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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 Keihin Slot Carburetor Jet Kit KJK30

    EBC Keihin Slot Carburetor Jet Kit KJK30

    EBC

    $341.91
    Carburetor tuning directly impacts fuel atomization, throttle response, and overall engine performance—and it all hinges on precise jet sizing. The EBC Keihin Slot Carburetor Jet Kit KJK30 delivers flow-calibrated brass jets that replace worn or...
    10060015
    SKU:
    10060015
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    PRODUCT NAME:
    MAIN JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    FEATURES:
    FOR CR CARBURETORS
    HEAD TYPE:
    SLOTTED
    JET SIZE:
    80 - 190
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    KEIHIN
    UNITS:
    KIT
    MATERIAL:
    BRASS
    MODEL:
    A-BEX PRECISION
    $341.91
    Qty in Cart: 0
    Quantity:
    Price:
    $341.91
    Subtotal:
  • EBC Keihin Hex Carburetor Jet Kit CRK32B

    EBC Keihin Hex Carburetor Jet Kit CRK32B

    EBC

    $158.96
    Getting your Keihin carburetor tuned to peak performance requires precision fuel metering, and OEM jets often don't account for modifications, altitude changes, or fuel quality variations. The EBC Keihin Hex Carburetor Jet Kit CRK32B delivers multiple...
    10060017
    SKU:
    10060017
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    FEATURES:
    FOR CR CARBURETORS
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    HEAD TYPE:
    HEX HEAD
    JET SIZE:
    160 - 235
    MATERIAL:
    BRASS
    PRODUCT NAME:
    MAIN JET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    KEIHIN
    UNITS:
    KIT
    MODEL:
    A-BEX PRECISION
    RIDING STYLE:
    ATV
    $158.96
    Qty in Cart: 0
    Quantity:
    Price:
    $158.96
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack SJ72.5-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack SJ72.5-4

    EBC

    $11.17
    Carburetor tuning demands precision, and worn or incorrectly sized jets directly impact fuel delivery, throttle response, and engine performance. These EBC Mikuni-style jets are brass-constructed and flow-calibrated to exacting tolerances, ensuring...
    10060018
    SKU:
    10060018
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR SJ CARBURETORS
    HEAD TYPE:
    SLOTTED
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    HEAD DIAMETER METRIC:
    8.00 MM
    HEAD LENGTH METRIC:
    4.00 MM
    OVERALL DIAMETER METRIC:
    9.00 MM
    RIDING STYLE:
    SNOW
    THREAD LENGTH METRIC:
    5.00 MM
    UNITS:
    4 PACK
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    THREAD PITCH:
    M5 X 0,75
    TYPE:
    MAIN
    JET SIZE:
    72.5
    RIDING STYLE:
    ATV
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack SJ75-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack SJ75-4

    EBC

    $10.97
    A carburetor's fuel delivery precision depends entirely on jet calibration—and worn or incorrect jets lead to lean/rich conditions that compromise engine performance and reliability. The EBC Mikuni-Style Carburetor Jet delivers flow-calibrated brass...
    10060019
    SKU:
    10060019
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD TYPE:
    SLOTTED
    PRODUCT NAME:
    JET
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    BASE COLOR:
    BRASS
    JET SIZE:
    75
    MODEL:
    RD PRECISION
    RIDING STYLE:
    STREET
    THREAD PITCH:
    M5 X 0,75
    TYPE:
    MAIN
    FEATURES:
    FOR SJ CARBURETORS
    HEAD DIAMETER METRIC:
    8.00 MM
    HEAD LENGTH METRIC:
    4.00 MM
    MATERIAL:
    BRASS
    OVERALL DIAMETER METRIC:
    9.00 MM
    RIDING STYLE:
    SNOW
    THREAD LENGTH METRIC:
    5.00 MM
    UNITS:
    4 PACK
    RIDING STYLE:
    ATV
    Qty in Cart: 0
    Quantity:
    Price:
    $10.97
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ115-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ115-4

    EBC

    $11.17
    Carburetor tuning requires precision fuel metering, and worn or mismatched jets rob your engine of consistent performance and throttle response. EBC's Mikuni-style jets are flow-calibrated brass replacements that restore accurate fuel delivery without...
    10060061
    SKU:
    10060061
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD TYPE:
    HEX HEAD
    JET SIZE:
    115
    MATERIAL:
    BRASS
    OVERALL LENGTH METRIC:
    11.50 MM
    RIDING STYLE:
    OFF-ROAD
    HEAD DIAMETER METRIC:
    6.00 MM
    HEAD LENGTH METRIC:
    6.50 MM
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    THREAD LENGTH METRIC:
    5.00 MM
    THREAD PITCH:
    M5,3 X 0,9
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ120-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ120-4

    EBC

    $11.17
    Carburetor tuning demands precision, and worn or incorrect jets compromise fuel atomization and engine response across your RPM band. These brass jets are flow-calibrated to exact specifications, ensuring repeatable fuel delivery when you're dialing in...
    10060062
    SKU:
    10060062
    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
    OVERALL LENGTH METRIC:
    11.50 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    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
    JET SIZE:
    120
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ125-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ125-4

    EBC

    $11.17
    Carburetor tuning demands precision, and worn or incorrect jets compromise both performance and fuel efficiency. The EBC Mikuni-Style Carburetor Jet 4-Pack delivers flow-calibrated brass construction that restores accurate fuel metering across your...
    10060063
    SKU:
    10060063
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BRASS
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    JET SIZE:
    125
    OVERALL LENGTH METRIC:
    11.50 MM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    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
    HEAD TYPE:
    HEX HEAD
    MATERIAL:
    BRASS
    THREAD LENGTH METRIC:
    5.00 MM
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ130-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ130-4

    EBC

    $11.17
    Carburetor jetting is the foundation of precise fuel delivery and engine performance—get it wrong, and you're dealing with lean running conditions, hesitation, or wasted fuel. These EBC Mikuni-style jets are flow-calibrated brass replacements engineered...
    10060064
    SKU:
    10060064
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BRASS
    HEAD DIAMETER METRIC:
    6.00 MM
    JET SIZE:
    130
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    HEAD LENGTH METRIC:
    6.50 MM
    RIDING STYLE:
    UTV
    THREAD PITCH:
    M5,3 X 0,9
    TYPE:
    MAIN
    MATERIAL:
    BRASS
    OVERALL LENGTH METRIC:
    11.50 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    4 PACK
    HEAD TYPE:
    HEX HEAD
    RIDING STYLE:
    ATV
    THREAD LENGTH METRIC:
    5.00 MM
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Mikuni-Style Carburetor Jet - 4-Pack HJ135-4

    EBC Mikuni-Style Carburetor Jet - 4-Pack HJ135-4

    EBC

    $11.17
    Carburetor jets wear out and accumulate debris over time, degrading fuel atomization and engine response. These brass EBC replacement jets restore precise fuel metering and consistent performance across your RPM range. With flow-calibrated accuracy,...
    10060065
    SKU:
    10060065
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BRASS
    HEAD DIAMETER METRIC:
    6.00 MM
    OVERALL DIAMETER METRIC:
    6.00 MM
    OVERALL LENGTH METRIC:
    11.50 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    THREAD PITCH:
    M5,3 X 0,9
    HEAD TYPE:
    HEX HEAD
    JET SIZE:
    135
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    THREAD LENGTH METRIC:
    5.00 MM
    UNITS:
    4 PACK
    TYPE:
    MAIN
    HEAD LENGTH METRIC:
    6.50 MM
    RIDING STYLE:
    ATV
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ115-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ115-4

    EBC

    $11.17
    Precision carburetor tuning starts with accurate fuel metering, and worn or incorrect jets compromise both performance and drivability. These EBC Keihin-style brass jets deliver flow-calibrated precision to dial in your air-fuel ratio exactly where it...
    10060144
    SKU:
    10060144
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    HEAD TYPE:
    SLOTTED
    JET SIZE:
    115
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    FEATURES:
    FOR KJ CARBURETORS
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    ATV
    MATERIAL:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ120-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ120-4

    EBC

    $11.17
    Precise carburetor tuning starts with quality jets, and these EBC Keihin-style replacements deliver the flow accuracy your engine needs to run clean and responsive across the RPM range. Whether you're dialing in a carbureted engine for street or track...
    10060146
    SKU:
    10060146
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    HEAD TYPE:
    SLOTTED
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    FEATURES:
    FOR KJ CARBURETORS
    JET SIZE:
    120
    TYPE:
    MAIN
    UNITS:
    4 PACK
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    SNOW
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ125-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ125-4

    EBC

    $11.17
    Precision fuel delivery is non-negotiable when tuning a carburetor for consistent performance across varying conditions. These EBC Keihin-style jets are flow-calibrated brass replacements that restore or customize your fuel mapping without the original...
    10060148
    SKU:
    10060148
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    UTV
    BASE COLOR:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    MATERIAL:
    BRASS
    MODEL:
    RD PRECISION
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    FOR KJ CARBURETORS
    HEAD TYPE:
    SLOTTED
    JET SIZE:
    125
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ127.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ127.5-4

    EBC

    $11.17
    Precision fuel delivery is non-negotiable when tuning a carbureted engine, and jet sizing directly impacts your air-fuel ratio across the rpm range. These EBC Keihin-style jets are brass, flow-calibrated replacements that restore accurate metering when...
    10060149
    SKU:
    10060149
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR KJ CARBURETORS
    HEAD TYPE:
    SLOTTED
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    4 PACK
    BASE COLOR:
    BRASS
    JET SIZE:
    127.5
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    ATV
    MODEL:
    RD PRECISION
    TYPE:
    MAIN
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ132.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ132.5-4

    EBC

    $11.17
    Carburetor tuning demands precision, and worn or incorrect jets compromise both fuel economy and throttle response. EBC Keihin-Style jets deliver flow-calibrated accuracy to dial in your air-fuel mixture exactly where it needs to be. Whether you're...
    10060151
    SKU:
    10060151
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    FOR KJ CARBURETORS
    JET SIZE:
    132.5
    MATERIAL:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    ATV
    HEAD TYPE:
    SLOTTED
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    TYPE:
    MAIN
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ135-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ135-4

    EBC

    $11.17
    Precise fuel metering is the foundation of carburetor tuning, and worn or mismatched jets compromise both drivability and performance. These EBC Keihin-style brass jets deliver flow-calibrated accuracy for consistent fuel delivery across your engine's...
    10060152
    SKU:
    10060152
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    FEATURES:
    FOR KJ CARBURETORS
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    ATV
    HEAD TYPE:
    SLOTTED
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    JET SIZE:
    135
    MATERIAL:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ137.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ137.5-4

    EBC

    $11.17
    Carburetor tuning demands precision—and OEM jets often don't account for modifications, altitude changes, or fuel system upgrades. These EBC Keihin-style jets deliver flow-calibrated accuracy for consistent fuel metering across the RPM range, giving you...
    10060153
    SKU:
    10060153
    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:
    137.5
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    JET
    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 KJ140-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ140-4

    EBC

    $11.17
    Precision fuel delivery is the foundation of carburetor tuning, and worn or incorrect jets will leave performance on the table. These EBC brass jets are flow-calibrated to exacting tolerances, ensuring your fuel-air mixture stays dialed in across the...
    10060154
    SKU:
    10060154
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    UTV
    MODEL:
    RD PRECISION
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    ATV
    FEATURES:
    FOR KJ CARBURETORS
    HEAD TYPE:
    SLOTTED
    JET SIZE:
    140
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    4 PACK
    TYPE:
    MAIN
    BASE COLOR:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    OVERALL DIAMETER METRIC:
    6.00 MM
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ145-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ145-4

    EBC

    $11.17
    Carburetor tuning hinges on jet precision, and worn or incorrect jets will leave performance on the table. These EBC Keihin-style jets deliver flow-calibrated accuracy at a fraction of OEM cost, making them essential for any carb rebuild or mid-season...
    10060156
    SKU:
    10060156
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    BRASS
    FEATURES:
    FOR KJ CARBURETORS
    HEAD TYPE:
    SLOTTED
    JET SIZE:
    145
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    OVERALL DIAMETER IMPERIAL:
    0.24'
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    UTV
    MODEL:
    RD PRECISION
    BASE COLOR:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    PRODUCT NAME:
    JET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    UNITS:
    4 PACK
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ147.5-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ147.5-4

    EBC

    $11.17
    Precision fuel delivery is non-negotiable when tuning a carbureted engine—even slight deviations in jet sizing can throw off your air-fuel ratio and cost you power or reliability. The EBC Keihin-Style Carburetor Jet delivers flow-calibrated brass...
    10060157
    SKU:
    10060157
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    BRASS
    OVERALL DIAMETER:
    6,00 MM (0,24')
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    TYPE:
    MAIN
    HEAD TYPE:
    SLOTTED
    OVERALL DIAMETER METRIC:
    6.00 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    FEATURES:
    FOR KJ CARBURETORS
    JET SIZE:
    147.5
    RIDING STYLE:
    ATV
    OVERALL DIAMETER IMPERIAL:
    0.24'
    RIDING STYLE:
    SNOW
    UNITS:
    4 PACK
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    Subtotal:
  • EBC Keihin-Style Carburetor Jet - 4-Pack KJ150-4

    EBC Keihin-Style Carburetor Jet - 4-Pack KJ150-4

    EBC

    $11.17
    Getting the air-fuel mixture dialed in is essential for consistent performance, whether you're tuning a carburetor from scratch or replacing a worn jet. EBC Keihin-style jets deliver precision flow calibration that meets OEM specifications without the...
    10060158
    SKU:
    10060158
    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
    HEAD TYPE:
    SLOTTED
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    FEATURES:
    FOR KJ CARBURETORS
    JET SIZE:
    150
    TYPE:
    MAIN
    UNITS:
    4 PACK
    BASE COLOR:
    BRASS
    MODEL:
    RD PRECISION
    PRODUCT NAME:
    JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    $11.17
    Qty in Cart: 0
    Quantity:
    Price:
    $11.17
    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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