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Street Bike Carburertor Main Jets

Street Bike Carburertor Main Jets

Street Bike Carburetor Main Jets at JJ Motorsports

Tune your street bike's carb precisely with premium Mikuni and EBC main/pilot jets from JJ Motorsports, available in convenient 4-packs for accurate fuel metering and optimal performance on Suzuki GSX-R, Honda CBR, Kawasaki ZX, Yamaha R-series, and classic carbureted models.

Shop Mikuni and EBC carburetor jets for OEM-quality brass construction and reliable tuning. Explore related categories such as street bike air and fuel for rebuild kits and needles, or street bike for exhaust and brakes to complete your carb refresh and achieve crisp throttle response on every ride.

Top Street Bike Carburetor Main Jets

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ110-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ110-4

    EBC

    $11.41
    A lean or rich-running engine wastes fuel, kills performance, and risks catastrophic damage to your powerplant. The EBC Mikuni-Style Carburetor Jet 4-Pack puts precise fuel metering back in your hands, allowing you to dial in the exact air-fuel ratio...
    10060060
    SKU:
    10060060
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    JET SIZE:
    110
    MATERIAL:
    BRASS
    OVERALL LENGTH METRIC:
    11.50 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    THREAD PITCH:
    M5,3 X 0,9
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    HEAD DIAMETER METRIC:
    6.00 MM
    HEAD TYPE:
    HEX HEAD
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    SNOW
    THREAD LENGTH METRIC:
    5.00 MM
    HEAD LENGTH METRIC:
    6.50 MM
    TYPE:
    MAIN
    UNITS:
    4 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $11.41
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ112.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ112.5-4

    EBC

    $11.17
    Carburetor tuning hinges on precise fuel atomization, and worn or incorrect jets rob you of the air-fuel mixture accuracy your engine demands. These EBC Keihin-style jets deliver flow-calibrated brass construction—allowing you to dial in the exact fuel...
    10060143
    SKU:
    10060143
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    HEAD TYPE:
    SLOTTED
    JET SIZE:
    112.5
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    FEATURES:
    FOR KJ CARBURETORS
    RIDING STYLE:
    ATV
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ117.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ117.5-4

    EBC

    $11.17
    Fine-tuning your carburetor's fuel mixture requires precision jets calibrated to exact flow rates—stock jets often leave performance on the table or cause running issues during tuning. The EBC Keihin-Style Carburetor Jet delivers flow-calibrated brass...
    10060145
    SKU:
    10060145
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    UTV
    MATERIAL:
    BRASS
    MODEL:
    RD PRECISION
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    FOR KJ CARBURETORS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    RIDING STYLE:
    SNOW
    TYPE:
    MAIN
    UNITS:
    4 PACK
    BASE COLOR:
    BRASS
    HEAD TYPE:
    SLOTTED
    JET SIZE:
    117.5
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ142.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ142.5-4

    EBC

    $11.17
    Carburetor jetting is critical to engine performance—too rich and you're wasting fuel and fouling plugs, too lean and you risk lean-burn conditions that compromise reliability. These EBC Keihin-style jets deliver precision flow calibration across the RPM...
    10060155
    SKU:
    10060155
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    JET SIZE:
    142.5
    MATERIAL:
    BRASS
    MODEL:
    RD PRECISION
    RIDING STYLE:
    OFF-ROAD
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    UTV
    HEAD TYPE:
    SLOTTED
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    BASE COLOR:
    BRASS
    FEATURES:
    FOR KJ CARBURETORS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ102.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ102.5-4

    EBC

    $11.17
    Brass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rate, High-quality replacements; NOT original Keihin jets, Sold to dealer as 4-pack; sold to consumer as each
    10060139
    SKU:
    10060139
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    FEATURES:
    FOR KJ CARBURETORS
    HEAD TYPE:
    SLOTTED
    MATERIAL:
    BRASS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    RD PRECISION
    OVERALL DIAMETER IMPERIAL:
    0.24'
    BASE COLOR:
    BRASS
    JET SIZE:
    102.5
    OVERALL DIAMETER:
    6,00 MM (0,24')
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    UTV
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ560-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ560-4

    EBC

    $7.95
    Carburetor tuning demands precision, and worn or incorrect jets will rob your engine of the lean mixtures and throttle response you've dialed in. These brass jets are flow-calibrated to exact specifications, ensuring your fuel delivery stays consistent...
    10060114
    SKU:
    10060114
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    BASE COLOR:
    BRASS
    HEAD DIAMETER METRIC:
    6.00 MM
    JET SIZE:
    560
    OVERALL DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH METRIC:
    11.50 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    THREAD PITCH:
    M5,3 X 0,9
    HEAD TYPE:
    HEX HEAD
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    THREAD LENGTH METRIC:
    5.00 MM
    UNITS:
    4 PACK
    TYPE:
    MAIN
    HEAD LENGTH METRIC:
    6.50 MM
    RIDING STYLE:
    ATV
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ600-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ600-4

    EBC

    $7.95
    A worn or incorrect jet size directly impacts fuel atomization and engine response, causing lean stumbles, rich fouling, or flat power delivery across your RPM range. EBC Mikuni-style jets are brass, flow-calibrated replacements engineered to restore...
    10060118
    SKU:
    10060118
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD TYPE:
    HEX HEAD
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    THREAD LENGTH METRIC:
    5.00 MM
    HEAD DIAMETER METRIC:
    6.00 MM
    HEAD LENGTH METRIC:
    6.50 MM
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    UTV
    THREAD PITCH:
    M5,3 X 0,9
    BASE COLOR:
    BRASS
    OVERALL LENGTH METRIC:
    11.50 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    JET SIZE:
    600
    RIDING STYLE:
    SNOW
    TYPE:
    MAIN
    UNITS:
    4 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack SJ155-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack SJ155-4

    EBC

    $11.17
    A properly jetted carburetor is fundamental to consistent performance and reliability, especially in high-demand racing applications. OEM jets wear, clog, or become mismatched during tuning adjustments, leaving you with unpredictable fuel delivery and...
    10060051
    SKU:
    10060051
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    JET SIZE:
    155
    TYPE:
    MAIN
    UNITS:
    4 PACK
    HEAD LENGTH METRIC:
    4.00 MM
    OVERALL DIAMETER METRIC:
    9.00 MM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    THREAD PITCH:
    M5 X 0,75
    FEATURES:
    FOR SJ CARBURETORS
    HEAD DIAMETER METRIC:
    8.00 MM
    HEAD TYPE:
    SLOTTED
    MATERIAL:
    BRASS
    MODEL:
    RD PRECISION
    RIDING STYLE:
    OFF-ROAD
    THREAD LENGTH METRIC:
    5.00 MM
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack SJ160-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack SJ160-4

    EBC

    $11.17
    Carburetor jets wear out, clog, or need sizing adjustments—and when they do, you need precision replacements that won't compromise your fuel mapping. These EBC Mikuni-style jets are flow-calibrated brass components engineered to exacting tolerances,...
    10060053
    SKU:
    10060053
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    8.00 MM
    HEAD LENGTH METRIC:
    4.00 MM
    MODEL:
    RD PRECISION
    THREAD LENGTH METRIC:
    5.00 MM
    FEATURES:
    FOR SJ CARBURETORS
    HEAD TYPE:
    SLOTTED
    MATERIAL:
    BRASS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    JET SIZE:
    160
    RIDING STYLE:
    UTV
    BASE COLOR:
    BRASS
    OVERALL DIAMETER METRIC:
    9.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    THREAD PITCH:
    M5 X 0,75
    TYPE:
    MAIN
    UNITS:
    4 PACK
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ157.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ157.5-4

    EBC

    $11.17
    Carburetor tuning demands precision—even small variations in jet sizing throw off your air-fuel ratio and cost you performance on the track or dyno. These EBC Keihin-style jets are brass-constructed and flow-calibrated to exacting tolerances, giving you...
    10060161
    SKU:
    10060161
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    HEAD TYPE:
    SLOTTED
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    FEATURES:
    FOR KJ CARBURETORS
    RIDING STYLE:
    ATV
    BASE COLOR:
    BRASS
    JET SIZE:
    157.5
    MODEL:
    RD PRECISION
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack CR080-4

    EBC Keihin-Style Carburetor Jet - 4-Pack CR080-4

    EBC

    $11.41
    A lean or rich running condition often indicates worn or improperly sized carburetor jets, which compromise fuel delivery precision and engine performance. EBC Keihin-style jets are flow-calibrated brass replacements that restore accurate fuel metering...
    10060165
    SKU:
    10060165
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    BRASS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    JET SIZE:
    80
    OVERALL LENGTH:
    16,50 MM (0,65')
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    HEAD DIAMETER:
    6,00 MM (0,24')
    HEAD TYPE:
    HEX HEAD
    OVERALL LENGTH IMPERIAL:
    0.65'
    HEAD DIAMETER IMPERIAL:
    0.24'
    HEAD DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH METRIC:
    16.50 MM
    RIDING STYLE:
    UTV
    Qty in Cart: 0
    Quantity:
    Price:
    $11.41
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack CR090-4

    EBC Keihin-Style Carburetor Jet - 4-Pack CR090-4

    EBC

    $11.41
    Carburetor tuning demands precision, and worn or incorrect jets compromise fuel atomization and engine response across your powerband. These EBC brass jets deliver flow-calibrated accuracy to dial in your air-fuel mixture without the guesswork. Whether...
    10060169
    SKU:
    10060169
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER:
    6,00 MM (0,24')
    OVERALL LENGTH IMPERIAL:
    0.65'
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    HEAD DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    ATV
    HEAD TYPE:
    HEX HEAD
    MATERIAL:
    BRASS
    OVERALL LENGTH:
    16,50 MM (0,65')
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    HEAD DIAMETER METRIC:
    6.00 MM
    JET SIZE:
    90
    OVERALL LENGTH METRIC:
    16.50 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    Qty in Cart: 0
    Quantity:
    Price:
    $11.41
    Subtotal:
  • Total: items /

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Buying Guide and FAQs

Buying Guide: Factors to Consider When Choosing Street Bike Carburetor Main Jets

  • Compatibility: Match jets to your bike's make (e.g., Suzuki GSX-R, Honda CBR, Kawasaki ZX, Yamaha R-series) and carburetor type (e.g., Mikuni VM16, HS40, HSR42/45/48, RS, TM, VM29/33 Smoothbores). Use the vehicle selector for year-specific fits to ensure precise metering without performance issues.
  • Type of Use: For high-RPM street or track riding, select main jets (sizes 100-210) for optimized fuel delivery; low-speed/idle tuning benefits from pilot jets (sizes 15-60) in multi-carb setups for smooth response in urban or touring conditions.
  • Components and Upgrades: Choose 4-packs with brass construction, slotted heads for easy adjustment, and OEM-quality specs. Focus on ethanol-resistant materials and precise sizing for tuning fuel mixture, throttle response, and engine efficiency.
  • Brand and Quality: Opt for Mikuni for premium, Japan-made jets or EBC for compatible alternatives. Prioritize brass slotted designs for durability, accurate flow, and longevity in modern fuels.
  • Installation and Cost: Jets are simple to swap with basic tools for DIY tuning; sold in 4-packs for convenience. Prices are $5.20 per pack—consider bulk for multiple sizes and free shipping over $99 for value.

Frequently Asked Questions (FAQs)

  1. What street bike models do these carburetor main jets support? Jets fit models with Mikuni carbs like Suzuki GSX-R, Honda CBR, Kawasaki ZX, and Yamaha R-series—use the year/make/model filter for exact compatibility, especially if stock Mikuni-equipped.
  2. Main jets vs. pilot jets: What's the difference? Main jets (e.g., sizes 100-210) control high-RPM fuel; pilot jets (e.g., sizes 15-60) handle idle/low-speed for smooth acceleration and response.
  3. How do brass jets improve tuning? Slotted brass construction allows easy adjustment, precise metering, and resistance to modern fuels, optimizing mixture for better throttle and performance.
  4. Are these jets sold individually? No, available in 4-packs for convenience in tuning multiple carbs or testing sizes.
  5. What if a jet size doesn't match my bike? Verify carb type and size before buying. Our returns policy allows exchanges or refunds if it doesn't fit.
  6. Can I find related air and fuel parts? Yes—explore rebuild kits, needles, or full carbs in the street bike air and fuel category to complement your jet upgrade for complete tuning.

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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