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
-
On Sale
BOYESEN Pro Series Reed - RM250 PSR-89
BOYESEN
MSRP: $64.95Now: $42.00Was: $64.95Reed valves are the heartbeat of two-stroke performance, and the Boyesen Pro Series delivers the fastest throttle response and peak power available. If you're running an RM250 and want measurable...PRO89- SKU:
- PRO89
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
MSRP: $64.95Now: $42.00Was: $64.95 -
BOYESEN Pro Series Reed - KX60 '83-'04 PRO73
BOYESEN
$52.95Boyesen Pro Series reeds give you the throttle response and acceleration that separates competitive riders from the rest of the field. The dual-stage carbon fiber and fiberglass construction delivers...PRO73- SKU:
- PRO73
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
BOYESEN Pro Series Reed - KX250 PRO72
BOYESEN
$62.95Stock reeds limit your KX250's potential, causing hesitation during throttle transitions and leaving horsepower on the table. The Boyesen Pro Series Reed delivers crisp, immediate response to piston...PRO72- SKU:
- PRO72
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
$62.95 -
BOYESEN Pro Series Reed - Yamaha PRO64
BOYESEN
$62.95If you're running a two-stroke engine that demands instant throttle response and peak power delivery, reed quality directly impacts your acceleration and overall performance. The Boyesen Pro Series...PRO64- SKU:
- PRO64
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
$62.95 -
BOYESEN Pro Series Reeds - RM80 PRO-61
BOYESEN
$57.95Reed quality directly impacts throttle response, acceleration, and peak horsepower in two-stroke engines. The Boyesen Pro Series addresses the fundamental problem with traditional carbon fiber reeds:...PRO61- SKU:
- PRO61
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
$57.95Qty in Cart: 0Quantity:Price:$57.95Subtotal: -
BOYESEN Pro Series Reeds - CR80 PRO-60
BOYESEN
$57.95If you're running a CR80 and want measurable gains in throttle response and acceleration, the BOYESEN Pro Series Reeds deliver the quick spool-up and power band consistency that separates competitive...PRO60- SKU:
- PRO60
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
$57.95Qty in Cart: 0Quantity:Price:$57.95Subtotal: -
BOYESEN Pro Series Reeds - KX80 PRO-59
BOYESEN
$57.95If you're serious about maximizing your KX80's acceleration and throttle responsiveness, reed quality directly impacts how quickly your engine responds to input. The BOYESEN Pro Series Reeds use a...PRO59- SKU:
- PRO59
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$57.95Qty in Cart: 0Quantity:Price:$57.95Subtotal: -
BOYESEN Pro Series Reeds - YZ80 PRO-58
BOYESEN
$57.95If you're running a YZ80 and want measurable gains in throttle response and acceleration, reed quality directly impacts your engine's ability to breathe. The BOYESEN Pro Series Reeds use a precision...PRO58- SKU:
- PRO58
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
$57.95 -
BOYESEN Pro Series Reed - CR500 PRO-56
BOYESEN
$69.95If you're running a CR500 at the edge of performance, your reed valve assembly directly impacts how quickly your engine responds to throttle input and how much power you're actually making. The...PRO56- SKU:
- PRO56
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- YELLOW
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
$69.95 -
BOYESEN Pro Series Reed for RAD-14XA PSR-54
BOYESEN
$64.95If you're running a RAD-14XA PSR-54 and want measurable gains in throttle response and acceleration, the Boyesen Pro Series Reed delivers where it matters—on the track. The dual-stage carbon fiber...PRO54- SKU:
- PRO54
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
BOYESEN Pro Series Reed - YZ125 PRO-53
BOYESEN
$62.95Reed valve performance directly impacts throttle response and peak power delivery on high-revving two-stroke engines. The Boyesen Pro Series Reed uses a dual-stage carbon fiber and fiberglass...PRO53- SKU:
- PRO53
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
$62.95 -
BOYESEN Pro Series Reed - KX125 PRO-52
BOYESEN
$62.95If you're running a KX125 and want to unlock quicker throttle response with measurable gains in acceleration, the Boyesen Pro Series Reed is engineered to deliver. The dual-stage design responds...PRO52- SKU:
- PRO52
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
BOYESEN Pro Series Reed for RAD13 PSR-50
BOYESEN
$66.95If you're serious about maximizing low-end response and acceleration on your RAD13, reed design matters—a lot. The Boyesen Pro Series Reed leverages carbon fiber construction with a dual-stage design...PRO50- SKU:
- PRO50
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
$66.95Qty in Cart: 0Quantity:Price:$66.95Subtotal: -
BOYESEN Pro Series Reed - YZ125 PRO-49
BOYESEN
$62.95Stock reeds can't keep pace with your engine's demand for air, especially during aggressive throttle transitions. The Boyesen Pro Series Reed delivers instantaneous response to piston speed changes,...PRO49- SKU:
- PRO49
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
$62.95 -
BOYESEN Pro Series Reed - KX500 PRO-45
BOYESEN
$69.95If you're running a KX500, your reed valve design directly controls how quickly your engine responds to throttle input and how much power you can extract at peak RPM. The Boyesen Pro Series Reed...PRO45- SKU:
- PRO45
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- UNITS:
- SET
$69.95 -
BOYESEN Pro Series Reed - CR125 PRO-43
BOYESEN
$62.95If you're chasing faster acceleration and sharper throttle response on your CR125, reed quality directly impacts your power delivery. The Boyesen Pro Series Reed uses a proven dual-stage design that...PRO43- SKU:
- PRO43
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DUAL STAGE
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
BOYESEN Pro Series Reed for RAD30B PSR-173
BOYESEN
$56.95Your engine's throttle response and acceleration depend entirely on reed valve performance, and the BOYESEN Pro Series Reed delivers the quick, precise action that separates competitive machines from...PRO173- SKU:
- PRO173
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$56.95Qty in Cart: 0Quantity:Price:$56.95Subtotal: -
BOYESEN Pro Series Reed for RAD24I PSR-172
BOYESEN
$69.95If you're serious about extracting maximum performance from your two-stroke engine, reed valve quality directly impacts throttle response, acceleration, and horsepower delivery. The Boyesen Pro...PRO172- SKU:
- PRO172
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- RIDING STYLE:
- OFF-ROAD
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
BOYESEN Pro Series Reed for RAD12G PSR-169
BOYESEN
$69.95The Boyesen Pro Series Reed delivers the throttle responsiveness and power gains you need to stay competitive on the track. By combining carbon fiber's lightweight performance with dual-stage reed...PRO169- SKU:
- PRO169
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
BOYESEN Pro Series Reed - YZ85 '02-'16 PRO-165
BOYESEN
$57.95The Boyesen Pro Series Reed delivers measurable gains in throttle response and acceleration by adapting instantly to changing piston speeds—critical for competitive riding where split-second power...PRO165- SKU:
- PRO165
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- REED PETAL
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
$57.95Qty in Cart: 0Quantity:Price:$57.95Subtotal:
