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 Radiator Valve - KX125 '04-'05 RAD-11K
BOYESEN
$179.95If you're running a KX125 and want noticeable gains in throttle response and mid-range torque, a Boyesen Radiator Valve is one of the most direct bolt-on upgrades available. This valve optimizes...10080030- SKU:
- 10080030
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Radiator Valve - KX85/100 RM100 RAD-10E
BOYESEN
$169.95If you're running a KX85/100 or RM100, intake efficiency directly impacts throttle response and peak horsepower. The BOYESEN Radiator Valve optimizes charge distribution across intake ports while...10080029- SKU:
- 10080029
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
BOYESEN Radiator Valve - CR250 '04 RAD-02H
BOYESEN
$179.95If you're running a CR250 and want immediate throttle response without sacrificing low-end torque, the Boyesen Radiator Valve is the bolt-on upgrade that delivers. By maintaining flow velocity...10080028- SKU:
- 10080028
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- DUAL STAGE
- MATERIAL:
- ALUMINUM
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED CAGE ASSEMBLY
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Radiator Valve - CR125 '04 RAD-01I
BOYESEN
$179.95If you're running a CR125 and want measurable gains in throttle response and mid-to-top-end horsepower, the Boyesen Radiator Valve is a proven intake modification that actually delivers. By...10080027- SKU:
- 10080027
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- SILVER
- MODEL:
- RAD VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- MATERIAL:
- CARBON FIBER
- TYPE:
- DUAL STAGE
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Pro Series Reed for RAD11J PSR-192
BOYESEN
$69.95If you're running a RAD11J and want measurable gains in throttle response and acceleration, the Boyesen Pro Series Reed delivers the responsiveness that separates competitive setups from the rest...10080014- SKU:
- 10080014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- BASE COLOR:
- YELLOW
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$69.95 -
BOYESEN Pro Series Reed for RAD10E PSR-213
BOYESEN
$56.95Reed valve performance directly impacts throttle response and peak power output on two-stroke engines—a sluggish reed setup costs you acceleration and consistency on the track. The BOYESEN Pro Series...10080013- SKU:
- 10080013
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REPLACEMENT REED FOR RAD10E
- TYPE:
- DUAL STAGE
- UNITS:
- SET
$56.95 -
BOYESEN Pro Series Reed for RAD02H PSR-201
BOYESEN
$69.95Reed valve performance directly impacts throttle response and acceleration—choose the wrong reed and you'll feel lag in the powerband. The BOYESEN Pro Series Reed delivers the responsiveness you need...10080012- SKU:
- 10080012
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- UNITS:
- SET
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
BOYESEN Pro Series Reed for RAD02G PSR-183
BOYESEN
$69.95If you're chasing faster throttle response and maximum acceleration on your RAD02G, reed quality directly impacts how quickly your engine responds to input. The Boyesen Pro Series Reed delivers...10080011- SKU:
- 10080011
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- PRO SERIES
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
On Sale
BOYESEN Pro Series Reed for RAD01I PSR-199
BOYESEN
MSRP: $69.95Now: $45.00Was: $69.95Reed valve performance directly impacts throttle response and acceleration in 2-stroke engines, and the BOYESEN Pro Series delivers measurable gains through precision engineering. The dual-stage...10080010- SKU:
- 10080010
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
MSRP: $69.95Now: $45.00Was: $69.95Qty in Cart: 0Quantity:Price:MSRP: $69.95Now: $45.00Was: $69.95Subtotal: -
BOYESEN Pro Series Reed for RAD01H PSR-181
BOYESEN
$69.95Throttle response is everything in high-RPM applications, and a sluggish reed valve costs you acceleration and peak power. The Boyesen Pro Series Reed delivers the rapid intake dynamics your engine...10080009- SKU:
- 10080009
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- YELLOW
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- MODEL:
- PRO SERIES
- RIDING STYLE:
- OFF-ROAD
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
BOYESEN Radiator Valve - YZ250 '00-'04 RAD34I
BOYESEN
$179.95If you're running a carbureted two-stroke and leaving power on the table, your intake system is likely the culprit. The BOYESEN Radiator Valve optimizes charge distribution across your cylinder's...10080007- SKU:
- 10080007
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- REED CAGE ASSEMBLY
- TYPE:
- DUAL STAGE
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- MODEL:
- RAD VALVE
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
BOYESEN Pro Series Reed for RAD40 PSR-197
BOYESEN
$55.95A reed valve system is only as good as its ability to respond to your engine's demands—and the BOYESEN Pro Series PSR-197 delivers precision throttle response that translates directly to faster...10080006- SKU:
- 10080006
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- REED PETAL
- TYPE:
- DUAL STAGE
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- MODEL:
- PRO SERIES
$55.95Qty in Cart: 0Quantity:Price:$55.95Subtotal: -
ALL BALLS Fuel Pump Module - KTM/Husqvarna 47-1037
ALL BALLS
$284.65Pump draws less current than OEM pump while maintaining the same flow rate at working pressure, this reduces working temperatures and increases life of the unit., Restore lost performance or...10090131- SKU:
- 10090131
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- PRODUCT NAME:
- FUEL PUMP MODULE
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- UNITS:
- KIT
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- RIDING STYLE:
- OFF-ROAD
$284.65 -
ALL BALLS Fuel Pump Module - KTM/Husqvarna 47-1038
ALL BALLS
$284.65Pump draws less current than OEM pump while maintaining the same flow rate at working pressure, this reduces working temperatures and increases life of the unit., Restore lost performance or...10090132- SKU:
- 10090132
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- FUEL PUMP MODULE
- UNITS:
- KIT
$284.65 -
ALL BALLS Fuel Pump Module - KTM/Husqvarna 47-1039
ALL BALLS
$284.65Pump draws less current than OEM pump while maintaining the same flow rate at working pressure, this reduces working temperatures and increases life of the unit., Restore lost performance or...10090133- SKU:
- 10090133
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- FUEL PUMP MODULE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REPLACEMENT
$284.65 -
ALL BALLS Fuel Pump Module - KTM/Husqvarna 47-1040
ALL BALLS
$284.65Pump draws less current than OEM pump while maintaining the same flow rate at working pressure, this reduces working temperatures and increases life of the unit., Restore lost performance or...10090134- SKU:
- 10090134
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REPLACEMENT
- PRODUCT NAME:
- FUEL PUMP MODULE
- UNITS:
- KIT
$284.65 -
ALL BALLS Fuel Pump Rebuild Kit 47-2036
ALL BALLS
$103.61Includes all necessary pump, filter, hose(s), clamp(s) and wiring harness as necessary per model, Economical solution for restoring lost performance or non-performing fuel pump, Includes all...10090071- SKU:
- 10090071
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FUEL PUMP REBUILD KIT
- RIDING STYLE:
- OFF-ROAD
$103.61 -
On Sale
EBC Pilot Jet EBC224-47.5
EBC
MSRP: $15.76Now: $14.97Was: $15.76Brass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rate, Fit early-style TMS/TMX, TMX36, TMX38 and BSR CV carburetors, High-quality replacements; NOT...10050087- SKU:
- 10050087
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BRASS
- JET TIP DIAMETER METRIC:
- 2.50 MM
- OVERALL LENGTH METRIC:
- 27.80 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- RIDING STYLE:
- UTV
- JET SIZE:
- 47.5
- OVERALL DIAMETER METRIC:
- 5.00 MM
- TYPE:
- PILOT
- UNITS:
- 4 PACK
MSRP: $15.76Now: $14.97Was: $15.76 -
On Sale
EBC Pilot Jet EBC224-52.5
EBC
MSRP: $11.95Now: $11.35Was: $11.95Brass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rate, Fit early-style TMS/TMX, TMX36, TMX38 and BSR CV carburetors, High-quality replacements; NOT...10050089- SKU:
- 10050089
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 52.5
- JET TIP DIAMETER METRIC:
- 2.50 MM
- OVERALL DIAMETER METRIC:
- 5.00 MM
- OVERALL LENGTH METRIC:
- 27.80 MM
- PRODUCT NAME:
- JET
- TYPE:
- PILOT
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
MSRP: $11.95Now: $11.35Was: $11.95Qty in Cart: 0Quantity:Price:MSRP: $11.95Now: $11.35Was: $11.95Subtotal: -
On Sale
EBC VM Series Pilot Jet EBC22/210-10
EBC
MSRP: $13.76Now: $13.07Was: $13.76Brass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rate, Sold to dealers in 4-packs; sold to consumers as each, High-quality replacements; NOT original...10050013- SKU:
- 10050013
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BRASS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- JET TIP DIAMETER METRIC:
- 3.00 MM
- TYPE:
- PILOT
- PRODUCT NAME:
- JET
- COLOR/FINISH:
- BRASS
- HEAD DIAMETER METRIC:
- 4.80 MM
- JET SIZE:
- 10
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 13.50 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
MSRP: $13.76Now: $13.07Was: $13.76
