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
-
MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1419
MOOSE RACING
$56.51A worn carburetor compromises fuel atomization, throttle response, and engine reliability—especially critical for riders who demand consistent performance on track or trail. This complete MOOSE RACING rebuild kit gives you OEM-quality gaskets, jets, and...10030863- SKU:
- 10030863
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
$56.51 -
MOOSE RACING Carburetor Repair Kit - Yamaha 26-1439
MOOSE RACING
$60.55Carburetor degradation is inevitable with fuel oxidation, varnish buildup, and seal wear—especially in seasonal storage. This MOOSE RACING repair kit supplies OEM-specification gaskets, O-rings, float valves, and jets to restore your Yamaha carburetor to...10030864- SKU:
- 10030864
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$60.55 -
MOOSE RACING Radiator Hose Kit - Green - Kawasaki KAW-62-GR
MOOSE RACING
$111.95Factory radiator hoses degrade under sustained heat cycles, restricting coolant flow and compromising engine thermal management. This MOOSE RACING kit replaces those weak OEM hoses with Samco® Sport silicone construction, delivering superior flow...19021555- SKU:
- 19021555
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- GREEN
- TYPE:
- RADIATOR
- STYLE:
- RACE BIKE DESIGN
- UNITS:
- KIT
- FEATURES:
- WITHOUT CLAMPS
- MATERIAL:
- SILICONE
- PRODUCT NAME:
- HOSE KIT
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Radiator Hose Kit - Blue - Kawasaki KAW-63-BL
MOOSE RACING
$115.95Factory radiator hoses degrade under sustained heat cycles, restricting coolant flow and compromising engine thermal management. This Samco® Sport silicone hose kit restores efficient cooling while adding durability against heat, UV exposure, and debris...19021556- SKU:
- 19021556
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- HOSE KIT
- TYPE:
- RADIATOR
- COLOR/FINISH:
- BLUE
- FEATURES:
- WITHOUT CLAMPS
- MATERIAL:
- SILICONE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- RACE BIKE DESIGN
- UNITS:
- KIT
$115.95Qty in Cart: 0Quantity:Price:$115.95Subtotal: -
MOOSE RACING Radiator Hose Kit - Orange - KTM KTM-13-OR
MOOSE RACING
$192.95Factory radiator hoses degrade under sustained heat cycles, compromising cooling efficiency and risking catastrophic engine failure during competition or high-demand driving. The MOOSE RACING Radiator Hose Kit replaces OEM rubber with premium silicone...19021557- SKU:
- 19021557
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- HOSE KIT
- RIDING STYLE:
- STREET
- STYLE:
- OEM DESIGN
- UNITS:
- KIT
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- SILICONE
- TYPE:
- RADIATOR
$192.95Qty in Cart: 0Quantity:Price:$192.95Subtotal: -
UNI FILTER Filter - Husqvarna NU-1008ST
UNI FILTER
$37.95A quality air filter directly impacts engine performance, fuel efficiency, and longevity—especially under demanding racing or high-flow conditions. The UNI FILTER NU-1008ST delivers exceptional airflow while trapping dirt and contaminants, giving your...NU1008ST- SKU:
- NU1008ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- FILTER SHAPE:
- ROUND
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
UNI FILTER Large Filter - KTM 50 '98 NU-1409ST
UNI FILTER
$23.95Stock air filters restrict airflow and require frequent replacement—a UNI FILTER gives you superior filtration without sacrificing performance or your wallet. The two-stage design maximizes airflow while stopping dirt with precision, and because you can...NU1409ST- SKU:
- NU1409ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BASE COLOR:
- BLACK
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- UNITS:
- EACH
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
$23.95Qty in Cart: 0Quantity:Price:$23.95Subtotal: -
UNI FILTER Filter - KTM NU-1413ST
UNI FILTER
$37.95Stock air filters restrict flow and require frequent replacement—this UNI FILTER delivers superior airflow while remaining reusable for years, cutting your long-term maintenance costs. The two-stage design separates for thorough cleaning and maximum...NU1413ST- SKU:
- NU1413ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- MODEL:
- UNI-SEAL
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$37.95 -
UNI FILTER Filter - XR650R NU-4130ST
UNI FILTER
$47.95Stock air filters restrict flow and require frequent replacement—the UNI Filter NU-4130ST delivers superior airflow while remaining cleanable and reusable for the life of your XR650R. A two-stage design maximizes filtration efficiency without sacrificing...NU4130ST- SKU:
- NU4130ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- PANEL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- UNIQUE
- MODEL:
- ULTRA-SEAL
$47.95 -
UNI FILTER Air Filter - Yamaha NU-2221ST
UNI FILTER
$51.95The UNI FILTER NU-2221ST delivers superior airflow while maintaining exceptional filtration—critical for maximizing engine breathing and performance. Unlike disposable filters, this reusable design pays for itself through multiple service cycles,...10112521- SKU:
- 10112521
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- STREET
- BASE COLOR:
- RED
- TYPE:
- STAGE II
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
