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 Filter - Suzuki NU-2433ST
UNI FILTER
MSRP: $34.95Now: $33.20Was: $34.95Stock air filters compromise airflow and require frequent replacement—a costly cycle that impacts both performance and your bottom line. The UNI FILTER NU-2433ST delivers superior filtration without...NU2433ST- SKU:
- NU2433ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- BASE COLOR:
- RED
- FILTER SHAPE:
- CYLINDER
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $34.95Now: $33.20Was: $34.95 -
On Sale
UNI FILTER Filter - RM250/465/500 NU-2434ST
UNI FILTER
MSRP: $28.95Now: $27.50Was: $28.95A quality air filter is fundamental to engine performance—it directly impacts horsepower delivery, throttle response, and longevity. The UNI FILTER RM250/465/500 delivers superior airflow while...NU2434ST- SKU:
- NU2434ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- BLACK
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- TRAPEZOID
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER SHAPE:
- PANEL
MSRP: $28.95Now: $27.50Was: $28.95Qty in Cart: 0Quantity:Price:MSRP: $28.95Now: $27.50Was: $28.95Subtotal: -
On Sale
UNI FILTER Air Filter - Suzuki NU-2455ST
UNI FILTER
MSRP: $33.95Now: $32.25Was: $33.95Stock air filters restrict airflow and require constant replacement—a cycle that costs time and money. The UNI FILTER NU-2455ST eliminates this inefficiency with a cleanable, reusable design that...NU2455ST- SKU:
- NU2455ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- RED
- FILTER SHAPE:
- TAPERED
- FILTER SHAPE:
- CYLINDER
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
MSRP: $33.95Now: $32.25Was: $33.95 -
On Sale
UNI FILTER Fitler - RM/RMX '90-'92 NU-2467ST
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95The UNI FILTER RM/RMX '90-'92 delivers superior airflow without sacrificing filtration, keeping your engine breathing clean while maintaining OEM compatibility. Unlike disposable filters that force...NU2467ST- SKU:
- NU2467ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- COMPETITION
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- TYPE:
- STAGE II
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Filter - DR250/350 NU-2468ST
UNI FILTER
MSRP: $33.95Now: $32.25Was: $33.95A quality air filter is fundamental to engine performance—it directly impacts airflow, throttle response, and fuel efficiency. The UNI FILTER DR250/350 NU-2468ST delivers superior filtration without...NU2468ST- SKU:
- NU2468ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- RED
- FILTER SHAPE:
- OVAL
- FILTER SHAPE:
- RECTANGULAR
- PRODUCT NAME:
- AIR FILTER
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
MSRP: $33.95Now: $32.25Was: $33.95 -
On Sale
UNI FILTER Filter - RM125/250 NU-2474ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95Stock air filters restrict airflow and require replacement after every few rides—UNI filters solve both problems. The two-stage design maximizes flow while capturing dirt more effectively than OEM,...NU2474ST- SKU:
- NU2474ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FILTER SHAPE:
- ROUND
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Filter - Kawasaki/Suzuki NU-2480ST
UNI FILTER
MSRP: $35.95Now: $34.15Was: $35.95The UNI FILTER NU-2480ST delivers measurable airflow gains while maintaining superior filtration for your Kawasaki or Suzuki application. Unlike disposable OEM filters, this reusable design pays for...NU2480ST- SKU:
- NU2480ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ROUND
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- ULTRA-SEAL
MSRP: $35.95Now: $34.15Was: $35.95 -
On Sale
UNI FILTER Filter - Suzuki DRZ250 '01-'07 NU-2482ST
UNI FILTER
MSRP: $37.95Now: $36.05Was: $37.95The UNI FILTER for your Suzuki DRZ250 delivers measurable gains in airflow while maintaining superior filtration—critical for maintaining engine responsiveness and longevity. Unlike disposable...NU2482ST- SKU:
- NU2482ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- UNI-SEAL
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- RECTANGULAR
MSRP: $37.95Now: $36.05Was: $37.95 -
On Sale
UNI FILTER Filter - XR NU-4074ST
UNI FILTER
MSRP: $42.95Now: $40.80Was: $42.95Stock air filters restrict your engine's breathing and require constant replacement—a cycle that wastes money and leaves you vulnerable to performance drops. The UNI FILTER XR NU-4074ST delivers...NU4074ST- SKU:
- NU4074ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- FILTER SHAPE:
- OVAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
MSRP: $42.95Now: $40.80Was: $42.95 -
On Sale
UNI FILTER Filter - XR600R NU-4075ST
UNI FILTER
MSRP: $42.95Now: $40.80Was: $42.95The UNI FILTER NU-4075ST delivers superior airflow and filtration for your XR600R without compromising engine breathing. Unlike disposable filters that choke performance over time, this reusable...NU4075ST- SKU:
- NU4075ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- FILTER SHAPE:
- OVAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
MSRP: $42.95Now: $40.80Was: $42.95Qty in Cart: 0Quantity:Price:MSRP: $42.95Now: $40.80Was: $42.95Subtotal: -
On Sale
UNI FILTER Filter Air - Yamaha TTR50 NU-3257ST
UNI FILTER
MSRP: $12.95Now: $12.30Was: $12.95The UNI FILTER NU-3257ST keeps your Yamaha TTR50 breathing clean air while dramatically reducing maintenance hassles. Unlike disposable filters, this two-stage design is fully reusable—clean it with...10110766- SKU:
- 10110766
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- COLOR/FINISH:
- RED
- FILTER SHAPE:
- PANEL
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- UNITS:
- EACH
MSRP: $12.95Now: $12.30Was: $12.95Qty in Cart: 0Quantity:Price:MSRP: $12.95Now: $12.30Was: $12.95Subtotal: -
On Sale
UNI FILTER Air Filter - RZR 900 XP NU-8516ST
UNI FILTER
MSRP: $79.95Now: $75.95Was: $79.95The UNI FILTER Air Filter for RZR 900 XP delivers measurably higher airflow than OEM alternatives while maintaining effective dirt exclusion—critical for maintaining peak engine performance in...10112887- SKU:
- 10112887
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
MSRP: $79.95Now: $75.95Was: $79.95 -
On Sale
UNI FILTER Air Filter Kit - Black (4) PK-3
UNI FILTER
MSRP: $74.95Now: $71.20Was: $74.95Direct-flow pod filters deliver measurable gains in air intake efficiency and throttle response by eliminating restrictive factory airbox geometry. The UNI FILTER Air Filter Kit enhances both...10112890- SKU:
- 10112890
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
MSRP: $74.95Now: $71.20Was: $74.95 -
On Sale
UNI FILTER Air Filter Kit - Black (4) PK-4
UNI FILTER
MSRP: $74.95Now: $71.20Was: $74.95Upgrading to pod-style air filters delivers measurable gains in intake flow and throttle response while providing the aesthetic upgrade your bike deserves. The UNI FILTER Air Filter Kit eliminates...10112891- SKU:
- 10112891
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
MSRP: $74.95Now: $71.20Was: $74.95 -
On Sale
UNI FILTER Air Filter - CRF125F NU-4147ST
UNI FILTER
MSRP: $33.95Now: $32.25Was: $33.95Stock air filters restrict airflow and require frequent replacement—a real performance killer on a track or trail. The UNI FILTER NU-4147ST delivers unrestricted airflow while trapping more dirt,...10113181- SKU:
- 10113181
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- STYLE:
- STANDARD
MSRP: $33.95Now: $32.25Was: $33.95 -
On Sale
UNI FILTER Air Filter - Honda XR250 NU-4038
UNI FILTER
MSRP: $21.95Now: $20.85Was: $21.95A clean, efficient air filter is fundamental to maintaining peak engine performance and fuel economy on your XR250. The UNI Filter NU-4038 uses an open-cell polyurethane construction that delivers...10113312- SKU:
- 10113312
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- COLOR/FINISH:
- BLACK
- FILTER SHAPE:
- CYLINDER
- MODEL:
- OEM
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REPLACEMENT
- BASE COLOR:
- BLACK
MSRP: $21.95Now: $20.85Was: $21.95 -
On Sale
UNI FILTER Air Filter - Honda XL185S NU-4041
UNI FILTER
MSRP: $21.95Now: $20.85Was: $21.95The UNI FILTER NU-4041 is engineered specifically for the Honda XL185S, delivering the airflow efficiency your engine demands without sacrificing filtration quality. Its open-cell polyurethane...10113316- SKU:
- 10113316
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $21.95Now: $20.85Was: $21.95 -
On Sale
UNI FILTER Air Filter - Beta 250/400 NU-3804ST
UNI FILTER
MSRP: $38.95Now: $37.00Was: $38.95Stock air filters restrict airflow and reduce power output—especially critical on high-revving dirt bikes where every breath matters. The UNI FILTER NU-3804ST delivers maximum airflow without...10113318- SKU:
- 10113318
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- FILTER SHAPE:
- ROUND
- COLOR/FINISH:
- BLACK
- FILTER MEDIA MATERIAL:
- FOAM
- COLOR/FINISH:
- RED
- MODEL:
- OEM
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- UNITS:
- EACH
MSRP: $38.95Now: $37.00Was: $38.95Qty in Cart: 0Quantity:Price:MSRP: $38.95Now: $37.00Was: $38.95Subtotal: -
On Sale
UNI FILTER Air Filter - Beta 350/400 NU-3805ST
UNI FILTER
MSRP: $38.95Now: $37.00Was: $38.95A quality air filter directly impacts engine performance, throttle response, and fuel efficiency—especially in high-demand racing applications where every cubic foot of air matters. The UNI FILTER...10113319- SKU:
- 10113319
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- REPLACEMENT
- UNITS:
- EACH
- MODEL:
- OEM
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
MSRP: $38.95Now: $37.00Was: $38.95 -
On Sale
UNI FILTER Air Filter - Gas Gas NU-3806ST
UNI FILTER
MSRP: $38.95Now: $37.00Was: $38.95A properly functioning air filter is non-negotiable for consistent engine performance and longevity. The UNI FILTER NU-3806ST delivers unrestricted airflow to your Gas Gas while maintaining...10113320- SKU:
- 10113320
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REPLACEMENT
- FILTER SHAPE:
- ROUND
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MODEL:
- OEM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $38.95Now: $37.00Was: $38.95
