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Dirt Bike Air and Fuel

Dirt Bike Air and Fuel

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

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
  • SHINDY Carburetor Repair Kit - Honda 03-713

    SHINDY Carburetor Repair Kit - Honda 03-713

    SHINDY

    $40.95
    A carburetor that's out of tune is leaving power on the table. The SHINDY Carburetor Repair Kit 03-713 gives you everything needed to fully rebuild your Honda OEM carb back to factory specifications—restoring throttle response, fuel delivery consistency,...
    10031147
    SKU:
    10031147
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    $40.95
    Subtotal:
  • WSM Keihin Low-Speed Jet 006-6050

    WSM Keihin Low-Speed Jet 006-6050

    WSM

    $2.17
    Precise low-speed fuel delivery is critical for smooth acceleration and reliable cold-start performance on Keihin CDK 2 carburetors. This OEM-specification jet from WSM ensures your watercraft responds predictably across the entire throttle range,...
    0066050
    SKU:
    0066050
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    WATERCRAFT
    PRODUCT NAME:
    JET
    TYPE:
    PILOT
    JET SIZE:
    50
    UNITS:
    EACH
    $2.17
    Qty in Cart: 0
    Quantity:
    Price:
    $2.17
    Subtotal:
  • MIKUNI Vitonƒâ€š‚® Needle and Seat - 2.5 786-15005-2.5

    MIKUNI Vitonƒâ€š‚® Needle and Seat - 2.5 786-15005-2.5

    MIKUNI

    $24.15
    A worn or damaged needle and seat directly compromises fuel delivery accuracy, leading to inconsistent jetting and poor engine response across the RPM range. This genuine Mikuni assembly restores precise fuel metering, ensuring reliable performance...
    10070407
    SKU:
    10070407
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    FLOW RATE IMPERIAL:
    2.50 GPH
    PRODUCT NAME:
    NEEDLE AND SEAT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    OFF-ROAD
    $24.15
    Qty in Cart: 0
    Quantity:
    Price:
    $24.15
    Subtotal:
  • MIKUNI Needle Jet 990-793-003-Q-4

    MIKUNI Needle Jet 990-793-003-Q-4

    MIKUNI

    $15.49
    Fine-tuning your carburetor's mid-range performance requires precision, and needle jet selection is critical to dialing in the sweet spot between 1/4 and 3/4 throttle opening. The MIKUNI Needle Jet 990-793-003-Q-4 delivers the exact fuel metering...
    166Q4
    SKU:
    166Q4
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MATERIAL:
    BRASS
    MODEL:
    TYPE 166
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    FOR VM38 MM SPIGOT
    TYPE:
    NEEDLE
    JET SIZE:
    Q-4
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    UNITS:
    EACH
    $15.49
    Qty in Cart: 0
    Quantity:
    Price:
    $15.49
    Subtotal:
  • MIKUNI Needle Jet 990-793-003-Q-5 MIKUNI Needle Jet 990-793-003-Q-5

    MIKUNI Needle Jet 990-793-003-Q-5

    MIKUNI

    $15.49
    Fine-tuning your carburetor's mid-range performance requires precision, and the MIKUNI Needle Jet 990-793-003-Q-5 delivers exactly that. This genuine Mikuni component gives you direct control over fuel delivery during the critical 1/4 to 3/4 throttle...
    166Q5
    SKU:
    166Q5
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    JET SIZE:
    Q-5
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    FEATURES:
    FOR VM38 MM SPIGOT
    PRODUCT NAME:
    JET
    TYPE:
    NEEDLE
    MODEL:
    TYPE 166
    RIDING STYLE:
    ATV
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $15.49
    Qty in Cart: 0
    Quantity:
    Price:
    $15.49
    Subtotal:
  • MIKUNI Pilot Jet - 4-Pack BS30/96-30

    MIKUNI Pilot Jet - 4-Pack BS30/96-30

    MIKUNI

    $5.20
    Precision fuel atomization depends on properly matched pilot jets, and running the wrong size compromises cold starts, idle quality, and low-rpm response. These OEM-spec MIKUNI pilot jets restore your carburetor to factory performance standards and...
    KBS309630
    SKU:
    KBS309630
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    JET SIZE:
    30
    RIDING STYLE:
    ATV
    TYPE:
    PILOT
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    MATERIAL:
    BRASS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    UNITS:
    4 PACK
    $5.20
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Pilot Jet - 4-Pack BS30/96-32.5

    MIKUNI Pilot Jet - 4-Pack BS30/96-32.5

    MIKUNI

    $14.56
    Precise fuel metering is fundamental to carburetor performance, and worn or incorrect pilot jets compromise your engine's low-RPM response and idle stability. These OEM-specification Mikuni pilot jets restore factory calibration, ensuring smooth throttle...
    KBS3096325
    SKU:
    KBS3096325
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    UNITS:
    4 PACK
    JET SIZE:
    32.5
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    RIDING STYLE:
    ATV
    TYPE:
    PILOT
    $14.56
    Qty in Cart: 0
    Quantity:
    Price:
    $14.56
    Subtotal:
  • MIKUNI Pilot Jet - 4-Pack BS30/96-35