$51.95 -
UNI FILTER Filter - KX/KDX NU-2345ST
UNI FILTER
$31.95A quality air filter is fundamental to engine performance—it directly impacts horsepower delivery, throttle response, and engine longevity. The UNI FILTER NU-2345ST delivers superior airflow while maintaining aggressive filtration, allowing your KX/KDX...NU2345ST- SKU:
- NU2345ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- UNITS:
- EACH
- MODEL:
- UNI-SEAL
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER SHAPE:
- TRIANGULAR
- TYPE:
- MULTI STAGE
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
UNI FILTER Filter - RM250 NU-2447ST
UNI FILTER
$37.95A reusable air filter eliminates the recurring cost of disposable filters while delivering superior airflow and filtration efficiency. The UNI FILTER RM250 NU-2447ST is engineered for easy maintenance—simply clean, oil, and reinstall—making it ideal for...NU2447ST- SKU:
- NU2447ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- RED
- FILTER SHAPE:
- OVAL
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- 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 Filter - RM125/250 NU-2456ST
UNI FILTER
$35.95Stock air filters restrict flow and require frequent replacement—a costly cycle that impacts engine performance and your maintenance budget. The UNI FILTER RM125/250 delivers superior airflow while trapping fine dirt particles, keeping your 2-stroke...NU2456ST- SKU:
- NU2456ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- CYLINDER
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- TAPERED
- MODEL:
- ULTRA-SEAL
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
$35.95 -
UNI FILTER Filter - XR200/250 Miscellaneous NU-4073ST
UNI FILTER
$42.95A quality air filter is fundamental to engine performance—it directly impacts airflow efficiency, throttle response, and engine longevity. The UNI FILTER NU-4073ST delivers superior filtration and airflow for your XR200/250, engineered to outperform...NU4073ST- SKU:
- NU4073ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- RECTANGULAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$42.95 -
UNI FILTER Filter - CR125/250 NU-4078ST
UNI FILTER
$37.95The UNI FILTER CR125/250 NU-4078ST delivers superior airflow while maintaining aggressive filtration—exactly what your two-stroke needs to breathe without pulling in abrasive dirt. Built for indefinite reuse with simple maintenance, this two-stage design...NU4078ST- SKU:
- NU4078ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- CYLINDER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- RED
- MODEL:
- UNI-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
UNI FILTER Filter - CRF150/230F NU-4137ST
UNI FILTER
$33.95A quality air filter directly impacts engine performance, throttle response, and longevity—especially on high-demand engines like the CRF150/230F. The UNI Filter NU-4137ST delivers superior airflow while trapping dirt more effectively than OEM filters,...NU4137ST- SKU:
- NU4137ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- UNI-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FILTER SHAPE:
- RECTANGULAR
$33.95 -
UNI FILTER Air Filter - Suzuki DR650 NU-2488ST
UNI FILTER
$35.95The UNI FILTER NU-2488ST delivers superior airflow to your DR650 without sacrificing filtration—meaning better throttle response and engine breathing while keeping dirt out of your combustion chamber. Unlike disposable filters that create mounting waste,...10110765- SKU:
- 10110765
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- BASE COLOR:
- RED
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- TEARDROP
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$35.95 -
UNI FILTER Air Filter - Honda XR200 NU-4058ST
UNI FILTER
$21.95A properly flowing air filter is fundamental to maintaining peak engine performance and longevity on your Honda XR200. The UNI Filter NU-4058ST delivers superior airflow while maintaining aggressive filtration, ensuring your engine gets clean air without...10113317- SKU:
- 10113317
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$21.95 -
UNI FILTER Air Filter - Bultaco Alpina NU-3208
UNI FILTER
$21.95A quality air filter is the first line of defense for your engine's longevity and performance. The UNI FILTER NU-3208 delivers unrestricted airflow while trapping dirt and contaminants, keeping your Bultaco Alpina's fuel mixture clean and combustion...10112497- SKU:
- 10112497
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLUE
- FILTER SHAPE:
- TRAPEZOID
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- UNI-SEAL
- UNITS:
- EACH
$21.95Qty in Cart: 0Quantity:Price:$21.95Subtotal: -
UNI FILTER Air Filter - Honda CR125 '75 NU-4022ST
UNI FILTER
$35.95The UNI FILTER Air Filter for Honda CR125 '75 delivers superior airflow without sacrificing filtration—meaning your engine breathes easier while staying protected from dirt and contaminants. Built for reusability and designed to fit your stock airbox...10112502- SKU:
- 10112502
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- RED
- STYLE:
- STANDARD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- CYLINDER
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
- FILTER MEDIA STYLE:
- DUAL-LAYER
- UNITS:
- EACH
$35.95
