle and low-speed...0066090- SKU:
- 0066090
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- PILOT
- UNITS:
- EACH
- JET SIZE:
- 90
- PRODUCT NAME:
- JET
- RIDING STYLE:
- WATERCRAFT
$2.07Qty in Cart: 0Quantity:Price:$2.07Subtotal: -
WSM Keihin High-Speed Jet 006-7120
WSM
$2.17Proper jetting is foundational to carburettor performance, and this WSM Keihin high-speed jet delivers the precision fuel metering your watercraft engine demands under sustained throttle conditions. Whether you're fine-tuning for altitude changes, fuel...0067120- SKU:
- 0067120
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MODEL:
- KEIHIN
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
- JET SIZE:
- 120
- MATERIAL:
- BRASS
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
$2.17 -
WSM Keihin High-Speed Jet 006-7150
WSM
$2.17Precise fuel atomization is critical for consistent carburetor performance in high-demand watercraft applications. The WSM Keihin High-Speed Jet 006-7150 delivers optimized fuel delivery tuning for Keihin CDK 2 carburetors, ensuring reliable throttle...0067150- SKU:
- 0067150
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- KEIHIN
- JET SIZE:
- 150
- PRODUCT NAME:
- JET
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- UNITS:
- EACH
$2.17 -
WSM Keihin High-Speed Jet 006-7155
WSM
$2.07Precision fuel delivery is non-negotiable in high-performance watercraft applications, and this WSM Keihin High-Speed Jet ensures optimal atomization and carburetor responsiveness across the RPM band. If you're running a Keihin CDK 2 carb system and...0067155- SKU:
- 0067155
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- JET SIZE:
- 155
- TYPE:
- MAIN
- MODEL:
- KEIHIN
- PRODUCT NAME:
- JET
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
$2.07Qty in Cart: 0Quantity:Price:$2.07Subtotal: -
WSM Keihin High-Speed Jet 006-7162
WSM
$2.07Precise fuel atomization is critical for consistent engine performance, and a worn or incorrect jet size directly impacts throttle response and fuel economy. The WSM Keihin High-Speed Jet 006-7162 is engineered for Keihin CDK 2 carburetors, delivering...0067162- SKU:
- 0067162
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- WATERCRAFT
- JET SIZE:
- 162
- MODEL:
- KEIHIN
- MATERIAL:
- BRASS
- UNITS:
- EACH
- TYPE:
- MAIN
$2.07Qty in Cart: 0Quantity:Price:$2.07Subtotal: -
MIKUNI Main Jet - #110 - 4-Pack N102221-110
MIKUNI
$14.55If you're tuning a Mikuni carburetor or replacing a worn main jet, the #110 specification is critical to your fuel delivery precision. A properly sized main jet ensures optimal air-fuel mixture at mid-to-high throttle positions, directly affecting...KN102221110- SKU:
- KN102221110
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 110
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$14.55 -
Samco Sport Vent Line Blue 5mm ID 2025 Yamaha YZ250F USA-VT5B-25WBL
SAMCO SPORT
$37.95Proper venting is critical to engine longevity—carburetor overflow, crankcase breather, and radiator vent systems all require reliable tubing that won't degrade under heat and chemical exposure. The Samco Sport Vent Line delivers the durability and...07060160- SKU:
- 07060160
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- INSIDE DIAMETER METRIC:
- 5.0 MM
- LENGTH IMPERIAL:
- 10'
- OUTSIDE DIAMETER METRIC:
- 10 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- BASE COLOR:
- BLUE
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
- APPLICATION:
- CARBURETED
- LENGTH METRIC:
- 305 CM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- MATERIAL:
- SILICONE
- RIDING STYLE:
- STREET
$37.95 -
WSM Keihin High-Speed Jet 006-7140
WSM
$2.17Precision jetting is foundational to carburetor performance, and undersized or oversized jets compromise fuel delivery across your RPM range. The WSM Keihin High-Speed Jet 006-7140 ensures optimal fuel atomization at peak engine speeds, delivering...0067140- SKU:
- 0067140
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- JET SIZE:
- 140
- PRODUCT NAME:
- JET
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- BRASS
- MODEL:
- KEIHIN
- TYPE:
- MAIN
$2.17 -
MIKUNI TM Series Carburetor TM36-68
MIKUNI
$385.00If you're running an older round-slide carburetor, you're leaving performance on the table. The MIKUNI TM36-68 flat-slide design creates a smooth bore effect that dramatically increases air flow, translating to sharper throttle response and more precise...10020040- SKU:
- 10020040
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- NEEDLE VALVE:
- -
- PILOT JET:
- 12.5 (VM28/486)
- UNITS:
- EACH
- AIR JET:
- 1.0
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- MAIN JET:
- 130 (N100.604)
- NEEDLE:
- 9DZH6-50
- RIDING STYLE:
- ATV
- CARBURETOR SIZE METRIC:
- 36.00 MM
- NEEDLE JET:
- P-8 (568 SERIES)
- PRODUCT NAME:
- CARBURETOR BELL CRANK PUSH-PULL
- RIDING STYLE:
- STREET
- SLIDE CUTAWAY:
- -
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 42
- STYLE:
- FLAT SLIDE
$385.00Qty in Cart: 0Quantity:Price:$385.00Subtotal: -
MIKUNI VM Series Carburetor - 20mm VM20-273
MIKUNI
$165.00The Mikuni VM20-273 delivers precise fuel atomization and responsive throttle control for small-displacement engines where carburetor tuning directly impacts performance. Its round-slide design maximizes intake flow while maintaining the metering...10020047- SKU:
- 10020047
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- SILVER
- FEATURES:
- FLANGE TYPE MOUNTING
- NEEDLE:
- 4J13
- NEEDLE JET:
- O-6/N-6 (238/332 SERIES)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- OFF-ROAD
- SLIDE CUTAWAY:
- 2.0 (VM38/24)
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 20
- AIR JET:
- 0.5
- COLOR/FINISH:
- NATURAL
- NEEDLE VALVE:
- 1.5 (VM15/172)
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- CARBURETOR SIZE METRIC:
- 20.00 MM
- MAIN JET:
- 180 (4/042)
- PILOT JET:
- 22.5 (M28/1001)
- UNITS:
- EACH
$165.00 -
MIKUNI VM Series Carburetor - 24mm VM24-512
MIKUNI
$165.00The Mikuni VM24-512 is a precision-engineered 24mm carburetor built for engines demanding reliable fuel delivery across variable load conditions. Its round slide design maximizes airflow efficiency while maintaining precise atomization, making it the...10020049- SKU:
- 10020049
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- NEEDLE JET:
- N-8 (864 SERIES)
- PRODUCT NAME:
- VM ROUND SLIDE CARBURETOR
- RIDING STYLE:
- STREET
- CARBURETOR SIZE METRIC:
- 24.00 MM
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- BASE COLOR:
- SILVER
- FEATURES:
- RIGHT SIDE IDLE ADJUSTMENT SCREW
- MAIN JET:
- 210 (4/042)
- NEEDLE:
- 5L14-4
- NEEDLE VALVE:
- 2.0 (VM26/26)
- RIDING STYLE:
- ATV
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 35
- AIR JET:
- 0.8
- COLOR/FINISH:
- NATURAL
- PILOT JET:
- 40 (VM22/210)
- SLIDE CUTAWAY:
- 1.5 (VM26/21)
- UNITS:
- EACH
$165.00Qty in Cart: 0Quantity:Price:$165.00Subtotal:
