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
-
PROK Multi-Fit Single Flame Arrestor - Clear 006-585
PROK
$56.58If you're serious about maximizing your carburetor's air intake efficiency, the PROK Multi-Fit Single Flame Arrestor delivers measurable gains in top-end performance through precision engineering. The parabolic cone design accelerates and amplifies air...006585CL- SKU:
- 006585CL
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FEATURES:
- BACKFIRE RESISTANT LAYER
- BASE COLOR:
- SILVER
- FILTER SHAPE:
- ROUND
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MATERIAL:
- STAINLESS MESH
- RIDING STYLE:
- WATERCRAFT
- STYLE:
- CLAMP-ON
- PRODUCT NAME:
- FLAME ARRESTOR
$56.58 -
PROK Multi-Fit Limited Flame Arrestors - Clear 006-589
PROK
$56.58If you're serious about maximizing carbureted intake efficiency, a quality flame arrestor isn't optional—it's essential. The PROK Multi-Fit Limited Flame Arrestor delivers measurable top-end performance gains through its parabolic cone design, which...006589CL- SKU:
- 006589CL
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FEATURES:
- BACKFIRE RESISTANT LAYER
- PRODUCT NAME:
- FLAME ARRESTOR
- BASE COLOR:
- SILVER
- FILTER SHAPE:
- ROUND
- MATERIAL:
- STAINLESS MESH
- COLOR/FINISH:
- SILVER
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
- STYLE:
- CLAMP-ON
$56.58 -
TRAIL TECH Radiator Guard - Orange 0150-RB03
TRAIL TECH
$179.95Off-road riding exposes your radiator to constant threats—flying rocks, fallen branches, and impact damage that can breach your cooling system and strand you miles from help. The TRAIL TECH Radiator Guard protects your lower radiator spigot with a...19010552- SKU:
- 19010552
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- RADIATOR GUARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- BASE COLOR:
- ORANGE
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
TRAIL TECH Radiator Fan Kit - Honda 732-FN13
TRAIL TECH
$219.95Engine thermal management directly impacts performance, reliability, and longevity. A TRAIL TECH electronic fan kit replaces outdated mechanical switches with precision temperature control, ensuring your engine stays in its optimal operating window under...19010806- SKU:
- 19010806
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- FEATURES:
- WITHOUT RADIATOR GUARDS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COOLING FAN
- FLOW RATE:
- 147 CFM
- BASE COLOR:
- BLACK
- TYPE:
- DIGITAL
$219.95 -
TRAIL TECH Radiator Guards - Orange 0151-RB03
TRAIL TECH
$119.95Off-road riding exposes your radiator to constant threats—flying debris, brush, and impact damage that can sideline your bike. The TRAIL TECH Radiator Guards protect your cooling system with forged, CNC-machined construction while maintaining the airflow...19010614- SKU:
- 19010614
- Availability:
- Ships Same Business Day
- Weight:
- 2.12 LBS
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- RADIATOR GUARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- BASE COLOR:
- ORANGE
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
WINDEROSA Keihin Rebuild Kit - 28mm 451467
WINDEROSA
$48.67A worn or degraded carburetor directly impacts fuel atomization, throttle response, and overall engine performance. This complete rebuild kit restores your Keihin carb to factory specifications, eliminating lean/rich running conditions and hesitation...PD824467- 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
$48.67 -
WINDEROSA Keihin Rebuild Kit - 38-44mm 451468
WINDEROSA
$64.75A worn or degraded carburetor can sabotage your engine's fuel delivery precision, leading to poor throttle response and inconsistent jetting across the RPM range. This WINDEROSA Keihin rebuild kit supplies all gaskets, seals, and needle components needed...PD824468- 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
$64.75 -
TRAIL TECH Radiator Fan Kit - HUS 732-FN1
TRAIL TECH
$219.95Engine thermal management directly impacts performance, reliability, and longevity—especially under sustained racing or high-load conditions. The TRAIL TECH Radiator Fan Kit eliminates the guesswork of mechanical fan switches by using programmable...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
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
TRAIL TECH Radiator Fan Kit - Honda 732-FN6
TRAIL TECH
$219.95Engine temperatures fluctuate during hard driving, and mechanical fans can't react fast enough to prevent overheating or unnecessary drag on your engine. The TRAIL TECH Radiator Fan Kit uses electronic temperature sensing to activate cooling precisely...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
$219.95 -
TRAIL TECH Radiator Fan Kit - HUS 732-FN8
TRAIL TECH
$219.95Keeping your engine running at peak temperature is critical to performance and longevity—and mechanical fans simply can't respond fast enough to modern racing demands. The TRAIL TECH 732-FN8 replaces guesswork with precision electronic control,...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-FN9
TRAIL TECH
$219.95Maintaining precise engine temperatures is critical for reliability and performance, especially in demanding riding conditions where stock cooling systems fall short. The TRAIL TECH Radiator Fan Kit replaces mechanical switching with electronic...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 Guard - Black 0150-RB02
TRAIL TECH
$119.95Off-road racing exposes your cooling system to constant threats—flying debris, brush, and impact damage can compromise radiator integrity and leave you stranded. The TRAIL TECH Radiator Guard delivers robust protection where it matters most, safeguarding...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
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
TRAIL TECH Radiator Fan Kit - KTM 732-FN3
TRAIL TECH
$219.95Overheating is the silent killer of engine performance and longevity—especially in high-stress racing and trail conditions. The TRAIL TECH Radiator Fan Kit eliminates guesswork with an electronic temperature sensor that automatically engages cooling...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
$119.95Off-road radiator damage from flying debris and crash impacts can leave you stranded and facing expensive repairs. The TRAIL TECH Radiator Guard protects your cooling system with a reinforced spigot guard while maintaining unrestricted airflow—keeping...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
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
WINDEROSA Mikuni Pump Kit DF44 451449
WINDEROSA
$6.50Fuel pump failure doesn't just sideline your engine—it compromises reliability when you need it most. The WINDEROSA Mikuni Pump Kit DF44 supplies all gaskets required to restore a worn or leaking fuel pump to OEM specification, saving you the cost of a...449X- 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
$6.50Qty in Cart: 0Quantity:Price:$6.50Subtotal: -
WINDEROSA Square Fuel Pump Gasket Kit 451454
WINDEROSA
$7.97A fuel pump's gasket seals are critical to maintaining consistent fuel delivery and preventing costly leaks that compromise engine performance. The WINDEROSA Square Fuel Pump Gasket Kit 451454 provides all the sealing components you need to restore an...451454- 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
$7.97 -
WINDEROSA Super G & Super D Kit - Mikuni "Harley-Davidson" 462140
WINDEROSA
$23.28Keep your classic Harley or Kawasaki 440 Jet Ski running lean and mean with the WINDEROSA Super G & Super D Kit. This comprehensive rebuild solution replaces worn diaphragms and gaskets that cause fuel leaking, hard starting, and inconsistent idle—common...462140- 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
$23.28 -
WINDEROSA Full Top End Set 710032
WINDEROSA
$40.25When you're rebuilding a top end, gasket integrity is non-negotiable—poor sealing leads to compression loss, oil weeping, and catastrophic engine failure. The Winderosa 710032 Full Top End Set delivers OEM-spec replacements with upgraded materials, so...710032- SKU:
- 710032
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
$40.25Qty in Cart: 0Quantity:Price:$40.25Subtotal: -
WINDEROSA Full Top End Set 710058
WINDEROSA
$34.88When you're rebuilding a top end or replacing pistons, a compromised gasket seal will undermine all your machine work. The WINDEROSA Full Top End Set 710058 delivers OEM-equivalent fitment across Sachs, JLO, Hirth, CCW, Kohler, and Xenoah engines, so you...710058- SKU:
- 710058
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$34.88 -
WINDEROSA Full Top End Set 710061
WINDEROSA
$40.25When you're rebuilding a top end, gasket failure can undo months of meticulous work. The WINDEROSA 710061 Full Top End Set eliminates guesswork by providing OEM-equivalent gaskets and seals engineered to handle the demands of high-performance engines...710061- SKU:
- 710061
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$40.25Qty in Cart: 0Quantity:Price:$40.25Subtotal:
