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 Single-Stage Reed - Fiber - YZ125 '01 SSF231
BOYESEN
$34.95Reed valves are critical to two-stroke engine performance, directly controlling intake timing and fuel charge efficiency. The Boyesen SSF231 single-stage fiber reeds deliver consistent performance across the entire RPM band while maintaining OEM-spec...SSF231- SKU:
- SSF231
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- MODEL:
- SUPER STOCK
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - RM250 '03-'08 SSF222
BOYESEN
$34.95Stock reeds limit your RM250's potential across the entire RPM band—restricting throttle response and overall engine efficiency. The BOYESEN Single-Stage Fiber Reed replaces worn or damaged reeds with precision-engineered components that restore optimal...SSF222- SKU:
- SSF222
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$34.95 -
BOYESEN Single-Stage Reed - Fiber - CR250 '02 SSF202
BOYESEN
$42.95Reed valves are critical to your CR250's intake efficiency—worn or stock reeds reduce scavenging performance and limit peak power across the RPM band. BOYESEN's fiber-construction Super Stock Reeds deliver measurable gains in throttle response and...SSF202- SKU:
- SSF202
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$42.95 -
BOYESEN Single-Stage Reed - Fiber - CR125 '03 SSF201
BOYESEN
$34.95Reed valve performance directly impacts your CR125's throttle response, fuel efficiency, and overall engine reliability. The BOYESEN fiber reeds deliver measurable gains in mid-range power while maintaining the durability needed for consistent riding...SSF201- SKU:
- SSF201
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
$34.95 -
BOYESEN Single-Stage Reed - Fiber - KTM 250/300/380 SSF142
BOYESEN
$34.95Stock reeds are often the first component to show wear in high-demand two-stroke engines, causing loss of power and inconsistent throttle response across the RPM band. The Boyesen Single-Stage Fiber Reed delivers precision-matched performance that...SSF142- SKU:
- SSF142
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MATERIAL:
- FIBERGLASS
$34.95 -
BOYESEN Single-Stage Reed - Fiber - KTM 125/250 SSF141
BOYESEN
$34.95Reed valve performance directly impacts your engine's throttle response, low-end torque delivery, and overall reliability across the entire RPM band. The Boyesen SSF141 fiber reeds are engineered to OEM specifications while delivering superior durability...SSF141- SKU:
- SSF141
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- SUPER STOCK
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
$34.95 -
BOYESEN Single-Stage Reed - Fiber - YZ250 '03 SSF132
BOYESEN
$34.95Reed valves are the critical gatekeepers of engine breathing—they control fuel-air mixture flow and directly impact throttle response, peak power, and overall engine efficiency. The BOYESEN Single-Stage Fiber Reed delivers measurable improvements over...SSF132- SKU:
- SSF132
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - YZ125 '02-'20 SSF131
BOYESEN
$34.95Stock reeds limit your YZ125's potential across the power band, restricting airflow and throttle response. The Boyesen fiber reed upgrade delivers measurable gains in mid-range and top-end power while extending component life through superior durability...SSF131- SKU:
- SSF131
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$34.95 -
BOYESEN Single-Stage Reed - Fiber - RM250 '96-'02 SSF122
BOYESEN
$34.95Reed valve condition directly impacts your RM250's throttle response, power delivery, and overall engine efficiency. OEM reeds degrade over time, causing performance loss and inconsistent fuel atomization across the RPM band. The Boyesen SSF122 fiber...SSF122- SKU:
- SSF122
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- SUPER STOCK
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REED PETAL
- MATERIAL:
- FIBERGLASS
- UNITS:
- SET
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - KX250 '98-'03 SSF112
BOYESEN
$34.95Stock reeds degrade with use, robbing your KX250 of responsiveness across the RPM range and compromising reliability when you need it most. The BOYESEN Single-Stage Reed replaces worn reeds with durable fiber construction that maintains consistent power...SSF112- SKU:
- SSF112
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- RIDING STYLE:
- OFF-ROAD
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - KX125 '03 SSF111
BOYESEN
$34.95Reed valves are critical to your KX125's intake efficiency—worn or degraded reeds rob you of throttle response and peak power across the RPM band. The Boyesen SSF111 Fiber Reeds restore proper scavenging and combustion timing with materials engineered to...SSF111- SKU:
- SSF111
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
$34.95 -
BOYESEN Single-Stage Reed - Fiber - KX80/85/100 SSF110
BOYESEN
$24.95Reed petals are among the most stressed components in your Kawasaki's engine, facing thousands of cycles per minute at varying RPM ranges. BOYESEN fiber reeds deliver consistent valve timing and improved scavenging efficiency across the entire powerband,...SSF110- SKU:
- SSF110
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - Honda Mx/ATV SSF102
BOYESEN
$34.95Reed valves are critical to your engine's ability to breathe efficiently across the RPM band, and worn or suboptimal reeds directly compromise throttle response and peak power. The Boyesen SSF102 fiber reeds are engineered to OEM specifications while...SSF102- SKU:
- SSF102
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- SUPER STOCK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- ATV
- UNITS:
- SET
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - CR125 '01-'02 SSF101
BOYESEN
$34.95Reed valves are critical to two-stroke performance, controlling fuel-air mixture flow during each combustion cycle. The BOYESEN Single-Stage Fiber Reed delivers crisp throttle response and consistent power across the RPM band by maintaining precise...SSF101- SKU:
- SSF101
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- MATERIAL:
- FIBERGLASS
- UNITS:
- SET
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - KTM 250/300/360/380 SSF042
BOYESEN
$34.95Reed valve performance directly impacts your engine's ability to breathe efficiently across the entire RPM band. The Boyesen fiber reeds deliver measurable gains in throttle response and mid-range power while outlasting stock components by a significant...SSF042- SKU:
- SSF042
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - YZ250/WR250 SSF032
BOYESEN
$34.95Reed valves are critical to your YZ250/WR250's intake efficiency, and worn or suboptimal reeds directly impact throttle response and peak performance across the RPM band. The Boyesen Single-Stage Fiber Reed delivers OEM-matched geometry with superior...SSF032- SKU:
- SSF032
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - YZ125 '94-'00 SSF031
BOYESEN
$34.95Reed valves are the circulatory system of your two-stroke engine—they control fuel mixture flow and directly impact throttle response, peak power, and low-end grunt. The Boyesen SSF031 fiber reeds are engineered to superior tolerances compared to OEM...SSF031- SKU:
- SSF031
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
- MODEL:
- SUPER STOCK
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - RM/RMX250 SSF022
BOYESEN
$34.95Reed valve performance directly impacts your snowmobile's throttle response, fuel efficiency, and overall engine reliability. Stock reeds degrade with use, causing loss of compression and sluggish acceleration—the Boyesen SSF022 restores full cylinder...SSF022- SKU:
- SSF022
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- SUPER STOCK
- UNITS:
- SET
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- REED PETAL
$34.95 -
BOYESEN Single-Stage Reed - Fiber - RM125 '90-'07 SSF021
BOYESEN
$34.95Reed valves are critical to your RM125's intake dynamics, and OEM reeds often lose responsiveness over time or fail to deliver consistent performance across the entire RPM band. The BOYESEN Single-Stage Fiber Reed delivers reliable power recovery with...SSF021- SKU:
- SSF021
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
BOYESEN Single-Stage Reed - Fiber - RM85 '02-'20 SSF020
BOYESEN
$24.95Stock reeds impose a ceiling on your RM85's potential, limiting throttle response and mid-range power delivery. The Boyesen Single-Stage Fiber Reed replaces worn or restrictive OEM reeds with precision-engineered components that restore snappy intake...SSF020- SKU:
- SSF020
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- FIBERGLASS
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- REED PETAL
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal:
