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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MOOSE RACING Mud Radiator Cover - 2-Stroke - Husqvarna 250 HPRMUDHUS2502TM
MOOSE RACING
$3.95Designed to protect your radiator from clogging up with mud in inclement conditions, Easy to install with elastic straps that wrap around the radiator core housing, Made of silicone so that mud will not stick to radiator causing restriction of air into...19010781- SKU:
- 19010781
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- RADIATOR
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$3.95 -
MOOSE RACING Fuel Line - Red - 1/4" - 3' 140-3801S
MOOSE RACING
$11.95This quality-made fuel line will not harden or crack, Fuel line is made of premium polyurethane, Made in the U.S.A., Not to be used with fuel over 10% alcohol.07060243- SKU:
- 07060243
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- INSIDE DIAMETER IMPERIAL:
- 1/4'
- RIDING STYLE:
- OFF-ROAD
- LENGTH IMPERIAL:
- 3'
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- FUEL LINE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- APPLICATION:
- FUEL INJECTED
- BASE COLOR:
- RED
- INSIDE DIAMETER METRIC:
- 6.4 MM
- LENGTH METRIC:
- 91 CM
- MATERIAL:
- POLYURETHANE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$11.95 -
MOOSE RACING Carburetor Repair Kit - Yamaha 26-1148
MOOSE RACING
$43.38Each kit contains all necessary gaskets, O-rings, float valve and jets, Supplied to Moose Racing by the same supplier the OEMs use, Complete kits to rebuild OEM carburetors10030751- SKU:
- 10030751
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- TYPE:
- CARBURETOR
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$43.38Qty in Cart: 0Quantity:Price:$43.38Subtotal: -
MOOSE RACING Pre-Oiled Air Filter - Kawasaki P3-40-01
MOOSE RACING
$28.95Precision Pre-Oiled Air Filter Engineered for optimal airflow and performance No excess oil, ensuring maximum horsepower High tack, bio-friendly, flame-resistant Moose Racing Super Seal Filter Oil High-tech machinery pre-oils filters for perfect...10111401- SKU:
- 10111401
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$28.95 -
MOOSE RACING Filterskins M819-90
MOOSE RACING
$20.95Pull the string to remove filterskin, exposing a clean air filter surface, Extremely thin and durable to allow maximum airflow, It's like cleaning your filter in seconds, Perfect for long, dusty races, Made in the U.S.A.M81990- SKU:
- M81990
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- WHITE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- FILTER WRAP
- TYPE:
- AIR FILTER
- UNITS:
- 3 PACK
$20.95 -
MOOSE RACING Torque Spacer Kit - KX250 10-201
MOOSE RACING
$41.95Simple but effective way to shift the torque curve to favor the low-end to mid-range band of the rev range, CNC-machined, eliminating interference problems when installing; includes gaskets and bolts, Insert spacer between cylinder and reed valve, Made...10080138- SKU:
- 10080138
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TORQUE
- FEATURES:
- INCLUDES GASKETS
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- MATERIAL:
- CNC-MACHINED
- PRODUCT NAME:
- INTAKE SPACER
- UNITS:
- KIT
$41.95 -
MOOSE RACING Mud Radiator Cover - KTM 125 HPRMUDKT1252TM
MOOSE RACING
$3.95Designed to protect your radiator from clogging up with mud in inclement conditions, Easy to install with elastic straps that wrap around the radiator core housing, Made of silicone so that mud will not stick to radiator causing restriction of air into...19010787- SKU:
- 19010787
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- COVER
- TYPE:
- RADIATOR
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$3.95 -
MOOSE RACING Mud Radiator Cover - 2-Stroke - KTM 250 HPRMUDKT2502TM
MOOSE RACING
$3.95Designed to protect your radiator from clogging up with mud in inclement conditions, Easy to install with elastic straps that wrap around the radiator core housing, Made of silicone so that mud will not stick to radiator causing restriction of air into...19010788- SKU:
- 19010788
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- RADIATOR
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$3.95 -
MOOSE RACING Carburetor Repair Kit - Suzuki 26-1781
MOOSE RACING
$54.49Each kit contains all necessary gaskets, O-rings, float valve and jets, Supplied to Moose Racing by the same supplier the OEMs use, Complete kits to rebuild OEM carburetors10031435- SKU:
- 10031435
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
$54.49 -
MOOSE RACING Carburetor Repair Kit - Yamaha 26-1782
MOOSE RACING
$52.47Each kit contains all necessary gaskets, O-rings, float valve and jets, Supplied to Moose Racing by the same supplier the OEMs use, Complete kits to rebuild OEM carburetors10031436- SKU:
- 10031436
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$52.47 -
MOOSE RACING Carburetor Repair Kit - Yamaha 26-10049
MOOSE RACING
$37.32Each kit contains all necessary gaskets, O-rings, float valve and jets, Supplied to Moose Racing by the same supplier the OEMs use, Complete kits to rebuild OEM carburetors10031932- SKU:
- 10031932
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
$37.32Qty in Cart: 0Quantity:Price:$37.32Subtotal: -
MOOSE RACING Electric Fuel Injection Fuel Pump Rebuild Kit 47-2038-M
MOOSE RACING
$108.95Sold as a kit10090091- SKU:
- 10090091
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- FUEL PUMP REBUILD KIT
$108.95 -
MOOSE RACING Electric Fuel Injection Fuel Pump Rebuild Kit 47-2032-M
MOOSE RACING
$108.95Sold as a kit10090092- SKU:
- 10090092
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- FUEL PUMP REBUILD KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$108.95 -
MOOSE RACING Electric Fuel Injection Fuel Pump Rebuild Kit 47-2040-M
MOOSE RACING
$108.95Sold as a kit10090093- SKU:
- 10090093
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- FUEL PUMP REBUILD KIT
- RIDING STYLE:
- OFF-ROAD
$108.95Qty in Cart: 0Quantity:Price:$108.95Subtotal: -
MOOSE RACING Electric Fuel Injection Fuel Pump Rebuild Kit 47-2037-M
MOOSE RACING
$108.95Sold as a kit10090094- SKU:
- 10090094
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- FUEL PUMP REBUILD KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
$108.95 -
UNI FILTER Filter - Honda NU-4132ST
UNI FILTER
$18.95Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...NU4132ST- SKU:
- NU4132ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- UNI-SEAL
- BASE COLOR:
- RED
- FILTER SHAPE:
- CYLINDER
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
$18.95 -
UNI FILTER Filter - Honda CRF450R NU-4133ST
UNI FILTER
$37.95Clean easily with grease-cutting dishwashing detergent; just clean, oil and reuse indefinitely, Two-stage air filters come apart for maximum airflow and ultimate cleaning, Most filters feature the Ultra Seal grease groove on the sealing surface,...NU4133ST- SKU:
- NU4133ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MODEL:
- UNI-SEAL
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
$37.95 -
PC RACING Pro Seal - KX450F PC26
PC RACING
$18.95Specially formulated adhesives are not affected by gas and oil, Neoprene gasket adheres to air filter rim inside bike's airbox, Does away with the hassle and mess of air filter grease10114284- SKU:
- 10114284
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- NEOPRENE
- MODEL:
- PRO-SEAL
- PRODUCT NAME:
- GASKET
$18.95 -
PC RACING Pro Seal - KX250/450F '06 PC18
PC RACING
$18.95Specially formulated adhesives are not affected by gas and oil, Neoprene gasket adheres to air filter rim inside bike's airbox, Does away with the hassle and mess of air filter grease10110686- SKU:
- 10110686
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- BASE COLOR:
- BLACK
- TYPE:
- AIR FILTER
- UNITS:
- EACH
- MATERIAL:
- NEOPRENE
- COLOR/FINISH:
- BLACK
- MODEL:
- PRO-SEAL
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
$18.95 -
PC RACING Pro Seal - CRF450R '09 PC19
PC RACING
$18.95Specially formulated adhesives are not affected by gas and oil, Neoprene gasket adheres to air filter rim inside bike's airbox, Does away with the hassle and mess of air filter grease10111453- SKU:
- 10111453
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
- TYPE:
- AIR FILTER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- NEOPRENE
- MODEL:
- PRO-SEAL
- PRODUCT NAME:
- GASKET
$18.95
