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 - Yamaha 604
BOYESEN
$39.95Your engine's intake system is only as efficient as its reed valves—and stock reeds are holding back your Yamaha 604's potential. Boyesen's dual-stage reed design delivers measurably higher flow velocities across the entire pressure curve, translating...604- SKU:
- 604
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reeds - Yamaha 603
BOYESEN
$34.95The intake reed system is where your engine's performance begins—and stock reeds are a bottleneck. Boyesen Racing Reeds deliver measurably superior flow velocity across your entire operating range, translating to quicker throttle response, stronger...603- SKU:
- 603
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- TYPE:
- DUAL STAGE
$34.95 -
BOYESEN Racing Reeds - Suzuki 602
BOYESEN
$22.95Boyesen racing reeds are engineered to maximize intake flow velocity across your engine's entire operating range, delivering measurable gains from cold start through peak acceleration. Laboratory flow analysis confirms the dual-stage reed design...602- SKU:
- 602
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$22.95 -
BOYESEN Racing Reed - Suzuki 601
BOYESEN
$28.95The reed valve is the silent powerhouse controlling your engine's intake dynamics—and standard reeds leave performance on the table. Boyesen's dual-stage reed design has been laboratory-proven to deliver superior flow velocity across the entire operating...601- SKU:
- 601
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
BOYESEN Racing Reed - Suzuki 600
BOYESEN
$22.95The Boyesen Racing Reed for Suzuki 600 delivers measurable flow improvements across your entire power band, translating to sharper throttle response and stronger acceleration from low RPM through peak performance. Laboratory flow analysis confirms that...600- SKU:
- 600
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- BASE COLOR:
- YELLOW
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$22.95 -
CV4 Radiator Hose Kit - Red - Honda SFSMBC70R
CV4
$184.95OEM radiator hoses degrade under sustained heat cycles, compromising cooling system integrity and risking catastrophic engine failure. The CV4 Radiator Hose Kit replaces that vulnerability with pure silicone construction that maintains flexibility and...19021696- SKU:
- 19021696
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- STYLE:
- PERFORMANCE
- COLOR/FINISH:
- RED
- UNITS:
- KIT
- TYPE:
- RADIATOR
- MATERIAL:
- SILICONE
- PRODUCT NAME:
- HOSE
- RIDING STYLE:
- OFF-ROAD
$184.95 -
JETINETICS Mikuni Flame/Arrestor Adapter - 46 mm PD-820138
JETINETICS
$29.40If you're upgrading to an aftermarket Mikuni carburetor, you need proper flame arrestor compatibility to maintain safety and engine protection. This JETINETICS adapter bridges the gap between your existing 2-3/4" i.d. flame arrestor and your new...10130081- SKU:
- 10130081
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- WATERCRAFT
- SIZE:
- 46,00 MM (1,81')
- TYPE:
- FLAME ARRESTOR
- MODEL:
- MIKUNI
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- ADAPTER
- SIZE IMPERIAL:
- 1.81'
- SIZE METRIC:
- 46.00 MM
- UNITS:
- EACH
$29.40 -
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
$76.95 -
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
$179.95 -
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
