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 Single-Stage Reed - Carbon - Kawasaki SSC012
BOYESEN
$50.95Snowmobile Super Stock Reeds SSC012 Designed as complete cylinder sets for easy installation One set needed per cylinder for optimal performance Durable construction ensures longer lifespan compared to competitors Available in carbon or...SSC012- SKU:
- SSC012
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- MATERIAL:
- CARBON
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- ATV
$50.95 -
BOYESEN Pro Series Reeds - CR250 '01 PRO146
BOYESEN
$62.95Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offer the quickest acceleration any reed can offer; maximizes...PRO146- SKU:
- PRO146
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
$62.95 -
BOYESEN Pro Series Reed for RAD01F PSR145
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...PRO145- SKU:
- PRO145
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
$64.95 -
BOYESEN Pro Series Reed - CR125 '01-'02 PRO144
BOYESEN
$62.95Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offer the quickest acceleration any reed can offer; maximizes...PRO144- SKU:
- PRO144
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$62.95 -
MOTION PRO Dual Quick-Disconnect Coupling - 1/4" 12-0037
MOTION PRO
$49.99When connected fuel will flow and when disconnected fuel will not flow, Capable of withstanding temperatures of -40°F to 180°F, These quick-disconnect fittings utilize Nitrile (Buna N) O-rings and may not be compatible with some race fuels, Made in the U...P12037- SKU:
- P12037
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FITTING CONNECTOR TYPE IMPERIAL:
- 1/4' HOSE BARB
- PRODUCT NAME:
- COUPLING
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- STYLE:
- DUAL
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- QUICK DISCONNECT
- FITTING CONNECTOR TYPE METRIC:
- 6.4 MM HOSE BARB
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- FUEL LINE
- UNITS:
- EACH
- BASE COLOR:
- WHITE
- FITTING CONNECTOR TYPE:
- 6,4 MM (1/4') HOSE BARB
- RIDING STYLE:
- STREET
$49.99 -
MIKUNI Needle Valve Arm Spring - 80 grams 730-03033
MIKUNI
$2.84Made in Japan999730015- SKU:
- 999730015
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- WATERCRAFT
- SPRING RATE METRIC:
- 80.00 G
- TYPE:
- NEEDLE VALVE
$2.84 -
MIKUNI Needle Valve Arm Spring - 65 grams 730-03030
MIKUNI
$2.84Made in Japan73003030- SKU:
- 73003030
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- WATERCRAFT
- SPRING RATE METRIC:
- 65.00 G
- TYPE:
- NEEDLE VALVE
- UNITS:
- EACH
$2.84 -
MIKUNI Needle Valve Arm Spring - 115 grams 730-03027
MIKUNI
$2.84Made in Japan73003027- SKU:
- 73003027
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- SPRING RATE METRIC:
- 115.00 G
- TYPE:
- NEEDLE VALVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- WATERCRAFT
$2.84 -
BOYESEN Racing Reeds - KX250 692
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 acceleration692- SKU:
- 692
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
$39.95 -
BOYESEN Racing Reeds - KX125 691
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 acceleration691- SKU:
- 691
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
$39.95 -
BOYESEN Reed - TM/Honda 690
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 acceleration690- SKU:
- 690
- 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
$39.95 -
BOYESEN Reed - YZ250 '99-'00 689
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 acceleration689- SKU:
- 689
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- POWER REED
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$39.95 -
BOYESEN Reed - KX250 '99 688
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 acceleration688- SKU:
- 688
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- POWER REED
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$39.95 -
BOYESEN Reed - KTM250/380 686
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 acceleration686- SKU:
- 686
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- POWER REED
- RIDING STYLE:
- ATV
- UNITS:
- SET
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$39.95 -
BOYESEN Reed - CR250 '99-'00 684
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 acceleration684- SKU:
- 684
- 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
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reed - RM250 '98-'00 681
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 acceleration681- SKU:
- 681
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- MODEL:
- POWER REED
- UNITS:
- SET
$39.95 -
BOYESEN Racing Reed - Yamaha 679
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 acceleration679R- SKU:
- 679R
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- FIBERGLASS
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
BOYESEN Racing Reeds - KTM50 678
BOYESEN
$34.95Laboratory 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 acceleration678X- SKU:
- 678X
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- POWER REED
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$34.95 -
BOYESEN Racing Reed - Honda 664
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 acceleration664- SKU:
- 664
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MODEL:
- POWER REED
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$39.95 -
BOYESEN Racing Reed - Husqvarna 662
BOYESEN
$48.95Laboratory 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 acceleration662- SKU:
- 662
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- FIBERGLASS
- MODEL:
- POWER REED
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
$48.95
