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
-
UNI FILTER Air Filter - Yamaha Grizzly/Kodiak NU-3268ST
UNI FILTER
$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 OEM, and because it's washable and reusable, you'll...10113811- SKU:
- 10113811
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$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 traditional air filter grease by using a neoprene gasket with...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 eliminates messy traditional filter grease with a neoprene...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 your engine breathing cleanly lap after lap, without...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 retention without the airflow restriction that...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 engine breathing freely through every race season. Its...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 minimal restriction, keeping fine dirt and dust out while...10112717- SKU:
- 10112717
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$26.99 -
UNI FILTER Filter - Honda NU-4052ST
UNI FILTER
$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 sacrificing filtration, allowing your engine to breathe...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
$35.95 -
UNI FILTER Filter - Honda CR60/80R NU-4064ST
UNI FILTER
$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 more dirt, giving your CR60/80R the clean air it needs for...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
$32.95 -
UNI FILTER Filter - Honda NU-4103ST
UNI FILTER
$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 without sacrificing dirt-stopping capability, giving you the...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
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
UNI FILTER Air Filter - Honda NU-4148ST
UNI FILTER
$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 operating costs over time while providing superior...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
$37.95 -
UNI FILTER Air Filter - YZ450/250F/X NU-3270ST
UNI FILTER
$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 better throttle response and longer service intervals...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
$37.95 -
UNI FILTER Air Filter - Sherco NU-3808ST
UNI FILTER
$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 for Sherco applications, this two-stage design...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
$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 offering a reusable, serviceable outer layer that traps...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 against the twisting forces and lateral impacts that...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 or track use. Built from heavy-duty 5052 aluminum, this...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 expensive—component that's vulnerable to twisting and impact damage...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 RACING Radiator Brace provides heavy-duty protection...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 aggressive driving, tight cornering, and track incidents...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 everything from coarse particles to fine dust without...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
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal:
