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 - Kawasaki/Yamaha 620
BOYESEN
$28.95Stock reed valves limit your engine's breathing potential, costing you power from idle all the way to peak RPM. Boyesen's dual-stage reed design has been laboratory-validated to outflow standard reeds across the entire operating pressure range,...620- SKU:
- 620
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$28.95 -
BOYESEN Racing Reed - Maico 619
BOYESEN
$39.95Boyesen's dual-stage reed design directly addresses the performance ceiling of stock intake systems. Laboratory flow analysis confirms these reeds deliver superior flow velocity across your entire operating range, translating to measurable gains from...619- SKU:
- 619
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- YELLOW
- MODEL:
- POWER REED
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$39.95 -
BOYESEN Racing Reed - KTM 618
BOYESEN
$48.95Your KTM 618's intake system is only as efficient as its reed valves—and stock reeds leave significant performance on the table. The Boyesen Racing Reed replaces restrictive factory reeds with a dual-stage design that increases flow velocity across your...618- SKU:
- 618
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$48.95Qty in Cart: 0Quantity:Price:$48.95Subtotal: -
BOYESEN Racing Reed - KTM 617
BOYESEN
$39.95Your engine's breathing efficiency directly impacts acceleration response and top-end power delivery. The Boyesen Racing Reed optimizes intake flow dynamics across your entire powerband, translating laboratory-proven performance gains into real-world...617- SKU:
- 617
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - Husqvarna 616
BOYESEN
$48.95A reed valve directly controls your two-stroke engine's intake timing and flow efficiency—get it wrong, and you're leaving horsepower on the table. The BOYESEN Racing Reed for Husqvarna 616 uses proven dual-stage design to maximize flow velocity across...616- SKU:
- 616
- 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
$48.95 -
BOYESEN Racing Reeds - Kawasaki Tecate 615
BOYESEN
$48.95Stock reeds limit your Tecate 615's potential across the entire RPM band, leaving power on the table from idle through wide-open throttle. Boyesen's dual-stage reed design increases flow velocity at every operating pressure, translating to sharper...615- SKU:
- 615
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- ATV
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- TYPE:
- DUAL STAGE
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
$48.95 -
BOYESEN Racing Reed - Suzuki 614
BOYESEN
$28.95The Boyesen Racing Reed transforms your Suzuki 614's intake efficiency by optimizing flow dynamics across the entire RPM range. Laboratory-validated dual-stage reed design delivers measurably higher flow velocity at all operating pressures, translating...614- SKU:
- 614
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- UNITS:
- SET
- MODEL:
- POWER REED
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
BOYESEN Racing Reed - Husqvarna 612
BOYESEN
$59.95The stock reed valve is one of the first restrictions limiting your Husqvarna 612's potential. Boyesen's dual-stage reed design has been laboratory-proven to increase flow velocity across your entire operating range—meaning faster throttle response at...612- SKU:
- 612
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- POWER REED
- RIDING STYLE:
- STREET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
BOYESEN Racing Reed - KX250 '03 6116
BOYESEN
$39.95The factory reed valve is a compromise designed for broad compatibility, not peak performance. The Boyesen Racing Reed transforms your KX250's intake efficiency through dual-stage design that maintains flow velocity across the entire RPM range—from crisp...6116- SKU:
- 6116
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$39.95 -
BOYESEN Racing Reed - KX125 '03 6115
BOYESEN
$39.95The BOYESEN Racing Reed transforms your KX125's intake efficiency by leveraging dual-stage reed technology that laboratory testing proves outperforms standard reeds across your entire power band. From cold starts to full throttle acceleration, these...6115- SKU:
- 6115
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$39.95 -
BOYESEN Racing Reed - RM250 '03 6114
BOYESEN
$39.95The reed valve is where combustion efficiency begins. Boyesen's dual-stage reed design maximizes flow velocity across the entire operating pressure range, translating directly to stronger power delivery from idle through peak RPM. If you're running an...6114- SKU:
- 6114
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- MODEL:
- POWER REED
$39.95 -
BOYESEN Racing Reed - RM125 '03 6113
BOYESEN
$39.95The Boyesen Racing Reed for RM125 '03 models directly impacts your engine's intake efficiency, translating to measurable gains in throttle response and acceleration. Laboratory flow analysis confirms that Boyesen's dual-stage design outperforms standard...6113- SKU:
- 6113
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - YZ250 6112
BOYESEN
$39.95Your YZ250's intake efficiency directly impacts throttle response and power delivery across the entire RPM range. Boyesen's dual-stage reed design unlocks measurable flow improvements that stock reeds simply can't match, translating to faster...6112- SKU:
- 6112
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- TYPE:
- DUAL STAGE
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - YZ125 '03 6111
BOYESEN
$39.95The stock reed valve in your YZ125 is limiting your engine's breathing potential, costing you measurable power across the entire RPM range. Boyesen's dual-stage reed design has been proven through laboratory flow analysis to deliver superior performance...6111- SKU:
- 6111
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- POWER REED
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - CR250 '03 6110
BOYESEN
$48.95The stock reed valve on your CR250 is leaving performance on the table. Boyesen's dual-stage reed design has been laboratory-proven to outflow standard reeds across the entire operating pressure range, delivering measurable gains from cold-start response...6110- SKU:
- 6110
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
$48.95Qty in Cart: 0Quantity:Price:$48.95Subtotal: -
BOYESEN Racing Reed - CR125 '03 6109
BOYESEN
$39.95Stock reeds limit your CR125's potential across the entire power band, forcing you to sacrifice flow efficiency at both low-end responsiveness and peak acceleration. Boyesen's dual-stage reed design has been laboratory-proven to outperform standard reeds...6109- SKU:
- 6109
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- POWER REED
- UNITS:
- SET
- 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 Racing Reed - RM250 '02 6106
BOYESEN
$39.95The Boyesen Racing Reed (6106) delivers measurable flow improvements across your entire powerband, translating directly to faster acceleration and more responsive throttle feel. Laboratory flow analysis confirms that Boyesen's dual-stage reed design...6106- SKU:
- 6106
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - YZ85 '02-'16 6105
BOYESEN
$34.95The stock reed valve in your YZ85 is your engine's gatekeeper—and it's holding back performance. Boyesen's dual-stage reed design has been proven in laboratory flow analysis to outperform OEM reeds across the entire operating pressure range, delivering...6105- SKU:
- 6105
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Racing Reed - Honda/Yamaha 606
BOYESEN
$39.95Your intake system is only as efficient as its reed valve design, and standard reeds leave significant performance on the table across your entire power band. Boyesen's dual-stage reed design has been proven through laboratory flow analysis to deliver...606- SKU:
- 606
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$39.95 -
BOYESEN Reed 605
BOYESEN
$34.95Reed valve performance directly impacts your engine's intake efficiency and throttle response across the entire RPM range. The Boyesen Reed 605 employs dual-stage reed technology that's been validated through laboratory flow analysis to deliver...605- SKU:
- 605
- 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
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal:
