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 Pro Series Reed for RAD34C PSR21
BOYESEN
$64.95If you're running a RAD34C PSR21 and want measurable gains in throttle response and acceleration, the Boyesen Pro Series Reed is the upgrade that delivers. The dual-stage carbon fiber construction responds instantly to piston speed changes, giving you...PRO21- SKU:
- PRO21
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BASE COLOR:
- YELLOW
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
BOYESEN Pro Series Reed for RAD33G PSR-174
BOYESEN
$69.95If you're running a RAD33G PSR-174 engine and need throttle response that actually keeps pace with your riding intensity, the Boyesen Pro Series Reed is engineered to deliver. This reed responds dynamically to piston speed changes, translating into the...PRO174- SKU:
- PRO174
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
BOYESEN Power Wing - YZ 85 PW-10
BOYESEN
$99.95If you're running a YZ 85, you know that extracting every last horsepower matters—especially when competition is tight. The BOYESEN Power Wing optimizes your engine's breathing efficiency by fine-tuning fuel atomization at the needle jet, delivering...10500140- SKU:
- 10500140
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- FUEL ATOMIZER
- UNITS:
- EACH
- BASE COLOR:
- GOLD
- COLOR/FINISH:
- GOLD
- MODEL:
- POWERWING
- RIDING STYLE:
- OFF-ROAD
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
EBC VM Series Pilot Jet EBC22/210-110
EBC
$13.76If you're running a VM, TM, or TMS/TMX carb and noticing erratic idle, hesitation, or inconsistent jetting, a worn or miscalibrated pilot jet is often the culprit. The EBC VM Series Pilot Jet delivers precision fuel metering at low throttle...10050043- SKU:
- 10050043
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- COLOR/FINISH:
- BRASS
- BASE COLOR:
- BRASS
- HEAD DIAMETER METRIC:
- 4.80 MM
- OVERALL LENGTH METRIC:
- 13.50 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- PILOT
- JET SIZE:
- 110
- 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
$13.76Qty in Cart: 0Quantity:Price:$13.76Subtotal: -
VFORCE/MOTO TASSINARI V-Force 3 Petal Set - Order/Replacements 3P352H
VFORCE/MOTO TASSINARI
$65.00The V-Force 3 Petal Set delivers measurable horsepower gains by optimizing intake charge velocity through precision-engineered reed geometry. If you're rebuilding your power valve or replacing worn reeds, this OEM-equivalent replacement set restores your...10080079- SKU:
- 10080079
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- CARBON FIBER
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REED PETAL
- TYPE:
- SNAP TOGETHER
- UNITS:
- SET
- MODEL:
- V-FORCE 3
- RIDING STYLE:
- OFF-ROAD
$65.00Qty in Cart: 0Quantity:Price:$65.00Subtotal: -
On Sale
UFO Radiator Louvers - Black - RMZ250 AC02460
UFO
MSRP: $32.99Now: $21.00Was: $32.99Radiator louvers improve cooling efficiency by directing airflow across your radiator core during high-demand riding conditions. The UFO Radiator Louvers are engineered to reduce engine temperatures under sustained throttle, helping you maintain peak...19040224- SKU:
- 19040224
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- RADIATOR LOUVER
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
MSRP: $32.99Now: $21.00Was: $32.99Qty in Cart: 0Quantity:Price:MSRP: $32.99Now: $21.00Was: $32.99Subtotal: -
UFO Radiator Louvers - Black - YZF AC02458
UFO
$36.95Radiator louvers are essential for managing engine bay airflow and protecting your radiator from debris during aggressive riding or racing conditions. The UFO Radiator Louvers reduce unwanted turbulence while maintaining optimal cooling efficiency,...19040229- SKU:
- 19040229
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- RADIATOR LOUVER
- UNITS:
- PAIR
$36.95 -
Hiflofiltro Foam Air Filter for Suzuki RM-Z250 2019-2024 HFF3026
HIFLOFILTRO
$23.60A quality air filter is fundamental to engine performance—it directly impacts throttle response, fuel efficiency, and overall power delivery. The Hiflofiltro HFF3026 dual-layer foam construction strikes the critical balance between maximizing airflow and...10114429- SKU:
- 10114429
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- WHITE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- UNIQUE
- TYPE:
- DUAL-STAGE
- BASE COLOR:
- WHITE
- COLOR/FINISH:
- GREEN
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- ROUND
- UNITS:
- EACH
$23.60 -
BOYESEN Racing Reeds - RM125 '99-'00 687
BOYESEN
$39.95Reed valve performance directly impacts your RM125's throttle response and overall engine efficiency. Boyesen's dual-stage reed design has been laboratory-validated to deliver superior flow characteristics across the entire operating pressure range,...687- SKU:
- 687
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- SET
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Reed - KTM125/200 685
BOYESEN
$39.95The reed valve is one of the most critical components in your KTM two-stroke engine, directly controlling intake flow and fuel charge efficiency. A stock reed will limit your engine's breathing potential, restricting power throughout the RPM range...685- SKU:
- 685
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- TYPE:
- DUAL STAGE
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reeds - KTM65 665
BOYESEN
