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
-
BOYESEN Racing Reed - KX125 '01-'02 6100
BOYESEN
$39.95The stock reed valve is one of the most overlooked performance bottlenecks in two-stroke engines. Boyesen's dual-stage reed design unlocks measurable flow improvements across the entire RPM range, translating to sharper throttle response and more usable...6100- SKU:
- 6100
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - Suzuki 610
BOYESEN
$22.95The intake tract of your Suzuki 610 is only as efficient as your reed valves allow. Boyesen's dual-stage reed design has been laboratory-validated to deliver superior flow velocity across the entire operating pressure range—meaning faster throttle...610- SKU:
- 610
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- PRODUCT NAME:
- REED PETAL
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
BOYESEN Racing Reed - Yamaha 609
BOYESEN
$39.95The Boyesen Racing Reed transforms your Yamaha 609's intake efficiency by optimizing flow velocity across the entire RPM band—from idle through peak acceleration. Factory reeds create restrictive flow patterns that limit your engine's potential; these...609- SKU:
- 609
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - Suzuki/Cage/Kawasaki 608
BOYESEN
$39.95Stock reeds are limiting your engine's potential across the entire RPM range. Boyesen's dual-stage reed design unlocks greater flow velocity from idle through peak acceleration, delivering measurable performance gains where it counts. If you're serious...608- SKU:
- 608
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
EBC Pilot Jet EBC424-21-42
EBC
$19.50Carburetor tuning demands precision, and a mismatched pilot jet will throw off your idle quality and low-end throttle response across the entire RPM range. The EBC Pilot Jet EBC424-21-42 delivers flow-calibrated accuracy in brass construction, ensuring...10050126- SKU:
- 10050126
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- OVERALL LENGTH METRIC:
- 28.00 MM
- RIDING STYLE:
- UTV
- JET SIZE:
- 42
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- HEAD DIAMETER:
- 5,00 MM (0,20')
- HEAD DIAMETER IMPERIAL:
- 0.20'
- HEAD DIAMETER METRIC:
- 5.00 MM
- TYPE:
- PILOT
- UNITS:
- 4 PACK
$19.50 -
EBC Pilot Jet EBC424-21-45
EBC
$19.50Carburetor tuning demands precision, and stock or worn jets compromise both throttle response and fuel economy. The EBC Pilot Jet EBC424-21-45 delivers flow-calibrated accuracy for pilot circuit optimization, ensuring crisp idle quality and smooth...10050127- SKU:
- 10050127
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 45
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- HEAD DIAMETER:
- 5,00 MM (0,20')
- HEAD DIAMETER IMPERIAL:
- 0.20'
- OVERALL LENGTH METRIC:
- 28.00 MM
- HEAD DIAMETER METRIC:
- 5.00 MM
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
$19.50 -
EBC VM Series Pilot Jet EBC22/210-35
EBC
$13.76If your VM-series Mikuni carburetor is running rich or lean, a worn or incorrect pilot jet is often the culprit—and it directly impacts idle quality, throttle response, and fuel economy. The EBC VM Series Pilot Jet delivers precision fuel metering with...10050023- SKU:
- 10050023
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 35
- TYPE:
- PILOT
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- HEAD DIAMETER METRIC:
- 4.80 MM
- OVERALL LENGTH METRIC:
- 13.50 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- JET TIP DIAMETER METRIC:
- 3.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$13.76 -
EBC VM Series Pilot Jet EBC22/210-37.5
EBC
$13.76A carburetor's fuel delivery precision depends entirely on jet calibration—get it wrong, and you're left with a sluggish, inefficient engine. The EBC VM Series Pilot Jet delivers flow-calibrated accuracy in brass construction, giving you the exact fuel...10050024- SKU:
- 10050024
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- PILOT
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- HEAD DIAMETER METRIC:
- 4.80 MM
- JET SIZE:
- 37.5
- OVERALL LENGTH METRIC:
- 13.50 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- JET TIP DIAMETER METRIC:
- 3.00 MM
- RIDING STYLE:
- OFF-ROAD
$13.76 -
EBC VM Series Pilot Jet EBC22/210-40
EBC
$13.76Precise fuel delivery is the foundation of carburetor tuning, and worn or incorrect pilot jets create lean-running conditions that rob your engine of low-end response and throttle control. The EBC VM Series Pilot Jet delivers flow-calibrated accuracy...10050025- SKU:
- 10050025
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- PILOT
- BASE COLOR:
- BRASS
- HEAD DIAMETER METRIC:
- 4.80 MM
- JET SIZE:
- 40
- OVERALL LENGTH METRIC:
- 13.50 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- JET TIP DIAMETER METRIC:
- 3.00 MM
- PRODUCT NAME:
- JET
$13.76 -
EBC VM Series Pilot Jet EBC22/210-42.5
EBC
$13.76A carburetor runs only as well as its jets allow. The EBC VM Series Pilot Jet delivers precise fuel metering at idle and low-throttle conditions—critical for smooth engine response and reliable starting. If you're rebuilding a Mikuni VM, TM, or TMS/TMX...10050026- SKU:
- 10050026
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRASS
- JET SIZE:
- 42.5
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- HEAD DIAMETER METRIC:
- 4.80 MM
- OVERALL LENGTH METRIC:
- 13.50 MM
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
- BASE COLOR:
- BRASS
- JET TIP DIAMETER METRIC:
- 3.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
$13.76 -
EBC VM Series Pilot Jet EBC22/210-45
EBC
$13.76Precise fuel delivery is non-negotiable when tuning a carbureted engine—even a single jet size off can throw your air-fuel ratio out of spec and cost you power or reliability. The EBC VM Series Pilot Jet delivers flow-calibrated brass construction and...10050027- SKU:
- 10050027
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRASS
- HEAD DIAMETER METRIC:
- 4.80 MM
- OVERALL LENGTH METRIC:
- 13.50 MM
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- JET SIZE:
- 45
- JET TIP DIAMETER METRIC:
- 3.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$13.76 -
UFO Radiator Louvers - Orange- KTM AC02466
UFO
$36.95Radiator louvers are essential for managing engine temperatures during aggressive riding or racing conditions. The UFO Orange Louvers deliver precise airflow control while protecting your radiator from debris and impact—critical for maintaining peak...19040220- SKU:
- 19040220
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MATERIAL:
- PLASTIC
- BASE COLOR:
- ORANGE
- PRODUCT NAME:
- RADIATOR LOUVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- STREET
$36.95 -
UFO Radiator Louvers - Black - KTM AC02467
UFO
$36.95Engine heat management directly impacts your KTM's reliability and performance under sustained load. UFO Radiator Louvers optimize airflow to your radiator core, reducing coolant temperatures and preventing thermal-induced performance loss. Pre-cut...19040221- SKU:
- 19040221
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- RADIATOR LOUVER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
$36.95 -
WSM Jumbo-Type Filter 07-707
WSM
$3.84Fuel system contamination is one of the most overlooked causes of performance loss and injector failure in high-performance engines. The WSM Jumbo-Type Filter 07-707 delivers robust filtration in a compact form factor, protecting your fuel delivery...707- SKU:
- 707
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BODY LENGTH IMPERIAL:
- 4'
- COLOR/FINISH:
- ORANGE
- COLOR/FINISH:
- WHITE
- FOR FUEL LINE SIZE IMPERIAL:
- 5/16'
- FOR FUEL LINE SIZE METRIC:
- 7.9 MM
- PRODUCT NAME:
- FUEL FILTER
- UNITS:
- EACH
- BASE COLOR:
- ORANGE
- BASE COLOR:
- WHITE
- FEATURES:
- INCLUDES FILTER
- FOR FUEL LINE SIZE METRIC:
- 6.4 MM
- FOR FUEL LINE SIZE IMPERIAL:
- 1/4'
- INLINE FILTER ANGLE:
- STRAIGHT
- RIDING STYLE:
- STREET
- TYPE:
- INLINE
$3.84 -
MOTION PRO Premium Fuel Line - Gray - 3/16" - 25' 12-0031
MOTION PRO
$168.99Fuel line integrity directly impacts reliability and safety on the track or in your garage. Standard vinyl fuel lines degrade under UV exposure, temperature extremes, and chemical contact—compromising your fuel system when you need it most. The MOTION...MP12031- SKU:
- MP12031
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- APPLICATION:
- CARBURETED
- INSIDE DIAMETER IMPERIAL:
- 3/16'
- INSIDE DIAMETER METRIC:
- 4.8 MM
- MODEL:
- TYGON ULTRA
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- GRAY
- LENGTH IMPERIAL:
- 25'
- OUTSIDE DIAMETER IMPERIAL:
- 5/16'
- PRODUCT NAME:
- FUEL LINE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- BASE COLOR:
- GRAY
- OUTSIDE DIAMETER METRIC:
- 7.9 MM
- RIDING STYLE:
- STREET
- UNITS:
- ROLL
$168.99 -
MOTION PRO Premium Fuel Line - Gray - 5/16" - 25' 12-0033
MOTION PRO
$241.99Fuel line deterioration is one of the most overlooked causes of carburetor flooding and fuel delivery issues in carbureted engines. Motion Pro Premium Fuel Line replaces brittle, cracked OEM lines with a durable alternative that resists the elements and...MP12033- SKU:
- MP12033
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- BASE COLOR:
- GRAY
- OUTSIDE DIAMETER IMPERIAL:
- 1/2'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ROLL
- INSIDE DIAMETER IMPERIAL:
- 5/16'
- LENGTH IMPERIAL:
- 25'
- OUTSIDE DIAMETER METRIC:
- 12.7 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- APPLICATION:
- CARBURETED
- COLOR/FINISH:
- GRAY
- INSIDE DIAMETER METRIC:
- 7.9 MM
- MODEL:
- TYGON ULTRA
- PRODUCT NAME:
- FUEL LINE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$241.99 -
MOTION PRO Premium Fuel Line - Black - 5/16" - 3' 12-0056
MOTION PRO
$34.99If you're running carbureted engines, fuel line integrity directly impacts reliability and safety on the track or trail. MOTION PRO's premium fuel line outlasts standard vinyl alternatives with superior resistance to temperature extremes, UV exposure,...07060046- SKU:
- 07060046
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- INSIDE DIAMETER IMPERIAL:
- 5/16'
- OUTSIDE DIAMETER METRIC:
- 12.7 MM
- PRODUCT NAME:
- FUEL LINE
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- CARBURETED
- BASE COLOR:
- BLACK
- MODEL:
- TYGON ULTRA
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- INSIDE DIAMETER METRIC:
- 7.9 MM
- LENGTH IMPERIAL:
- 3'
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 1/2'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$34.99 -
MOTION PRO Dual Quick-Disconnect Coupling - 5/16" 12-0038
MOTION PRO
$56.99Quick-disconnect fuel couplings eliminate messy spills and connection delays during fuel system changes, maintenance, or pit stops—critical when precision and cleanliness matter. The MOTION PRO dual coupling design provides reliable fuel flow management...P12038- SKU:
- P12038
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FEATURES:
- QUICK DISCONNECT
- FITTING CONNECTOR TYPE:
- 7,9 MM (5/16') HOSE BARB
- FITTING CONNECTOR TYPE IMPERIAL:
- 5/16' HOSE BARB
- TYPE:
- FUEL LINE
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- UNITS:
- EACH
- FITTING CONNECTOR TYPE METRIC:
- 7.9 MM HOSE BARB
- PRODUCT NAME:
- COUPLING
- BASE COLOR:
- WHITE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$56.99 -
MOTION PRO Coolant Recovery Tank - 275cc 11-0099
MOTION PRO
$28.99Coolant loss during aggressive riding or extreme conditions doesn't just risk engine damage—it leaves you stranded. The MOTION PRO Coolant Recovery Tank automatically captures overflow coolant that would otherwise be lost, letting you recycle it back...19020893- SKU:
- 19020893
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- WHITE
- TYPE:
- COOLANT
- PRODUCT NAME:
- RECOVERY TANK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
$28.99 -
VFORCE/MOTO TASSINARI V-Force 4 Petal Set 4P672H
VFORCE/MOTO TASSINARI
$65.00The VFORCE/MOTO Tassinari V-Force 4 Petal Reed Set is engineered for two-stroke engines that demand maximum airflow and sustained reliability under high RPM conditions. The redesigned petal geometry and reinforced construction eliminate a critical...10080267- SKU:
- 10080267
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MATERIAL:
- CARBON FIBER
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- REED PETAL
- MODEL:
- V-FORCE 4
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
- UNITS:
- SET
$65.00
