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 - Honda CRF110 NU-4146ST
UNI FILTER
MSRP: $20.95Now: $19.90Was: $20.95A quality air filter is your engine's first line of defense against dirt, dust, and contaminants that rob performance and reduce engine life. The UNI FILTER NU-4146ST delivers superior filtration for...10113321- SKU:
- 10113321
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- RED
- COLOR/FINISH:
- YELLOW
- FILTER SHAPE:
- PANEL
- MODEL:
- OEM
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REPLACEMENT
- BASE COLOR:
- RED
MSRP: $20.95Now: $19.90Was: $20.95 -
On Sale
UNI FILTER Air Filter - KX450/250F NU-2603ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95A quality air filter is foundational to engine health and performance—it's your first line of defense against dirt ingestion while maximizing airflow to the combustion chamber. The UNI FILTER...10113621- SKU:
- 10113621
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- ODD
- FILTER SHAPE:
- ROUND
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- STANDARD
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
MSRP: $37.95Now: $36.05Was: $37.95Qty in Cart: 0Quantity:Price:MSRP: $37.95Now: $36.05Was: $37.95Subtotal: -
On Sale
UNI FILTER Air Filter - Bultaco Persang NU-3204ST
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95A quality air filter is foundational to engine performance—it directly impacts airflow, throttle response, and longevity of your engine internals. The UNI FILTER NU-3204ST delivers superior...10112495- SKU:
- 10112495
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BASE COLOR:
- RED
- MODEL:
- UNI-SEAL
- PRODUCT NAME:
- AIR FILTER
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- TYPE:
- MULTI STAGE
- UNITS:
- EACH
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Air Filter - Can-Am NU-8001ST
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95The UNI FILTER Air Filter for Can-Am delivers superior airflow while maintaining effective dirt filtration—a combination that directly improves engine responsiveness and fuel efficiency. Unlike...10112498- SKU:
- 10112498
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Air Filter - CZ NU-1801ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95A quality air filter is fundamental to engine performance—restricting airflow costs you horsepower and throttle response. The UNI FILTER NU-1801ST delivers unrestricted flow while maintaining...10112499- SKU:
- 10112499
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FEATURES:
- WASHABLE
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER FOR EUROPEAN MODELS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- UNITS:
- EACH
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- STANDARD
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- CYLINDER
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Air Filter - Honda CT90/110 NU-4016
UNI FILTER
MSRP: $21.95Now: $20.85Was: $21.95Stock air filters restrict airflow and demand frequent replacement—a constant drain on performance and your wallet. The UNI FILTER NU-4016 delivers superior filtration and airflow for your Honda...10112500- SKU:
- 10112500
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLUE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- CYLINDER
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STYLE:
- STANDARD
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- TYPE:
- STAGE II
MSRP: $21.95Now: $20.85Was: $21.95 -
On Sale
UNI FILTER Air Filter - CR125 '74 NU-4010
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95A quality air filter is fundamental to engine performance—it directly impacts throttle response, fuel efficiency, and engine longevity by preventing abrasive particulates from entering your...10112501- SKU:
- 10112501
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLUE
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- STANDARD
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Air Filter - CR125/250 '75-'78 NU-4025ST
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95Stock air filters restrict airflow and require frequent replacement—a UNI FILTER gives you reusable performance without compromise. The two-stage design maximizes breathing room for your CR125/250...10112503- SKU:
- 10112503
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- STANDARD
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- FILTER SHAPE:
- ODD
- FILTER SHAPE:
- OVAL
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Air Filter - CR125R '79-'80 NU-4044ST
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95Stock air filters restrict flow and require frequent replacement—the UNI FILTER NU-4044ST delivers superior airflow while remaining reusable for years, saving you money and keeping your CR125R...10112504- SKU:
- 10112504
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- TYPE:
- STAGE II
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Air Filter - CR250 '73-'74 NU-4008
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95A high-flow air filter directly impacts engine performance by reducing intake restriction while maintaining superior filtration—critical for maintaining power output and engine longevity on your...10112505- SKU:
- 10112505
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLUE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- CYLINDER
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- STANDARD
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Air Filter - CR250 '78-'80 NU-4035ST
UNI FILTER
MSRP: $29.95Now: $28.45Was: $29.95If you're running a CR250 '78-'80, airflow is everything—and a restrictive stock filter is costing you performance. The UNI FILTER NU-4035ST delivers superior filtration without the horsepower...10112506- SKU:
- 10112506
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- ODD
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- STANDARD
- BASE COLOR:
- RED
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- CYLINDER
MSRP: $29.95Now: $28.45Was: $29.95 -
On Sale
UNI FILTER Air Filter - Husqvarna NU-1001ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95The UNI FILTER Air Filter for Husqvarna delivers superior airflow without compromising filtration—a critical combination for maintaining peak engine performance and reliability. Unlike disposable...10112507- SKU:
- 10112507
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- STYLE:
- STANDARD
- TYPE:
- STAGE II
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- CYLINDER
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Air Filter - Husqvarna NU-1002ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95Stock air filters sacrifice longevity for convenience—but the UNI FILTER NU-1002ST breaks that tradeoff by delivering reusable performance without compromise. Its two-stage design maximizes airflow...10112508- SKU:
- 10112508
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- TYPE:
- MULTI STAGE
- BASE COLOR:
- RED
- FILTER SHAPE:
- CYLINDER
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
MSRP: $37.95Now: $36.05Was: $37.95Qty in Cart: 0Quantity:Price:MSRP: $37.95Now: $36.05Was: $37.95Subtotal: -
On Sale
UNI FILTER Air Filter - Husqvarna '79-'82 NU-1003ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95Stock air filters restrict airflow and require frequent replacement—a constant drain on performance and your wallet. The UNI FILTER NU-1003ST delivers superior filtration without compromise, allowing...10112509- SKU:
- 10112509
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- STANDARD
- TYPE:
- STAGE II
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Air Filter - Maico '80-'81 NU-1202ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95The UNI FILTER NU-1202ST delivers superior airflow and filtration for your Maico '80-'81, keeping your engine breathing freely while protecting it from contaminants. Unlike disposable filters that...10112512- SKU:
- 10112512
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- RECTANGULAR
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- FILTER MEDIA STYLE:
- DUAL-LAYER
- TYPE:
- MULTI STAGE
- BASE COLOR:
- RED
- FILTER SHAPE:
- ELONGATED
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- UNI-SEAL
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Air Filter - Penton 125/175 NU-1401ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95Stock air filters restrict airflow and require frequent replacement, compromising engine efficiency and increasing maintenance costs. The UNI FILTER NU-1401ST delivers superior filtration and airflow...10112513- SKU:
- 10112513
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- STYLE:
- STANDARD
- FILTER SHAPE:
- OVAL
- BASE COLOR:
- RED
- FILTER SHAPE:
- ELONGATED
- PRODUCT NAME:
- AIR FILTER FOR PENTON 125/175 MODELS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- TYPE:
- STAGE II
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Air Filter - Suzuki TM250/400 NU-2408
UNI FILTER
MSRP: $21.95Now: $20.85Was: $21.95The UNI FILTER NU-2408 delivers superior airflow and filtration for your Suzuki TM250/400 without sacrificing engine protection. Unlike disposable filters that require constant replacement, this...10112514- SKU:
- 10112514
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- UNITS:
- EACH
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
- FEATURES:
- WASHABLE
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLUE
- FILTER MEDIA MATERIAL:
- FOAM
- STYLE:
- STANDARD
MSRP: $21.95Now: $20.85Was: $21.95 -
On Sale
UNI FILTER Air Filter - Yamaha YZ80 '78-'80 NU-2239ST
UNI FILTER
MSRP: $33.95Now: $32.25Was: $33.95Stock air filters restrict airflow and require frequent replacement—a reusable UNI filter delivers superior filtration while cutting your long-term costs and maintenance hassles. The two-stage design...10112515- SKU:
- 10112515
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- RED
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
- COLOR/FINISH:
- RED
- FILTER MEDIA STYLE:
- DUAL-LAYER
- UNITS:
- EACH
MSRP: $33.95Now: $32.25Was: $33.95 -
On Sale
UNI FILTER Air Filter - Yamaha YZ80 '81-'82 NU-2249ST
UNI FILTER
MSRP: $31.95Now: $30.35Was: $31.95Stock air filters restrict airflow and require frequent replacement, costing you performance and money over time. The UNI FILTER NU-2249ST delivers superior filtration and airflow for your YZ80 while...10112516- SKU:
- 10112516
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- RED
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- UNI-SEAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
MSRP: $31.95Now: $30.35Was: $31.95 -
On Sale
UNI FILTER Air Filter - Yamaha NU-2237ST
UNI FILTER
MSRP: $31.95Now: $30.35Was: $31.95A quality air filter is fundamental to engine efficiency—it protects your intake while maintaining the airflow your engine demands. The UNI FILTER NU-2237ST delivers superior filtration and airflow...10112519- SKU:
- 10112519
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FEATURES:
- WASHABLE
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- COLOR/FINISH:
- RED
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- STREET
- BASE COLOR:
- RED
- FILTER SHAPE:
- CONE
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
MSRP: $31.95Now: $30.35Was: $31.95
