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
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WINDEROSA Keihin Rebuild Kit - 28mm 451467
WINDEROSA
$44.69WINDEROSA Keihin Rebuild Kit 28mm 451467All parts needed for a complete rebuild of select Keihin carbs, Not for use with constant velocity carburetors, Kits include Viton™ tipped inlet needlePD824467- SKU:
- PD824467
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- CARBURETOR SIZE METRIC:
- 28.00 MM
- UNITS:
- KIT
- RIDING STYLE:
- WATERCRAFT
$44.69 -
WINDEROSA Keihin Rebuild Kit - 38-44mm 451468
WINDEROSA
$59.44WINDEROSA Keihin Rebuild Kit 38-44mm 451468All parts needed for a complete rebuild of select Keihin carbs, Not for use with constant velocity carburetors, Kits include Viton™ tipped inlet needlePD824468- SKU:
- PD824468
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- KIT
- CARBURETOR SIZE METRIC:
- 38.00 MM - 44.00 MM
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- CARBURETOR
$59.44 -
TRAIL TECH Radiator Fan Kit - HUS 732-FN1
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit HUS 732-FN1Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching solutions,...19010516- SKU:
- 19010516
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- COOLING FAN
- TYPE:
- DIGITAL
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT RADIATOR GUARDS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- FLOW RATE:
- 147 CFM
- UNITS:
- KIT
$219.95 -
TRAIL TECH Radiator Fan Kit - KTM 732-FN4
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit KTM 732-FN4Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching solutions,...19010517- SKU:
- 19010517
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COOLING FAN
- FLOW RATE:
- 147 CFM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT RADIATOR GUARDS
- TYPE:
- DIGITAL
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
TRAIL TECH Radiator Fan Kit - Honda 732-FN6
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit Honda 732-FN6Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching solutions,...19010518- SKU:
- 19010518
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- COLOR/FINISH:
- BLACK
- FLOW RATE:
- 147 CFM
- PRODUCT NAME:
- COOLING FAN
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT RADIATOR GUARDS
- TYPE:
- DIGITAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
TRAIL TECH Radiator Fan Kit - HUS 732-FN8
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit HUS 732-FN8Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching solutions,...19010519- SKU:
- 19010519
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- BLACK
- FLOW RATE:
- 147 CFM
- PRODUCT NAME:
- COOLING FAN
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT RADIATOR GUARDS
- TYPE:
- DIGITAL
$219.95 -
TRAIL TECH Radiator Fan Kit - Yamaha 732-FN11
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit Yamaha 732-FN11Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching solutions,...19010536- SKU:
- 19010536
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- FLOW RATE:
- 147 CFM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- COOLING FAN
- TYPE:
- DIGITAL
- COLOR/FINISH:
- BLACK
- FEATURES:
- WITHOUT RADIATOR GUARDS
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
TRAIL TECH Radiator Fan Kit - Yamaha 732-FN9
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit Yamaha 732-FN9Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching solutions,...19010537- SKU:
- 19010537
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- BLACK
- FLOW RATE:
- 147 CFM
- PRODUCT NAME:
- COOLING FAN
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT RADIATOR GUARDS
- TYPE:
- DIGITAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$219.95 -
TRAIL TECH Radiator Fan Kit - Universal 732-FNA1
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit Universal 732-FNA1Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching...19010538- SKU:
- 19010538
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- COLOR/FINISH:
- BLACK
- FLOW RATE:
- 147 CFM
- PRODUCT NAME:
- COOLING FAN
- TYPE:
- UNIVERSAL
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
- TYPE:
- DIGITAL
- FEATURES:
- WITHOUT RADIATOR GUARDS
$219.95 -
TRAIL TECH Radiator Guard - Black 0150-RB02
TRAIL TECH
$179.95TRAIL TECH Radiator Guard Black 0150-RB02Integrated spigot protector guards lower radiator spigot from being damaged from sticks, rocks and crash damage, Quick release/breakaway shroud clip retention, Unobstructed front air flow to enhance cooling...19010551- SKU:
- 19010551
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- RADIATOR GUARD
- UNITS:
- SET
- BASE COLOR:
- BLACK
$179.95 -
TRAIL TECH Radiator Fan Kit - KTM 732-FN3
TRAIL TECH
$219.95TRAIL TECH Radiator Fan Kit KTM 732-FN3Electronic temperature sensor automatically activates the fan, keeping your engine in its optimum temperature range, Programmable set-point fan switch, Improved reliability over mechanical switching solutions,...19010612- SKU:
- 19010612
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- FLOW RATE:
- 147 CFM
- PRODUCT NAME:
- COOLING FAN
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- DIGITAL
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- BLACK
- FEATURES:
- WITHOUT RADIATOR GUARDS
$219.95 -
TRAIL TECH Radiator Guard - Black 0151-RB02
TRAIL TECH
$179.95TRAIL TECH Radiator Guard Black 0151-RB02Integrated spigot protector guards lower radiator spigot from being damaged from sticks, rocks and crash damage, Quick release/breakaway shroud clip retention, Unobstructed front air flow to enhance cooling...19010613- SKU:
- 19010613
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- RADIATOR GUARD
- BASE COLOR:
- BLACK
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$179.95 -
WINDEROSA Super BNI Series Carburetor Repair Kit 451469
WINDEROSA
$49.19WINDEROSA Super BNI Series Carburetor Repair Kit 451469Fits either 38 or 44/46mm Super BN and High Performance Super BN with four-screw pump covers, and Super BNI 46mm carbs, All parts needed for complete rebuild (except needle valve)10030059- SKU:
- 10030059
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- TYPE:
- CARBURETOR
- MODEL:
- SUPER BNI
$49.19Qty in Cart: 0Quantity:Price:$49.19Subtotal: -
WINDEROSA Mikuni Pump Kit DF44 451449
WINDEROSA
$5.95WINDEROSA Mikuni Pump Kit DF44 451449All the gaskets needed to rebuild old or leaking pumps449X- SKU:
- 449X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- FUEL PUMP
- SHAPE:
- RECTANGULAR
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- SNOW
$5.95 -
WINDEROSA Gasket Kit Fuel Pump Round 451453
WINDEROSA
$6.92WINDEROSA Gasket Kit Fuel Pump Round 451453Mikuni DF 52 w/ PTFE pumps451453- SKU:
- 451453
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- SNOW
- SHAPE:
- ROUND
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- FUEL PUMP
- UNITS:
- KIT
$6.92 -
WINDEROSA Square Fuel Pump Gasket Kit 451454
WINDEROSA
$7.31WINDEROSA Square Fuel Pump Gasket Kit 451454All the gaskets needed to rebuild old or leaking pumps451454- SKU:
- 451454
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- SHAPE:
- SQUARE
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- FUEL PUMP
- UNITS:
- KIT
$7.31 -
WINDEROSA Super G & Super D Kit - Mikuni "Harley-Davidson" 462140
WINDEROSA
$21.39WINDEROSA Super G & Super D Kit Mikuni "Harley-Davidson" 462140Kit available for BN 38mm and 44mm old-style/round body diaphragm- and gasket-type HD carbs, Also fits Kawasaki Jet Ski with 440 engine462140- SKU:
- 462140
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
- MODEL:
- HD
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- SNOW
- TYPE:
- CARBURETOR
$21.39 -
WINDEROSA Full Top End Set 710032
WINDEROSA
$36.97Winderosa High-Performance Gasket Kit Crafted from advanced materials for superior reliability and performance. Compatible with a variety of engines including Sachs, JLO, Hirth, CCW, Kohler, and Xenoah. Exact OEM gasket replacements ensure a...710032- SKU:
- 710032
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$36.97 -
WINDEROSA Full Top End Set 710058
WINDEROSA
$32.02Winderosa's wide range of high-tech materials provide unmatched reliability and performance for the demanding needs of today's power plants, Fit most current and many non-current engines, including Sachs, JLO, Hirth, CCW, Kohler and Xenoah, Designed to...710058- SKU:
- 710058
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$32.02 -
WINDEROSA Full Top End Set 710061
WINDEROSA
$36.97Winderosa's wide range of high-tech materials provide unmatched reliability and performance for the demanding needs of today's power plants, Fit most current and many non-current engines, including Sachs, JLO, Hirth, CCW, Kohler and Xenoah, Designed to...710061- SKU:
- 710061
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$36.97
