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
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BOYESEN Pro Series Reed for RAD34C PSR21
BOYESEN
$64.95The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can...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
$69.95The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers the quickest acceleration any reed can...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
$99.95Wing channel minimizes disturbance at needle jet without affecting jetting curve, Aerodynamic design maximizes velocity generation and power gain, Increases horsepower and torque in 2-stroke and 4-stroke, Precision fit ensures perfect alignment and easy...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: -
On Sale
EBC VM Series Pilot Jet EBC22/210-110
EBC
MSRP: $13.76Now: $13.07Was: $13.76Brass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rate, Sold to dealers in 4-packs; sold to consumers as each, High-quality replacements; NOT original Mikuni jets, Fit all VM, TM and TMS/TMX carburetors, 13.5mm...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
MSRP: $13.76Now: $13.07Was: $13.76Qty in Cart: 0Quantity:Price:MSRP: $13.76Now: $13.07Was: $13.76Subtotal: -
VFORCE/MOTO TASSINARI V-Force 3 Petal Set - Order/Replacements 3P352H
VFORCE/MOTO TASSINARI
$65.00Reed tip shape accelerates air mixture, ensuring increased airflow for increased horsepower, When ordering replacement reeds, order one set per reed cage10080079- 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: $32.99Constructed of high tensile plastic, Features already cut-out openings to ensure quick and easy installation19040224- 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
$36.95Constructed of high tensile plastic, Features already cut-out openings to ensure quick and easy installation19040229- 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
$36.95Qty in Cart: 0Quantity:Price:$36.95Subtotal: -
Hiflofiltro Foam Air Filter for Suzuki RM-Z250 2019-2024 HFF3026
HIFLOFILTRO
$23.60Experience enhanced engine performance with the HIFLOFILTRO Air Filter, designed specifically for RM-Z 250 and 450 models. This advanced filter features a unique dual-layer foam construction that maximizes airflow while ensuring top-tier filtration...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
$39.95Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration687- 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
$39.95Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration685- 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
$28.95Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration665- 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
$39.95Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration654- 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
$28.95Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration622- 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
$28.95Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration611- 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
$185.00When ordering replacement reeds, order one set per reed cage and confirm replacement reeds have the same number of petals as the set you are replacing, Snap-together cage uses symmetrical reed petals, eliminating the need for different "inner" and...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
$106.42Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase, Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increase, Stage 3: stock/mild modified engine, stock/modified pipes,...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
$24.95Made from pure silicone rubber, Designed for vent lines on carburetors, gas cap overflow, radiator overflow, water pump bypass, oil cooler and various other applications, Working operating temperature up to 420°F (215°C), NOT designed as a fuel delivery...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
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
CV4 Vent Tubing - Green - 4mm SFSVT4-3G
CV4
$24.95Made from pure silicone rubber, Designed for vent lines on carburetors, gas cap overflow, radiator overflow, water pump bypass, oil cooler and various other applications, Working operating temperature up to 420°F (215°C), NOT designed as a fuel delivery...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
$36.95Made of flame-laminated dual-layer foam bonded with the highest quality glue to stand up to the roughest and toughest of riding styles and terrains, For use in riding conditions that are so extremely dusty or sandy that added protection is needed, Slight...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: $36.95Space-age polymer Super-Flo cage is not burdened with a backfire screen and fits snugly for a tight and strong seal, Filter has a flame-retardant inner lining and protects bike and rider from unwanted fires, Replaces stock filter and air-restricting cage...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:
