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,...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...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
$22.95 -
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...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...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: -
On Sale
EBC Pilot Jet EBC424-21-42
EBC
MSRP: $19.50Now: $18.53Was: $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...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
MSRP: $19.50Now: $18.53Was: $19.50 -
On Sale
EBC Pilot Jet EBC424-21-45
EBC
MSRP: $19.50Now: $18.53Was: $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...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
MSRP: $19.50Now: $18.53Was: $19.50 -
On Sale
EBC VM Series Pilot Jet EBC22/210-35
EBC
MSRP: $13.76Now: $13.07Was: $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...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
MSRP: $13.76Now: $13.07Was: $13.76 -
On Sale
EBC VM Series Pilot Jet EBC22/210-37.5
EBC
MSRP: $13.76Now: $13.07Was: $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...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
MSRP: $13.76Now: $13.07Was: $13.76 -
On Sale
EBC VM Series Pilot Jet EBC22/210-40
EBC
MSRP: $13.76Now: $13.07Was: $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...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
MSRP: $13.76Now: $13.07Was: $13.76 -
On Sale
EBC VM Series Pilot Jet EBC22/210-42.5
EBC
MSRP: $13.76Now: $13.07Was: $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...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
MSRP: $13.76Now: $13.07Was: $13.76 -
On Sale
EBC VM Series Pilot Jet EBC22/210-45
EBC
MSRP: $13.76Now: $13.07Was: $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...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
MSRP: $13.76Now: $13.07Was: $13.76 -
UFO Radiator Louvers - Orange- KTM AC02466
UFO
$38.95Radiator 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...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
$38.95 -
UFO Radiator Louvers - Black - KTM AC02467
UFO
$38.95Engine 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...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
$38.95 -
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...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...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...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...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...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...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...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
