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
-
CV4 Vent Tubing - Orange - 3mm SFSVT3-3O
CV4
$24.99Carburetor vent lines, overflow tubes, and coolant bypass hoses demand materials that won't degrade under heat cycles or harsh underhood conditions. The CV4 Vent Tubing delivers pure silicone construction rated to 420°F, ensuring reliable performance...07060091- SKU:
- 07060091
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- BASE COLOR:
- ORANGE
- INSIDE DIAMETER:
- 3,0 MM
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- UTV
- MATERIAL:
- SILICONE RUBBER
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- VENT
- UNITS:
- EACH
- INSIDE DIAMETER METRIC:
- 3.0 MM
- LENGTH IMPERIAL:
- 9.8'
- RIDING STYLE:
- OFF-ROAD
$24.99Qty in Cart: 0Quantity:Price:$24.99Subtotal: -
CV4 Vent Tubing - Red - 3mm SFSVT3-3R
CV4
$24.99High-temperature vent tubing is critical for carburetor, overflow, and auxiliary cooling systems—any deterioration leads to leaks, system inefficiency, and potential engine bay contamination. The CV4 Vent Tubing handles extreme underhood temperatures...07060092- SKU:
- 07060092
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- TYPE:
- VENT
- UNITS:
- EACH
- MATERIAL:
- SILICONE RUBBER
- BASE COLOR:
- RED
- INSIDE DIAMETER:
- 3,0 MM
- PRODUCT NAME:
- TUBING
- RIDING STYLE:
- UTV
- INSIDE DIAMETER METRIC:
- 3.0 MM
- LENGTH IMPERIAL:
- 9.8'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$24.99 -
CV4 Vent Tubing - Yellow - 3mm SFSVT3-3Y
CV4
$24.99Carburetor vent lines, overflow tubes, and coolant bypass hoses demand materials that won't degrade under heat cycling or chemical exposure. The CV4 Vent Tubing delivers pure silicone construction that maintains flexibility and integrity from idle to...07060093- SKU:
- 07060093
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- INSIDE DIAMETER:
- 3,0 MM
- MATERIAL:
- SILICONE RUBBER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- TUBING
- TYPE:
- VENT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- INSIDE DIAMETER METRIC:
- 3.0 MM
- LENGTH IMPERIAL:
- 9.8'
$24.99Qty in Cart: 0Quantity:Price:$24.99Subtotal: -
SHINDY Carburetor Repair Kit - YZ125 03-878
SHINDY
$29.95A properly tuned carburetor is the foundation of consistent engine performance, and worn jets, gaskets, and seals gradually degrade throttle response and fuel delivery precision. The SHINDY 03-878 Carburetor Repair Kit for YZ125 models (2003+) provides...10031240- SKU:
- 10031240
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
SHINDY Carburetor Repair Kit - YZ400F 03-879
SHINDY
$45.95A carburetor that's lost its precision will rob your YZ400F of throttle response and fuel efficiency. This SHINDY Repair Kit restores your OEM carb to factory specifications with wear-resistant components engineered to handle modern fuel blends. Whether...10031241- SKU:
- 10031241
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$45.95 -
SHINDY Carburetor Repair Kit - PW50 03-880
SHINDY
$40.95A worn or varnished carburetor will cost you power, throttle response, and reliability—especially on a PW50 that demands precise fuel delivery for consistent performance. This complete SHINDY rebuild kit gives you all the jets, needles, and seals needed...10031242- SKU:
- 10031242
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.95Qty in Cart: 0Quantity:Price:$40.95Subtotal: -
SHINDY Carburetor Repair Kit - TW200 03-891
SHINDY
$40.95A carburetor that's running lean, clogged, or out of tune will cost you performance and fuel efficiency. The SHINDY 03-891 Repair Kit gives you everything needed to fully rebuild your TW200 carburetor to factory specifications, restoring crisp throttle...10031248- SKU:
- 10031248
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
$40.95 -
SHINDY Carburetor Repair Kit - XT225 03-893
SHINDY
$43.95A carburetor that's running lean, rich, or unstable wastes fuel and kills performance—this complete rebuild kit restores your XT225 to factory specifications with precision-engineered components. Rather than replacing the entire carburetor, this kit...10031250- SKU:
- 10031250
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$43.95 -
MIKUNI Needle Jet 990-793-004-Q-4
MIKUNI
$15.49Precise mid-range throttle response is critical for carburetors operating in the 1/4 to 3/4 throttle range, and the MIKUNI Needle Jet 990-793-004-Q-4 gives you direct control over this vital tuning window. Whether you're dialing in a race engine or...159Q4- SKU:
- 159Q4
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FEATURES:
- FOR VM 30 MM - 36 MM SPIGOT
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
- JET SIZE:
- Q-4
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MODEL:
- TYPE 159
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
$15.49 -
MIKUNI Needle Jet 990-793-004-Q-6
MIKUNI
$15.49Precise carburetor tuning is the foundation of reliable engine performance across the mid-range throttle spectrum, and the MIKUNI Needle Jet 990-793-004-Q-6 gives you the control to dial in your fuel mixture with surgical accuracy. Rather than guessing...159Q6- SKU:
- 159Q6
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- NEEDLE
- FEATURES:
- FOR VM 30 MM - 36 MM SPIGOT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- JET SIZE:
- Q-6
- MATERIAL:
- BRASS
- MODEL:
- TYPE 159
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$15.49 -
MIKUNI Needle Jet 990-793-004-Q-8
MIKUNI
$15.49Precise carburetor tuning hinges on quality needle jets, and the MIKUNI 990-793-004-Q-8 delivers the fine-control adjustability that separates dialed-in engines from guesswork. This genuine Mikuni component enables mid-range fuel mixture optimization—the...159Q8- SKU:
- 159Q8
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- JET SIZE:
- Q-8
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- FEATURES:
- FOR VM 30 MM - 36 MM SPIGOT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- JET
- TYPE:
- NEEDLE
- MATERIAL:
- BRASS
- MODEL:
- TYPE 159
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$15.49 -
MIKUNI Main Jet #260 - 4-Pack 4/042-260
MIKUNI
$5.20Precise fuel metering is non-negotiable in carbureted performance engines, and main jet selection directly controls your air-fuel ratio across the mid-range and top-end RPM band. If you're running Mikuni VM or TMX carburetors and experiencing lean...KM4042260- SKU:
- KM4042260
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- 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:
- 260
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Main Jet #190 - 4-Pack 4/042-190
MIKUNI
$14.56Precise fuel metering is fundamental to carburetor tuning, and the right main jet directly impacts throttle response, fuel economy, and engine performance across the RPM band. Whether you're fine-tuning a Mikuni VM or TMX series carburetor for track...KM4042190- SKU:
- KM4042190
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- FEATURES:
- FOR VM CARBURETORS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL LENGTH METRIC:
- 12 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- JET SIZE:
- 190
- 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
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
$14.56 -
MIKUNI Pilot Jet #45 4-Pack VM22/210-45
MIKUNI
$14.55A properly sized pilot jet is critical for smooth idle quality, precise throttle response, and reliable cold starts—especially when tuning carburetors for modified engines or altitude changes. The Mikuni #45 pilot jet delivers the exact fuel metering...KM545- SKU:
- KM545
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 45
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- HEAD DIAMETER METRIC:
- 4.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
$14.55 -
MIKUNI Pilot Jet #50 4-Pack VM22/210-50
MIKUNI
$5.20A properly sized pilot jet is critical for smooth, predictable throttle response at low RPM—the foundation of any well-tuned carburator. This genuine Mikuni #50 pilot jet delivers consistent fuel atomization in the idle and off-idle circuits, eliminating...KM550- SKU:
- KM550
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- HEAD DIAMETER METRIC:
- 4.00 MM
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- JET SIZE:
- 50
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$5.20 -
MIKUNI Pilot Jet #55 4-Pack VM22/210-55
MIKUNI
$5.20A properly sized pilot jet is fundamental to carburetor tuning—it directly controls fuel delivery at idle and low throttle openings, affecting cold starts, throttle response, and fuel economy. If you're experiencing hesitation off the line, rough idling,...KM555- SKU:
- KM555
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- PILOT
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- JET SIZE:
- 55
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- HEAD DIAMETER METRIC:
- 4.00 MM
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$5.20 -
MIKUNI Pilot Jet # 60 4-Pack VM22/210-60
MIKUNI
$5.20A pilot jet controls your carburetor's idle and low-speed fueling—get this wrong, and you'll deal with rough starts, stumbling, and wasted throttle response. The MIKUNI #60 pilot jet delivers precise fuel metering at low RPMs, ensuring smooth idle...KM560- SKU:
- KM560
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRASS
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 4.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- JET SIZE:
- 60
- RIDING STYLE:
- STREET
$5.20 -
MIKUNI Pilot Jet #65 4-Pack VM22/210-65
MIKUNI
$5.20A lean-running carburetor starts with precision fuel metering at idle and low-throttle conditions—exactly what the pilot jet controls. If your VM, TM, or TMX carb is running rich off-idle or struggling to deliver crisp throttle response, swapping to the...KM565- SKU:
- KM565
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 65
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- HEAD DIAMETER METRIC:
- 4.00 MM
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- PILOT
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
$5.20 -
MIKUNI Pilot Jet #75 4-Pack VM22/210-75
MIKUNI
$14.55A lean idle and smooth low-end response depend entirely on getting the pilot jet right. The Mikuni #75 pilot jet delivers precise fuel metering at cruise and idle RPMs, eliminating the hesitation and stumbling that plague incorrectly jetted carburetors...KM575- SKU:
- KM575
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- PILOT
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- HEAD DIAMETER METRIC:
- 4.00 MM
- JET SIZE:
- 75
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 14.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$14.55 -
MIKUNI Pilot Jet #15 4-Pack VM22/210-15
MIKUNI
$14.55A pilot jet directly controls your carburetor's fuel delivery at idle and low-throttle operation—the foundation of smooth, responsive engine behavior. If your bike is running rich at idle, hesitating on initial throttle input, or simply won't tune...KM515- SKU:
- KM515
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 4.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- FEATURES:
- FOR VM CARBURETORS
- OVERALL LENGTH METRIC:
- 14.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRASS
- JET SIZE:
- 15
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- TYPE:
- PILOT
$14.55