$28.95The reed valve is the heartbeat of your KTM65's two-stroke engine, controlling fuel and air intake timing at every RPM. Stock reeds limit your engine's breathing potential and leave power on the table—Boyesen Racing Reeds unlock that performance through...665- SKU:
- 665
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
BOYESEN Racing Reed - Yamaha 654
BOYESEN
$39.95A properly tuned reed valve system is critical to maximizing your engine's intake efficiency, and Boyesen's dual-stage design delivers measurable flow improvements across the entire RPM range. Laboratory testing confirms that these reeds sustain higher...654- SKU:
- 654
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - Kawasaki 622
BOYESEN
$28.95Your stock reed valve is limiting your engine's breathing potential. Boyesen's dual-stage reed design unlocks measurable flow improvements across the entire RPM band, delivering faster throttle response and stronger acceleration from idle to redline. If...622- SKU:
- 622
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- POWER REED
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
BOYESEN Racing Reed - Suzuki 611
BOYESEN
$28.95The intake reed is one of the most critical components in your engine's fuel delivery system, directly affecting throttle response and peak performance across the entire RPM range. Stock reeds impose unnecessary flow restrictions that limit your engine's...611- SKU:
- 611
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- POWER REED
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
VFORCE/MOTO TASSINARI V-Force Reeds - Yamaha V4R82B-I
VFORCE/MOTO TASSINARI
$185.00V-Force reeds are engineered to maximize intake efficiency and airflow consistency, directly translating to measurable horsepower gains and improved throttle response. If you're running a two-stroke or small-displacement four-stroke with a reed valve...10080314- SKU:
- 10080314
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- TYPE:
- SNAP TOGETHER
- UNITS:
- SET
- MATERIAL:
- RUBBER
- MODEL:
- V-FORCE 3
- PRODUCT NAME:
- REED VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
$185.00 -
DYNOJET Jet Kit - Honda CRF250R 1173
DYNOJET
$106.42If you're running a Honda CRF250R and want measurable power gains without sacrificing reliability, the DYNOJET Jet Kit delivers tuning flexibility to match your engine's current state and riding demands. Whether you're seeking modest improvements for...10070514- SKU:
- 10070514
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- BRASS
- PRODUCT NAME:
- JET KIT
- TYPE:
- STAGE 1
$106.42Qty in Cart: 0Quantity:Price:$106.42Subtotal: -
CV4 Vent Tubing - Orange - 4mm SFSVT4-3O
CV4
$24.95Carburetor vent lines, radiator overflow tubes, and oil cooler hoses demand materials that can handle both heat cycles and chemical exposure without degrading. The CV4 Vent Tubing delivers reliable performance across multiple engine bay applications with...07060096- SKU:
- 07060096
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- COLOR/FINISH:
- ORANGE
- INSIDE DIAMETER:
- 4,0 MM
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
- UNITS:
- EACH
- BASE COLOR:
- ORANGE
- INSIDE DIAMETER METRIC:
- 4.0 MM
- LENGTH IMPERIAL:
- 9.8'
- MATERIAL:
- SILICONE RUBBER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- STREET
$24.95 -
CV4 Vent Tubing - Green - 4mm SFSVT4-3G
CV4
$24.95Carburetor vent lines, overflow tubes, and cooling system breathers demand reliable, heat-resistant tubing that won't degrade or crack under engine bay conditions. The CV4 Vent Tubing handles continuous thermal cycling and peak operating temperatures...07060095- SKU:
- 07060095
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BASE COLOR:
- GREEN
- INSIDE DIAMETER METRIC:
- 4.0 MM
- LENGTH IMPERIAL:
- 9.8'
- MATERIAL:
- SILICONE RUBBER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- ATV
- TYPE:
- VENT
- UNITS:
- EACH
- INSIDE DIAMETER:
- 4,0 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
NO TOIL Air Filter X150-46
NO TOIL
$36.95If you're tackling extreme riding conditions—sandy desert runs, heavily dusty trails, or multi-terrain endurance events—the NO TOIL Air Filter X150-46 delivers the filtration protection your engine demands without sacrificing reliability. The...10113871- SKU:
- 10113871
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FILTER SHAPE:
- UNIQUE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FLAME LAMINATED
- BASE COLOR:
- OFF-WHITE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- AIR FILTER
- TYPE:
- DUAL-STAGE
- UNITS:
- EACH
- COLOR/FINISH:
- OFF-WHITE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- EXTREME CONDITION
$36.95Qty in Cart: 0Quantity:Price:$36.95Subtotal: -
On Sale
NO TOIL Replacement Air Filter FRF17045
NO TOIL
MSRP: $36.95Now: $24.00Was: $36.95Stock air filters and restrictive intake cages limit your engine's breathing potential, directly costing you horsepower and throttle response. The NO TOIL Replacement Air Filter FRF17045 swaps out that factory bottleneck with a high-flow design...10114103- SKU:
- 10114103
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- GREEN
- FEATURES:
- BACKFIRE RESISTANT LAYER
- MODEL:
- SUPER-FLO
- STYLE:
- FLAME LAMINATED
- UNITS:
- EACH
- BASE COLOR:
- GREEN
- COLOR/FINISH:
- RED
- FEATURES:
- PRE-OILED
- FEATURES:
- WASHABLE
- TYPE:
- REPLACEMENT
MSRP: $36.95Now: $24.00Was: $36.95Qty in Cart: 0Quantity:Price:MSRP: $36.95Now: $24.00Was: $36.95Subtotal:
