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
-
K & N Clamp-On Air Filter - Yamaha RU-2780
K & N
$73.99If you're running a carbureted Yamaha and want measurable gains in throttle response and mid-range power, a high-flow air filter is one of the most cost-effective upgrades available. The K&N RU-2780 eliminates the restrictive stock airbox, allowing your...10112673- SKU:
- 10112673
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$73.99 -
Hiflofiltro Air Filter Yamaha YFZ450R 2009-2025 HFF4022
HIFLOFILTRO
$30.60A quality air filter is foundational to engine reliability and performance—cheap filters let contaminants slip through, robbing you of horsepower and accelerating wear on critical components. The Hiflofiltro HFF4022 delivers OEM-grade filtration with the...10112672- SKU:
- 10112672
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$30.60 -
Hiflofiltro Air Filter Yamaha YFZ350 Banshee 1987-2006 HFF4021
HIFLOFILTRO
$23.60A quality air filter is fundamental to protecting your YFZ350 Banshee's engine from dust, sand, and debris while maintaining the airflow needed for consistent performance. The HFF4021's dual-layer foam design balances filtration efficiency with minimal...10112671- SKU:
- 10112671
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$23.60Qty in Cart: 0Quantity:Price:$23.60Subtotal: -
NO TOIL Super-Flo Filter Kit SFK12046
NO TOIL
$76.95Stock air filters choke your engine's breathing, leaving horsepower on the table. The NO TOIL Super-Flo Filter Kit SFK12046 replaces restrictive factory components with a high-flow design that increases air volume to the combustion chamber—translating...10111142- SKU:
- 10111142
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MATERIAL:
- POLYMER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- GREEN
- COLOR/FINISH:
- RED
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR CLEANER ASSEMBLY
- UNITS:
- KIT
- BASE COLOR:
- RED
- COLOR/FINISH:
- GREEN
- FEATURES:
- BACKFIRE RESISTANT LAYER
- FEATURES:
- PRE-OILED
- MODEL:
- SUPER-FLO
$76.95Qty in Cart: 0Quantity:Price:$76.95Subtotal: -
NO TOIL Air Filter - Gas Gas 520-15
NO TOIL
$30.95A quality air filter is the first line of defense between your engine and abrasive dust, dirt, and debris. The NO TOIL 520-15 delivers superior filtration without sacrificing airflow—critical when you're pushing hard in demanding terrain. Pair this with...10111033- SKU:
- 10111033
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- DUAL-STAGE
- FILTER SHAPE:
- ROUND
- STYLE:
- FLAME LAMINATED
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- OFF-WHITE
- PRODUCT NAME:
- AIR FILTER
$30.95 -
K & N Electric Fuel Pump 81-0400
K & N
$129.99A reliable fuel pump is the foundation of any high-performance fuel system—undersized or failing units cause vapor lock, hesitation, and inconsistent power delivery. The K&N 81-0400 delivers consistent fuel pressure with minimal electrical draw and...10090028- SKU:
- 10090028
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- FUEL PRESSURE REGULATOR SIZE METRIC:
- 1.50 PSI - 2.00 PSI
- PRODUCT NAME:
- FUEL PUMP
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- FUEL PRESSURE REGULATOR SIZE IMPERIAL:
- 15.00 GPH
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$129.99 -
VFORCE/MOTO TASSINARI V-Force Reed V4R85A
VFORCE/MOTO TASSINARI
$175.00Reed quality directly impacts your engine's breathing efficiency and overall performance reliability. The V-Force Reed V4R85A delivers measurable gains in airflow and petal durability through precision engineering—a critical upgrade for anyone serious...10080316- SKU:
- 10080316
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BASE COLOR:
- BLACK
- MODEL:
- V-FORCE 4
- COLOR/FINISH:
- BLACK
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED SET
- UNITS:
- SET
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
$175.00 -
VFORCE/MOTO TASSINARI V-Force 4 Petal Set - Yamaha 4PR461M
VFORCE/MOTO TASSINARI
$65.00V-Force 4 reed petals deliver measurable gains in intake charge velocity and cylinder filling, translating directly to increased horsepower and throttle response on your Yamaha. The symmetrical petal design eliminates installation complexity while the...10080315- SKU:
- 10080315
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- MODEL:
- V-FORCE 4
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- OFF-ROAD
$65.00 -
BOYESEN Radiator Valve RAD42E
BOYESEN
$179.95The BOYESEN Radiator Valve RAD42E is engineered to optimize intake charge distribution and maintain consistent flow velocity through your engine's intake ports. Developed in collaboration with Factory Yamaha, Pro Circuit, Factory Kawasaki of Europe, and...10080311- SKU:
- 10080311
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- RAD VALVE
- UNITS:
- EACH
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
VFORCE/MOTO TASSINARI V-Force 3 Reeds - Order/Replacement - Suzuki V383S-A
VFORCE/MOTO TASSINARI
$175.00Reed petals are the hardworking gatekeepers of your engine's intake tract—when they wear, crack, or lose their snap, you lose power and responsiveness. The V-Force 3 design accelerates your air-fuel mixture through optimized reed tip geometry, delivering...10080240- SKU:
- 10080240
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- RUBBER
- MODEL:
- V-FORCE 3I
- PRODUCT NAME:
- REED VALVE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SNAP TOGETHER
- COLOR/FINISH:
- BLACK
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
$175.00 -
BOYESEN Radiator Valve - YZ85 '02-'18 RAD-30C
BOYESEN
$169.95The BOYESEN Radiator Valve optimizes intake charge distribution across your YZ85's cylinder head, delivering sharper throttle response and measurable horsepower gains throughout the RPM range. By maintaining flow velocity and directing the intake charge...10080173- SKU:
- 10080173
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- MATERIAL:
- CARBON FIBER
- TYPE:
- DUAL STAGE
- MATERIAL:
- ALUMINUM
- MODEL:
- RAD VALVE
- UNITS:
- EACH
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
BOYESEN Radiator Valve - KTM65 SX RAD-40A
BOYESEN
$169.95If you're running a KTM 65 SX and want measurable gains in throttle response and mid-range torque, a Boyesen radiator valve is one of the highest-ROI bolt-on modifications available. By optimizing intake charge distribution and maintaining flow velocity...10080164- SKU:
- 10080164
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MATERIAL:
- CARBON FIBER
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
$169.95 -
VFORCE/MOTO TASSINARI V-Force 3 Reeds - Honda V321A
VFORCE/MOTO TASSINARI
$165.00The V-Force 3 Reeds are engineered to maximize intake efficiency by accelerating the air-fuel mixture through an optimized reed tip shape, delivering measurable gains in horsepower and throttle response. Designed specifically for Honda V321A...10080137- SKU:
- 10080137
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- RUBBER
- MODEL:
- V-FORCE 3
- PRODUCT NAME:
- REED VALVE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SNAP TOGETHER
- COLOR/FINISH:
- BLACK
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
$165.00 -
BOYESEN Pro Series Reed for RAD-34J PSR-034
BOYESEN
$69.95If you're running a two-stroke with a reed valve induction system, throttle response and power delivery depend entirely on your reed quality. The Boyesen Pro Series Reed delivers the responsiveness and acceleration you need to stay competitive, using a...10080122- SKU:
- 10080122
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
$69.95 -
DYNOJET Jet Kit - Kawasaki KLX 250 S 2152
DYNOJET
$114.43The DYNOJET Jet Kit for your KLX 250 S delivers measurable power gains across the RPM range while restoring the responsive throttle feel that factory carburetor tuning often sacrifices. Whether you're running modified exhaust or individual air filters,...10070515- SKU:
- 10070515
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- STAGE 1
- UNITS:
- KIT
- TYPE:
- STAGE 2
- PRODUCT NAME:
- JET KIT
- RIDING STYLE:
- STREET
- MATERIAL:
- BRASS
$114.43Qty in Cart: 0Quantity:Price:$114.43Subtotal: -
DYNOJET Jet Kit - Yamaha YZ250F 4132
DYNOJET
$114.43Carburetor jetting is one of the most direct ways to unlock hidden horsepower in your YZ250F—especially if you've modified your intake or exhaust. The DYNOJET Jet Kit gives you precise fuel mapping across multiple stages, allowing you to dial in the...10070513- SKU:
- 10070513
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- STAGE 1
- PRODUCT NAME:
- JET KIT
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$114.43Qty in Cart: 0Quantity:Price:$114.43Subtotal: -
DYNOJET Jet Kit - Kawasaki KLR 650 2120
DYNOJET
$114.43Carburetor tuning is critical for maximizing your KLR 650's performance, especially if you've upgraded your air intake or exhaust system. The DYNOJET Jet Kit (2120) gives you precise control over fuel delivery across the RPM range, eliminating lean...10070512- SKU:
- 10070512
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- TYPE:
- STAGE 1
- TYPE:
- STAGE 2
- MATERIAL:
- BRASS
- UNITS:
- KIT
- PRODUCT NAME:
- JET KIT
$114.43 -
DYNOJET Jet Kit - Honda CRF250X 1150
DYNOJET
$114.43Fine-tuning your CRF250X's fuel mapping unlocks measurable power gains across the rev range while maintaining the reliability your bike demands. Whether you're chasing track performance or smoothing out drivability on a modified build, the DYNOJET Jet...10070510- SKU:
- 10070510
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- BRASS
- PRODUCT NAME:
- JET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- STAGE 2
$114.43 -
HELIX In-Line Reducer Tube - 3/8"-5/16" 053-3492
HELIX
$7.56Proper fluid routing is foundational to engine reliability, and undersized or damaged fuel, oil, and air lines compromise both performance and safety. The HELIX In-Line Reducer Tube lets you downsize line diameter without leaks or kinks, making it...07060320- SKU:
- 07060320
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FITTING CONNECTOR TYPE:
- 7,9 MM (5/16') HOSE BARB
- FITTING CONNECTOR TYPE IMPERIAL:
- 3/8' HOSE BARB
- FITTING CONNECTOR TYPE IMPERIAL:
- 5/16' HOSE BARB
- FITTING CONNECTOR TYPE METRIC:
- 9.5 MM HOSE BARB
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- REDUCER
- TYPE:
- HOSE
- BASE COLOR:
- BRASS
- FITTING CONNECTOR TYPE METRIC:
- 7.9 MM HOSE BARB
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- ATV
- UNION FITTING ANGLE:
- STRAIGHT
- COLOR/FINISH:
- BRASS
- FITTING CONNECTOR TYPE:
- 9,5 MM (3/8') HOSE BARB
- UNITS:
- EACH
$7.56 -
CV4 Vent Tubing - Blue - 4mm SFSVT4-3B
CV4
$24.95Carburetor and cooling system vent lines demand reliable, heat-resistant tubing that won't degrade under engine bay conditions. This CV4 Vent Tubing handles overflow and bypass applications across multiple systems without the brittleness or permeability...07060094- SKU:
- 07060094
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE COLOR:
- BLUE
- INSIDE DIAMETER:
- 4,0 MM
- MATERIAL:
- SILICONE RUBBER
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- BLUE
- INSIDE DIAMETER METRIC:
- 4.0 MM
- LENGTH IMPERIAL:
- 9.8'
- RIDING STYLE:
- OFF-ROAD
$24.95