    MIKUNI Pilot Jet - 4-Pack BS30/96-35

    MIKUNI

    $14.56
    Precise jetting is the foundation of carburetor tuning, and a worn or incorrect pilot jet directly impacts cold starts, idle quality, and low-rpm throttle response. This OEM-spec MIKUNI pilot jet restores factory performance characteristics and ensures...
    KBS309635
    SKU:
    KBS309635
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    JET SIZE:
    35
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    TYPE:
    PILOT
    UNITS:
    4 PACK
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    $14.56
    Qty in Cart: 0
    Quantity:
    Price:
    $14.56
    Subtotal:
  • MIKUNI Pilot Jet - 4-Pack BS30/96-37.5

    MIKUNI Pilot Jet - 4-Pack BS30/96-37.5

    MIKUNI

    $14.56
    If your carburetor is running rich or suffering from poor low-rpm response, a pilot jet swap is one of the most direct tuning adjustments you can make. This 4-pack of OEM-equivalent Mikuni pilot jets allows you to dial in your air-fuel mixture precisely,...
    KBS3096375
    SKU:
    KBS3096375
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    JET SIZE:
    37.5
    TYPE:
    PILOT
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    4 PACK
    MATERIAL:
    BRASS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    $14.56
    Qty in Cart: 0
    Quantity:
    Price:
    $14.56
    Subtotal:
  • MIKUNI Main Jet #155 - 4-Pack 4/042-155

    MIKUNI Main Jet #155 - 4-Pack 4/042-155

    MIKUNI

    $14.56
    If your Mikuni carburetor is running too lean or too rich, a proper main jet swap is one of the quickest ways to dial in your fuel delivery and unlock consistent performance across the RPM band. This 4-pack of OEM-spec #155 main jets gives you the...
    KM4042155
    SKU:
    KM4042155
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR VM CARBURETORS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH IMPERIAL:
    0.47'
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    TYPE:
    MAIN
    OVERALL DIAMETER IMPERIAL:
    0.24'
    HEAD TYPE:
    HEX HEAD
    JET SIZE:
    155
    MATERIAL:
    BRASS
    OVERALL LENGTH METRIC:
    12 MM
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    OVERALL LENGTH:
    12 MM (0,47')
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    $14.56
    Qty in Cart: 0
    Quantity:
    Price:
    $14.56
    Subtotal:
  • MIKUNI Main Jet #145 - 4-Pack 4/042-145

    MIKUNI Main Jet #145 - 4-Pack 4/042-145

    MIKUNI

    $5.20
    Proper jetting is fundamental to carburetor tuning—get it wrong and you're left with poor throttle response, fuel economy issues, or worse, engine damage. The MIKUNI Main Jet #145 delivers precise fuel metering for mid-range and high-RPM performance,...
    KM4042145
    SKU:
    KM4042145
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR VM CARBURETORS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    JET SIZE:
    145
    MATERIAL:
    BRASS
    OVERALL LENGTH METRIC:
    12 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    TYPE:
    MAIN
    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:
    UTV
    HEAD TYPE:
    HEX HEAD
    OVERALL LENGTH:
    12 MM (0,47')
    RIDING STYLE:
    OFF-ROAD
    $5.20
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #160 - 4-Pack 4/042-160

    MIKUNI Main Jet #160 - 4-Pack 4/042-160

    MIKUNI

    $5.20
    Fine-tuning your carburetor's fuel mixture requires precision, and a worn or incorrectly sized main jet directly impacts throttle response, fuel economy, and engine performance. This OEM-equivalent #160 main jet restores proper air-fuel ratio calibration...
    KM4042160
    SKU:
    KM4042160
    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
    OVERALL LENGTH METRIC:
    12 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    TYPE:
    MAIN
    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:
    UTV
    FEATURES:
    FOR VM CARBURETORS
    JET SIZE:
    160
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    $5.20
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #180 - 4-Pack 4/042-180

    MIKUNI Main Jet #180 - 4-Pack 4/042-180

    MIKUNI

    $5.20
    Fine-tuning your carburetor's fuel delivery is critical to achieving optimal performance and throttle response across your entire RPM range. A worn or incorrect main jet forces your engine to run rich or lean, costing you horsepower and fuel efficiency...
    KM4042180
    SKU:
    KM4042180
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD TYPE:
    HEX HEAD
    MATERIAL:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL LENGTH IMPERIAL:
    0.47'
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    OVERALL DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH:
    12 MM (0,47')
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    FEATURES:
    FOR VM CARBURETORS
    JET SIZE:
    180
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #185 - 4-Pack 4/042-185

    MIKUNI Main Jet #185 - 4-Pack 4/042-185

    MIKUNI

    $14.56
    Precision fuel metering is the foundation of carburetor tuning, and the right main jet size directly impacts your engine's power delivery and throttle response. The MIKUNI #185 main jet delivers the optimal fuel-air mixture for engines requiring a richer...
    KM4042185
    SKU:
    KM4042185
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    JET SIZE:
    185
    MATERIAL:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL LENGTH IMPERIAL:
    0.47'
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    UTV
    FEATURES:
    FOR VM CARBURETORS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    HEAD TYPE:
    HEX HEAD
    OVERALL DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH:
    12 MM (0,47')
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL LENGTH METRIC:
    12 MM
    UNITS:
    4 PACK
    $14.56
    Qty in Cart: 0
    Quantity:
    Price:
    $14.56
    Subtotal:
  • MIKUNI Main Jet #480 - 4-Pack 4/042-480

    MIKUNI Main Jet #480 - 4-Pack 4/042-480

    MIKUNI

    $5.20
    A properly sized main jet is critical to carburetor tuning—too rich or too lean, and you'll sacrifice throttle response, fuel economy, and engine reliability. The MIKUNI Main Jet #480 is the OEM-spec replacement for popular Mikuni models, ensuring your...
    KM4042480
    SKU:
    KM4042480
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR VM CARBURETORS
    RIDING STYLE:
    ATV
    HEAD TYPE:
    HEX HEAD
    MATERIAL:
    BRASS
    OVERALL LENGTH:
    12 MM (0,47')
    OVERALL LENGTH METRIC:
    12 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    JET SIZE:
    480
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    STREET
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH IMPERIAL:
    0.47'
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    UTV
    TYPE:
    MAIN
    $5.20
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #490 - 4-Pack 4/042-490

    MIKUNI Main Jet #490 - 4-Pack 4/042-490

    MIKUNI

    $5.20
    Carburetor tuning is the foundation of predictable engine performance, and a precise main jet is essential to dialing in your air-fuel mixture under load. The MIKUNI #490 main jet delivers consistent fuel delivery across a wide RPM range, ensuring your...
    KM4042490
    SKU:
    KM4042490
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    JET SIZE:
    490
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #50 - 4-Pack 4/042-50

    MIKUNI Main Jet #50 - 4-Pack 4/042-50

    MIKUNI

    $5.20
    Proper jetting is the foundation of carburetor tuning—get it wrong, and you're leaving power on the table or running lean. The MIKUNI Main Jet #50 is the direct replacement for stock VM-series carburetors, ensuring your fuel mixture stays dialed in...
    KM404250
    SKU:
    KM404250
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD TYPE:
    HEX HEAD
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL LENGTH METRIC:
    12 MM
    RIDING STYLE:
    ATV
    FEATURES:
    FOR VM CARBURETORS
    JET SIZE:
    50
    MATERIAL:
    BRASS
    OVERALL LENGTH:
    12 MM (0,47')
    RIDING STYLE:
    OFF-ROAD
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH IMPERIAL:
    0.47'
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    TYPE:
    MAIN
    UNITS:
    4 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #500 - 4-Pack 4/042-500

    MIKUNI Main Jet #500 - 4-Pack 4/042-500

    MIKUNI

    $5.20
    A properly sized main jet is fundamental to carburetor tuning—the #500 jet directly controls fuel delivery under load, affecting throttle response, acceleration, and overall engine performance. Whether you're fine-tuning a race carb or restoring a...
    KM4042500
    SKU:
    KM4042500
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD TYPE:
    HEX HEAD
    OVERALL LENGTH:
    12 MM (0,47')
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    FOR VM CARBURETORS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL LENGTH IMPERIAL:
    0.47'
    RIDING STYLE:
    UTV
    MATERIAL:
    BRASS
    OVERALL LENGTH METRIC:
    12 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    4 PACK
    JET SIZE:
    500
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    $5.20
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #540 - 4-Pack 4/042-540

    MIKUNI Main Jet #540 - 4-Pack 4/042-540

    MIKUNI

    $5.20
    Precision fuel metering is non-negotiable in carbureted performance builds. These OEM-spec main jets deliver consistent jetting across a wide range of Mikuni applications, eliminating guesswork and ensuring repeatable, reliable engine tuning. Stock with...
    KM4042540
    SKU:
    KM4042540
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR VM CARBURETORS
    JET SIZE:
    540
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL LENGTH METRIC:
    12 MM
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    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
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    HEAD TYPE:
    HEX HEAD
    MATERIAL:
    BRASS
    $5.20
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • MIKUNI Main Jet #55 - 4-Pack 4/042-55

    MIKUNI Main Jet #55 - 4-Pack 4/042-55

    MIKUNI

    $5.20
    Precision fuel metering is critical to carburetor performance—whether you're tuning for peak horsepower or dialing in consistent throttle response across RPM ranges. The MIKUNI Main Jet #55 delivers the exact fuel flow your engine demands, and purchasing...
    KM404255
    SKU:
    KM404255
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR VM CARBURETORS
    TYPE:
    MAIN
    UNITS:
    4 PACK
    HEAD TYPE:
    HEX HEAD
    JET SIZE:
    55
    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
    OVERALL LENGTH METRIC:
    12 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    MATERIAL:
    BRASS
    OVERALL LENGTH:
    12 MM (0,47')
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
    Subtotal:
  • Total: items /

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Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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