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 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...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...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
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
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...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
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
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...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...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...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...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...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...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...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...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
$34.95 -
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...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...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: -
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...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,...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...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
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
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...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...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...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
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
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...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
$29.40Qty in Cart: 0Quantity:Price:$29.40Subtotal:
