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
UNI FILTER Air Filter - Yamaha Grizzly/Kodiak NU-3268ST
UNI FILTER
MSRP: $33.95Now: $32.25Was: $33.95Stock air filters restrict airflow and demand frequent replacement—costly downtime you don't need. The UNI FILTER NU-3268ST delivers unrestricted airflow while stopping dirt more effectively than...10113811- SKU:
- 10113811
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $33.95Now: $32.25Was: $33.95 -
PC RACING Pro Seal - CRF450R/RX PC24
PC RACING
$19.95A properly sealed airbox is fundamental to engine performance—air leaks compromise fuel mapping and cost you measurable horsepower. The PC Racing Pro Seal eliminates the mess and guesswork of...10113980- SKU:
- 10113980
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- MODEL:
- PRO-SEAL
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- NEOPRENE
- BASE COLOR:
- BLACK
- TYPE:
- AIR FILTER
$19.95 -
PC RACING Pro Seal - KTM PC53
PC RACING
$19.95A properly sealed airbox prevents unfiltered air from bypassing your filter element, which compromises engine performance and accelerates wear on internal components. The PC Racing Pro Seal...10113629- SKU:
- 10113629
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLACK
- TYPE:
- AIR FILTER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- NEOPRENE
- MODEL:
- PRO-SEAL
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
$19.95 -
Pro Filter Air Filter for Yamaha YZ450F 2010-2013 MTX-2010-00
PRO FILTER
$26.99A clogged or deteriorating air filter kills engine performance and longevity on the track or trail. The Pro Filter Air Filter for Yamaha YZ450F delivers consistent, high-flow filtration that keeps...10112705- SKU:
- 10112705
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$26.99 -
Pro Filter Air Filter for Suzuki DR-Z400S 2000-2024 MTX-3403-00
PRO FILTER
$26.99The DR-Z400S demands reliable air filtration to maintain peak engine performance, especially in dusty trail and desert conditions where stock filters struggle. This Pro Filter delivers superior dirt...10112714- SKU:
- 10112714
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$26.99Qty in Cart: 0Quantity:Price:$26.99Subtotal: -
Pro Filter Premium Air Filter for Suzuki RM125 1999-2003 MTX-4001-00
PRO FILTER
$26.99Peak engine performance starts with clean air. The Pro Filter Premium Air Filter for Suzuki RM125 delivers superior filtration without the airflow restriction that chokes stock filters, keeping your...10112715- SKU:
- 10112715
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$26.99 -
Pro Filter Premium Air Filter Suzuki RM85 2002-2023 MTX-4002-00
PRO FILTER
$26.99A clean, unrestricted airflow path is fundamental to peak engine performance on the track or trail. The Pro Filter Premium Air Filter for your RM85 combines efficient multi-stage filtration with...10112717- SKU:
- 10112717
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$26.99 -
On Sale
UNI FILTER Filter - Honda NU-4052ST
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95A quality air filter directly impacts engine efficiency, throttle response, and longevity—especially in high-demand driving conditions. The UNI FILTER NU-4052ST delivers superior airflow without...NU4052ST- SKU:
- NU4052ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ROUND
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Filter - Honda CR60/80R NU-4064ST
UNI FILTER
MSRP: $32.95Now: $31.30Was: $32.95Stock air filters restrict airflow and require replacement every season—the UNI FILTER NU-4064ST eliminates both problems. This reusable, two-stage filter delivers superior airflow while trapping...NU4064ST- SKU:
- NU4064ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- ROUND
MSRP: $32.95Now: $31.30Was: $32.95 -
On Sale
UNI FILTER Filter - Honda NU-4103ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95A quality air filter is fundamental to engine performance—it directly impacts horsepower delivery, fuel efficiency, and engine longevity. The UNI FILTER NU-4103ST delivers high-flow filtration...NU4103ST- SKU:
- NU4103ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FILTER SHAPE:
- CYLINDER
- STYLE:
- COMPETITION
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- TYPE:
- STAGE II
- UNITS:
- EACH
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
MSRP: $37.95Now: $36.05Was: $37.95Qty in Cart: 0Quantity:Price:MSRP: $37.95Now: $36.05Was: $37.95Subtotal: -
On Sale
UNI FILTER Air Filter - Honda NU-4148ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95The UNI FILTER Air Filter NU-4148ST delivers measurable airflow improvements while maintaining OEM-level fitment in your Honda's stock airbox. Unlike disposable filters, this reusable design cuts...10113957- SKU:
- 10113957
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- STANDARD
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Air Filter - YZ450/250F/X NU-3270ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95Stock air filters restrict flow and require frequent replacement—the UNI FILTER NU-3270ST eliminates both problems. This two-stage design delivers superior airflow while trapping more dirt, meaning...10114113- SKU:
- 10114113
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- FILTER SHAPE:
- TRAPEZOID
- TYPE:
- MULTI STAGE
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- UNITS:
- EACH
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Air Filter - Sherco NU-3808ST
UNI FILTER
MSRP: $38.95Now: $37.00Was: $38.95A quality air filter is the first line of defense between your engine and contamination—and the UNI FILTER NU-3808ST delivers uncompromised airflow while capturing dirt with proven reliability. Built...10114515- SKU:
- 10114515
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- PANEL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
MSRP: $38.95Now: $37.00Was: $38.95 -
PC RACING Filterskins PC-1386
PC RACING
$15.95Air filter covers protect your intake system from debris while maintaining the airflow your engine demands. The PC Racing Filterskins PC-1386 eliminates the need for complete filter replacements by...PC1386- SKU:
- PC1386
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- WHITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- ATV
- FEATURES:
- WASHABLE
- FILTER HEIGHT METRIC:
- 102.00 MM - 178.00 MM
- PRODUCT NAME:
- FILTER WRAP
- RIDING STYLE:
- UTV
- UNITS:
- 3 PACK
$15.95 -
MOOSE RACING Radiator Brace - KTM - 4-Stroke 11-200
MOOSE RACING
$109.95Radiator damage is expensive, downtime is costly, and a single side impact can end your race day before it starts. The MOOSE RACING Radiator Brace for KTM 4-stroke bikes provides serious protection...19010136- SKU:
- 19010136
- Availability:
- Ships Same Business Day
- Weight:
- 2.54 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- 5052 ALUMINUM
- UNITS:
- SET
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- BRACE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RADIATOR
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
MOOSE RACING Radiator Brace - Yamaha 11-150
MOOSE RACING
$109.95Radiator damage means expensive repairs and downtime you can't afford. The MOOSE RACING Radiator Brace shields your radiator from side impacts and twisting forces that occur during aggressive riding...19010137- SKU:
- 19010137
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- TYPE:
- RADIATOR
- MATERIAL:
- 5052 ALUMINUM
- UNITS:
- SET
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- BRACE
- RIDING STYLE:
- OFF-ROAD
$109.95 -
MOOSE RACING Radiator Brace - Yamaha 11-151
MOOSE RACING
$79.95Radiator damage from side impacts can sideline your bike and drain your wallet fast. This heavy-duty brace transfers collision forces away from your radiator, protecting a critical—and...19010138- SKU:
- 19010138
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- MATERIAL:
- 5052 ALUMINUM
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BRACE
- TYPE:
- RADIATOR
- UNITS:
- SET
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
MOOSE RACING Radiator Brace - Honda 11-161
MOOSE RACING
$109.95Your radiator is one of the most expensive and vulnerable components in your engine bay. A single side impact or hard contact can compromise cooling performance and leave you sidelined. The MOOSE...19010142- SKU:
- 19010142
- Availability:
- Ships Same Business Day
- Weight:
- 2.46 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BRACE
- TYPE:
- RADIATOR
- UNITS:
- SET
- MATERIAL:
- 5052 ALUMINUM
$109.95 -
MOOSE RACING Radiator Brace - Honda 11-162
MOOSE RACING
$109.95Radiator damage from side impacts can sideline your build and drain your budget fast. This MOOSE RACING brace absorbs lateral forces and twisting stress, keeping your cooling system intact through...19010143- SKU:
- 19010143
- Availability:
- Ships Same Business Day
- Weight:
- 2.43 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RADIATOR
- MATERIAL:
- 5052 ALUMINUM
- PRODUCT NAME:
- BRACE
- UNITS:
- SET
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
MOOSE RACING Air Filter 2-60-05
MOOSE RACING
$29.95A quality air filter is your engine's first line of defense against contamination—and the MOOSE RACING 2-60-05 delivers the protection and airflow your build demands. The dual-layer foam design traps...10112986- SKU:
- 10112986
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- WHITE
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
$29.95
