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
Hiflofiltro Air Filter Kymco 125 Movie XL 2001-2005 HFA5002
HIFLOFILTRO
MSRP: $11.95Now: $8.00Was: $11.95A clogged or deteriorated air filter starves your Kymco 125 Movie XL of clean intake air, forcing the engine to work harder and reducing throttle response. The Hiflofiltro HFA5002 is a direct-fit replacement that restores optimal airflow without...10112332- SKU:
- 10112332
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- FEATURES:
- DISPOSABLE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $11.95Now: $8.00Was: $11.95 -
Hiflofiltro Air Filter Suzuki RMX450Z 2010-2013 HFF3021
HIFLOFILTRO
$23.60A restrictive or clogged air filter directly reduces engine output and throttle response on your RMX450Z. The Hiflofiltro HFF3021 delivers consistent airflow across varied terrain while maintaining effective filtration, keeping your engine breathing...10112333- SKU:
- 10112333
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- COLOR/FINISH:
- WHITE
- TYPE:
- DUAL-STAGE
- UNITS:
- EACH
- COLOR/FINISH:
- GREEN
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- BASE COLOR:
- WHITE
- FILTER SHAPE:
- OVAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
$23.60 -
MOOSE RACING Carburetor Repair Kit - Kawasaki 26-1108
MOOSE RACING
$60.55A carburetor that's worn, leaking, or running rich wastes fuel and compromises throttle response—issues that compound quickly on the track or trail. This MOOSE RACING Repair Kit gives you everything needed to restore your Kawasaki carburetor to OEM...10030715- SKU:
- 10030715
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- REPAIR KIT
$60.55 -
GATES Low Permeation Fuel Line - 3/16" - 2' 27302
GATES
$6.94Modern fuel systems demand more than basic hose—they require environmental protection without sacrificing performance. GATES' patented Greenshield™ five-layer barrier technology actively prevents fuel permeation while maintaining the fuel delivery...07060176- SKU:
- 07060176
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BASE COLOR:
- GREEN
- COLOR/FINISH:
- BLACK
- MODEL:
- BARRICADE
- PRODUCT NAME:
- FUEL LINE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- INSIDE DIAMETER IMPERIAL:
- 3/16'
- INSIDE DIAMETER METRIC:
- 4.8 MM
- LENGTH IMPERIAL:
- 24'
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- LOW PERMEATION
- APPLICATION:
- CARBURETED
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- GREEN
- LENGTH METRIC:
- 61 CM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$6.94Qty in Cart: 0Quantity:Price:$6.94Subtotal: -
Twin Air Radiator Sleeve for Yamaha YZ250F 2014-2018 YZ450F 2014-2017 177759SL20
TWIN AIR
$52.95Radiator clogs are a race-ender. Mud, sand, and debris accumulate in your cooling fins under demanding trail conditions, forcing your YZ to run hot and lose power when you need it most. The Twin Air Radiator Sleeve eliminates this problem by creating a...19040096- SKU:
- 19040096
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SLEEVE
- UNITS:
- EACH
- TYPE:
- RADIATOR
- MATERIAL:
- NYLON-COATED GLASS YARN
- RIDING STYLE:
- OFF-ROAD
$52.95 -
Twin Air Air Filter Dust Cover for Yamaha YZ65 2018-2024 152020DC
TWIN AIR
$22.95Dirt and debris are your YZ65's enemies—they clog your air filter and force your engine to work harder, killing both performance and reliability. The Twin Air Dust Cover is a pre-oiled coarse foam pre-filter that mounts directly over your existing...10114415- SKU:
- 10114415
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- BASE COLOR:
- WHITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- DUST COVER
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
Twin Air Pre-Oiled Backfire Air Filter for Honda CRF250R 2018-2019 CRF450R 2017-2020 150229FRX
TWIN AIR
$45.95If you're running a CRF250R or CRF450R at the track or trail, your stock air filter is costing you power and leaving your engine vulnerable to contamination. The Twin Air Pre-Oiled Backfire Air Filter delivers measurable airflow improvements while...10114401- SKU:
- 10114401
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- GREEN
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ODD
- TYPE:
- REPLACEMENT
- COLOR/FINISH:
- GREEN
- MODEL:
- POWERFLOW
- PRODUCT NAME:
- PRE-OILED AIR FILTER
- UNITS:
- EACH
$45.95 -
Twin Air PowerFlow Kit Honda CRF250R 2020 150229C
TWIN AIR
$184.95Stock air filtration limits your CRF250R's breathing potential and throttle response on the track. The Twin Air PowerFlow Kit replaces restrictive OEM components with a precision dual-stage filter and billet aluminum construction, delivering measurable...10114371- SKU:
- 10114371
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BASE COLOR:
- GREEN
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- OVAL
- UNITS:
- KIT
- MODEL:
- POWERFLOW
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA MATERIAL:
- FOAM
$184.95 -
Twin Air Air Filter Dust Cover Honda CR125R CR250R CR500R 1982-1985 150100DC
TWIN AIR
$22.95Dusty trails and high-RPM riding demand reliable air filtration—factory filters alone won't cut it in severe conditions. The Twin Air Dust Cover adds a critical first line of defense, trapping oversized particles before they reach your main filter and...10114540- SKU:
- 10114540
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- DUST COVER
- BASE COLOR:
- OFF-WHITE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
Twin Air Air Filter Dust Cover for 2003-2009 2012-2017 2019 Honda CRF150F CRF230F 150211DC
TWIN AIR
$22.95Dust and debris are the silent killers of air filter efficiency, reducing flow and forcing your engine to work harder in challenging conditions. The Twin Air Air Filter Dust Cover acts as a coarse foam pre-filter, trapping larger particles before they...10114543- SKU:
- 10114543
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- OFF-WHITE
- PRODUCT NAME:
- DUST COVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
- UNITS:
- EACH
$22.95 -
Twin Air Air Filter Dust Cover for Yamaha WR250F 2015-2018 YZ250F 2014-2018 YZ450F 2014-2017 WR450F 2016-2018 YZ450FX 2017-2018 152219DC
TWIN AIR
$22.95Dust and debris are the silent killers of engine efficiency—especially when you're pushing your Yamaha hard in off-road conditions. The Twin Air Air Filter Dust Cover adds a protective pre-filtration layer that captures larger particles before they reach...10114544- SKU:
- 10114544
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- OFF-WHITE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
- UNITS:
- EACH
- PRODUCT NAME:
- DUST COVER
$22.95 -
Twin Air Pre-Oiled Air Filter KTM 50 SX 1997-2004 154004X
TWIN AIR
$21.95A properly sealed air filtration system is critical to protecting your KTM 50 SX engine from abrasive dirt and sand while maintaining the peak airflow your carb demands. Twin Air's pre-oiled dual-foam design traps fine particles without creating...10114546- SKU:
- 10114546
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- FEATURES:
- PRE-OILED
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- GREEN
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ROUND
- UNITS:
- EACH
$21.95 -
Twin Air Airbox Cover KTM 125-500 2011-2019 160103
TWIN AIR
$42.95Airbox maintenance without risk—that's what the Twin Air Airbox Cover delivers. This protective barrier keeps water, cleaning solvents, and debris out of your carburetor and intake system while you service your airbox, eliminating the downtime and...10140094- SKU:
- 10140094
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- BASE COLOR:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- TYPE:
- AIRBOX
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- PVC
$42.95Qty in Cart: 0Quantity:Price:$42.95Subtotal: -
Twin Air Airbox Cover for Honda CRF250R 2014-2017 CRF450R 2013-2016 160106
TWIN AIR
$41.95Protecting your airbox during maintenance is critical to preventing water ingress and contamination that can compromise engine performance and longevity. The Twin Air Airbox Cover seals your intake system while you service the air filter, eliminating the...10140162- SKU:
- 10140162
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- TYPE:
- AIRBOX
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- PVC
- UNITS:
- EACH
$41.95 -
Twin Air Airbox Cover KTM 125-530 2007-2012 160097
TWIN AIR
$42.95Cleaning your airbox shouldn't mean risking water or solvents in your intake tract. The Twin Air Airbox Cover seals off your engine's air entry while you service the filter chamber, giving you peace of mind during maintenance. Whether you're pressure...10140035- SKU:
- 10140035
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- ORANGE
- MATERIAL:
- PVC
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- AIRBOX
- UNITS:
- EACH
$42.95Qty in Cart: 0Quantity:Price:$42.95Subtotal: -
Twin Air Airbox Cover for Honda CRF450R 2009-2012 160102
TWIN AIR
$41.95Cleaning your CRF450R shouldn't mean risking water intrusion into your airbox. The Twin Air Airbox Cover provides a proven barrier against moisture and contaminants during maintenance, letting you pressure wash with confidence while maintaining the...10140041- SKU:
- 10140041
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- PVC
- PRODUCT NAME:
- COVER
- TYPE:
- AIRBOX
- UNITS:
- EACH
- BASE COLOR:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
$41.95Qty in Cart: 0Quantity:Price:$41.95Subtotal: -
Twin Air Airbox Cover Kawasaki KX250F 2006-2016 KX450F 2006-2015 160084
TWIN AIR
$41.95Protecting your intake system during maintenance is non-negotiable if you want to keep your KX engine running at peak performance. The Twin Air Airbox Cover seals your airbox completely during cleaning, eliminating the risk of water and contaminants...10140029- SKU:
- 10140029
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- BASE COLOR:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- TYPE:
- AIRBOX
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- PVC
$41.95Qty in Cart: 0Quantity:Price:$41.95Subtotal: -
Twin Air Radiator Sleeve KTM Husqvarna 2007-2016 177759SL40
TWIN AIR
$52.95Radiator debris screens are essential for off-road performance—they prevent dirt, sand, and mud from clogging your cooling fins, which directly reduces engine temperature and extends your radiator's service life. The Twin Air Radiator Sleeve uses a...19040099- SKU:
- 19040099
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- NYLON-COATED GLASS YARN
- PRODUCT NAME:
- SLEEVE
- TYPE:
- RADIATOR
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
Twin Air Radiator Sleeve for Honda CRF450L 2019-2024 CRF450X 2019-2024 CRF450RL 2021-2024 177759SL08
TWIN AIR
$52.95Radiator louvers clogged with mud and debris kill cooling efficiency and force your engine to work harder—a direct threat to reliability on the trail. The Twin Air Radiator Sleeve prevents this by intercepting dirt before it reaches your radiator fins,...19040199- SKU:
- 19040199
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- NYLON-COATED GLASS YARN
- PRODUCT NAME:
- SLEEVE
- UNITS:
- EACH
- TYPE:
- RADIATOR
$52.95 -
Twin Air Airbox Cover Yamaha YZ65 2018-2025 160119
TWIN AIR
$47.95Cleaning your YZ65's airbox shouldn't mean risking water damage to your intake system. The Twin Air Airbox Cover provides a watertight barrier that lets you pressure wash with confidence, protecting your engine's critical components while maintaining...10114195- SKU:
- 10114195
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIRBOX
- MATERIAL:
- PVC
- BASE COLOR:
- ORANGE
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$47.95
