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
-
MIKUNI Super BN Series Pilot Jet - 4-Pack N100606-925
MIKUNI
$5.20Precise pilot jet sizing is fundamental to carburetor tuning, especially when you're chasing optimal fuel delivery at idle and low-throttle conditions. The MIKUNI Super BN Series Pilot Jet ensures...KN100606925- SKU:
- KN100606925
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 92.5
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- PILOT
- MODEL:
- MIKUNI
- PRODUCT NAME:
- JET
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Super BN Series Pilot Jet - 4-Pack N100606-95
MIKUNI
$5.20Precision fuel metering at idle and low-throttle conditions separates a dialed-in carb setup from one that stumbles and hesitates. The MIKUNI Super BN Series Pilot Jet delivers consistent, repeatable...KN10060695- SKU:
- KN10060695
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 95
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- JET
- TYPE:
- PILOT
- UNITS:
- 4 PACK
$5.20Qty in Cart: 0Quantity:Price:$5.20Subtotal: -
On Sale
MIKUNI Super BN Series Pilot Jet - 4-Pack N100606-975
MIKUNI
MSRP: $4.95Now: $4.00Was: $5.90Precise fuel metering at low throttle openings is critical for consistent idle quality and smooth throttle response across varying altitudes and temperatures. The MIKUNI Super BN Series Pilot Jet...KN100606975- SKU:
- KN100606975
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 97.5
- TYPE:
- PILOT
- PRODUCT NAME:
- JET
- RIDING STYLE:
- WATERCRAFT
- MODEL:
- MIKUNI
- UNITS:
- 4 PACK
MSRP: $4.95Now: $4.00Was: $5.90Qty in Cart: 0Quantity:Price:MSRP: $4.95Now: $4.00Was: $5.90Subtotal: -
MIKUNI Main Jet - #100 - 4-Pack N102221-100
MIKUNI
$14.55If your carburetor is running lean or your engine lacks throttle response, a proper main jet is the foundation of accurate fuel delivery across the RPM band. The MIKUNI #100 main jet is engineered...KN102221100- SKU:
- KN102221100
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- MIKUNI
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- JET SIZE:
- 100
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$14.55 -
MIKUNI Main Jet - #125 - 4-Pack N102221-125
MIKUNI
$14.55If you're tuning a CV or Power Jet carburetor, jet selection directly impacts fuel delivery, throttle response, and engine performance across your powerband. The MIKUNI #125 main jet is the OE...KN102221125- SKU:
- KN102221125
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 125
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MATERIAL:
- BRASS
- MODEL:
- MIKUNI
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$14.55 -
MIKUNI Main Jet - #130 - 4-Pack N102221-130
MIKUNI
$14.55If you're tuning a carbureted engine with Mikuni CV or Power Jet carbs, jet selection directly impacts fuel delivery precision and throttle response. Installing the correct main jet eliminates...KN102221130- SKU:
- KN102221130
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- MIKUNI
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- JET SIZE:
- 130
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
$14.55 -
MIKUNI Main Jet #460 - 4-Pack 4/042-460
MIKUNI
$14.56Tuning your Mikuni carb requires precision—wrong jet sizing throws your air-fuel ratio off and kills performance. This 4-pack of #460 main jets gives you the exact metering you need for consistent...KM4042460- SKU:
- KM4042460
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH:
- 12 MM (0,47')
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 460
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
$14.56 -
MIKUNI Main Jet #470 - 4-Pack 4/042-470
MIKUNI
$5.20If your Mikuni carburetor is running too lean or too rich, a main jet swap is the fastest way to dial in your air-fuel ratio without breaking out fabrication tools. The #470 jet is a direct bolt-in...KM4042470- SKU:
- KM4042470
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL DIAMETER METRIC:
- 6.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- JET SIZE:
- 470
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- UTV
- HEAD TYPE:
- HEX HEAD
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- OFF-ROAD
$5.20 -
MIKUNI Main Jet #560 - 4-Pack 4/042-560
MIKUNI
$5.20Proper jetting is non-negotiable for carburetor performance, and a worn or incorrect main jet will rob your engine of power and throttle response. The MIKUNI #560 main jet delivers the precise fuel...KM4042560- SKU:
- KM4042560
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 560
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Main Jet #580 - 4-Pack 4/042-580
MIKUNI
$5.20Proper jetting is fundamental to carburetor performance—too lean and you risk engine damage, too rich and you sacrifice efficiency and throttle response. The MIKUNI Main Jet #580 delivers precise...KM4042580- SKU:
- KM4042580
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- JET SIZE:
- 580
- MATERIAL:
- BRASS
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Main Jet #60 - 4-Pack 4/042-60
MIKUNI
$14.56Precise fuel metering is non-negotiable in high-performance carburetor tuning, and the MIKUNI Main Jet #60 delivers the exact atomization your engine demands across load ranges. Whether you're...KM404260- SKU:
- KM404260
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- OVERALL LENGTH:
- 12 MM (0,47')
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 60
- OVERALL LENGTH METRIC:
- 12 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- HEAD TYPE:
- HEX HEAD
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- FEATURES:
- FOR VM CARBURETORS
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$14.56 -
K & N Universal Precharger - Black RE-0810PK
K & N
$31.99If you're running your engine in dust, sand, or other harsh environments, a precharger filter is essential protection for your primary air filter—and your engine. The K&N Universal Precharger...RE0810PK- SKU:
- RE0810PK
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- MATERIAL:
- POLYESTER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- FEATURES:
- CLOSED TOP
- PRODUCT NAME:
- PRECHARGER
- RIDING STYLE:
- UTV
- RIDING STYLE:
- STREET
$31.99Qty in Cart: 0Quantity:Price:$31.99Subtotal: -
MIKUNI Main Jet - #95 - 4-Pack N102221-95
MIKUNI
$20.46Fine-tuning your carburetor's fuel delivery is critical for achieving optimal engine performance and throttle response. The MIKUNI #95 main jet delivers precise fuel metering across mid-range and...KN10222195- SKU:
- KN10222195
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 95
- MODEL:
- MIKUNI
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
$20.46 -
MIKUNI Flat Slide Carburetor - 36mm TM36-2
MIKUNI
$229.00If you're running a carbureted engine that demands crisp throttle response and consistent fuel metering across the RPM range, the MIKUNI TM36-2 flat slide carburetor delivers measurable gains over...TM36- SKU:
- TM36
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- MAIN JET:
- 280 (4/042)
- NEEDLE JET:
- Q-6 (389 SERIES)
- NEEDLE VALVE:
- 4.0
- PILOT JET:
- 50 (VM22/210)
- SPIGOT MOUNTING OUTSIDE DIAMETER:
- 43
- CARBURETOR SIZE METRIC:
- 36.00 MM
- PRODUCT NAME:
- CARBURETOR CENTER PULL
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- SLIDE CUTAWAY:
- -
- AIR JET:
- NONE
- NEEDLE:
- 6FJ40
- RIDING STYLE:
- STREET
- STYLE:
- FLAT SLIDE
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$229.00Qty in Cart: 0Quantity:Price:$229.00Subtotal: -
MIKUNI Needle and Seat VM28/163-2.0
MIKUNI
$24.15The needle and seat assembly is the critical control point in your carburetor's fuel delivery system—wear or degradation here directly impacts your air-fuel mixture precision and engine response...VM2816320- SKU:
- VM2816320
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$24.15 -
MIKUNI Needle and Seat VM28/163-2.5
MIKUNI
$24.15A worn or damaged needle and seat directly compromises fuel metering precision, leading to lean conditions, hesitation, and unreliable idle quality. This genuine Mikuni assembly restores proper fuel...VM2816325- SKU:
- VM2816325
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$24.15 -
MIKUNI Needle and Seat VM28/511-1.8
MIKUNI
$24.15The needle and seat assembly is the critical metering component in your carburetor—it directly controls fuel flow and atomization, which means it impacts throttle response, fuel efficiency, and...VM2851118- SKU:
- VM2851118
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$24.15 -
MIKUNI Needle and Seat VM28/511-2.0
MIKUNI
$24.15A worn or damaged needle and seat assembly compromises fuel atomization and carburetor response, directly impacting throttle precision and engine reliability. The Mikuni VM28/511-2.0 restores...VM2851120- SKU:
- VM2851120
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$24.15 -
MIKUNI Pilot Jet - 4-Pack BS30/96-50
MIKUNI
$5.20Precise fuel atomization directly impacts throttle response and low-end performance in carbureted applications. OEM pilot jets gradually wear and restrict fuel flow, causing flat spots and hesitation...KBS309650- SKU:
- KBS309650
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 50
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
$5.20 -
MIKUNI Pilot Jet - 4-Pack BS30/96-52.5
MIKUNI
$5.20Precise fuel metering is critical to carburetor performance, and a worn or incorrect pilot jet directly impacts idle quality, throttle response, and fuel economy. This OEM-specification Mikuni pilot...KBS3096525- SKU:
- KBS3096525
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 52.5
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
$5.20
