Cold start valves

Find the right cold start valves for your carburetor-based fuel system at starmoto.eu. These parts are essential for reliable engine starting, especially in cold conditions, ensuring the correct fuel mixture when you first fire up your motorcycle or powersport vehicle.

Our selection covers a range of carburetor cold start and choke valves, designed to restore proper function and improve overall drivability. Replacing worn or leaking valves can help reduce hard starts, unstable idle and excessive fuel consumption.

Choose cold start valves that match your carburetor type and engine setup, and combine them with other fuel and vacuum system parts from our catalog for a complete service. If you are refreshing an older bike or troubleshooting starting issues, a new valve is a simple, cost-effective upgrade.

  • Quality components for reliable cold starting
  • Compatible with a wide range of carburetor models
  • Ideal for maintenance, repair and restoration projects

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    Main jet 101 OCTANE 101 for Dellorto carburetor 5mm 058
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE 101 5mm 060 for Dellorto carburetor
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet 101 OCTANE 101 5mm 062 for Dellorto carburetor
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE 068 for Dellorto carburetor 5mm
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE 5mm 072 for Dellorto carburetor
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet 101 OCTANE 078 for Dellorto carburetor M5 5mm
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet 101 OCTANE 101 5mm 080
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE 101 Dellorto M5 size 82
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet 101 OCTANE Dellorto 5mm size 84
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet 101 OCTANE 101 Dellorto 5mm size 86
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet 101 OCTANE 101 5mm 098
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE 101 for Dellorto carburetor 5mm 105
    Special Price €2.30 Regular Price €2.85 -19%
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    • 1-2 business days
    • In the Tallinn store
    main jet 101 OCTANE 5mm 106 for Dellorto carburetormain jet 101 OCTANE 5mm 106 for Dellorto carburetor
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    • In the Tallinn store
    main jet 101 OCTANE 5mm 106 for Dellorto carburetor
    Special Price €2.30 Regular Price €2.85 -19%
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    • 4-9 business days
    main jet 101 OCTANE 101 5mm 108
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE Dellorto 5mm 110
    Special Price €2.30 Regular Price €2.85 -19%
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    • 1-2 business days
    • In the Tallinn store
    Main jet 101 OCTANE 5mm 112 for Dellorto carburetorMain jet 101 OCTANE 5mm 112 for Dellorto carburetor
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    • In the Tallinn store
    Main jet 101 OCTANE 5mm 112 for Dellorto carburetor
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE Dellorto 5mm 114
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE 5mm 124
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet set NARAKU M5 80-98 - 10 pcs
    Special Price €17.50 Regular Price €21.50 -19%
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    Main jet set NARAKU for Dellorto carburetor M5 90-110, 10 pcs
    Special Price €16.50 Regular Price €20.50 -20%
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    • 1-2 business days
    • In the Tallinn store
    Main jet set NARAKU M5 for PWK carburetor 160-178Main jet set NARAKU M5 for PWK carburetor 160-178
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    • In the Tallinn store
    Main jet set NARAKU M5 for PWK carburetor 160-178
    Special Price €16.50 Regular Price €20.50 -20%
    • Sale
    • 1-2 business days
    • In the Tallinn store
    Main jet 101 OCTANE 101 for Dellorto carburetor 5mm 040Main jet 101 OCTANE 101 for Dellorto carburetor 5mm 040
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    • In the Tallinn store
    Main jet 101 OCTANE 101 for Dellorto carburetor 5mm 040
    Special Price €2.20 Regular Price €2.75 -20%
    • Sale
    • 4-9 business days
    main jet 101 OCTANE 101 for Dellorto carburetor 5mm 042
    Special Price €2.30 Regular Price €2.85 -19%
    • Sale
    • 1-2 business days
    • In the Tallinn store
    Main jet 101 OCTANE 101 for Dellorto carburetor 5mm 044Main jet 101 OCTANE 101 for Dellorto carburetor 5mm 044
    • Sale
    • 1-2 business days
    • In the Tallinn store
    Main jet 101 OCTANE 101 for Dellorto carburetor 5mm 044
    Special Price €2.20 Regular Price €2.75 -20%
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    • 4-9 business days
    Main jet 101 OCTANE for Dellorto carburetor 5mm 048
    Special Price €2.30 Regular Price €2.85 -19%
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    Main jet 101 OCTANE 5mm 052 for Dellorto carburetor
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet 101 OCTANE 101 5mm 056 for Dellorto carburetor
    Special Price €2.30 Regular Price €2.85 -19%
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    main jet set POLINI for Dellorto carburetor 5mm, size 90-99
    Special Price €19.50 Regular Price €24.50 -20%
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    main jet set POLINI for Dellorto carburetor 5mm sizes 100-109
    Special Price €19.50 Regular Price €24.50 -20%
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    main jet set POLINI for Dellorto carburetor 5mm 110-128
    Special Price €20.50 Regular Price €26.00 -21%
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    • 1-2 business days
    • In the Tallinn store
    Carburetor main jet 101 OCTANE Keihin M5 - 100Carburetor main jet 101 OCTANE Keihin M5 - 100
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    • 1-2 business days
    • In the Tallinn store
    Carburetor main jet 101 OCTANE Keihin M5 - 100
    Special Price €2.30 Regular Price €2.85 -19%
    • Sale
    • 1-2 business days
    • In the Tallinn store
    Carburetor main jet 101 OCTANE Keihin M5 - 105Carburetor main jet 101 OCTANE Keihin M5 - 105
    • Sale
    • 1-2 business days
    • In the Tallinn store
    Carburetor main jet 101 OCTANE Keihin M5 - 105
    Special Price €2.30 Regular Price €2.85 -19%
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    • 1-2 business days
    • In the Tallinn store
    Carburetor main jet 101 OCTANE M5 - 110Carburetor main jet 101 OCTANE M5 - 110
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    • In the Tallinn store
    Carburetor main jet 101 OCTANE M5 - 110
    Special Price €2.30 Regular Price €2.85 -19%
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    • 1-2 business days
    • In the Tallinn store
    carburetor main jet 101 OCTANE M5 - 115carburetor main jet 101 OCTANE M5 - 115
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    • 1-2 business days
    • In the Tallinn store
    carburetor main jet 101 OCTANE M5 - 115
    Special Price €2.30 Regular Price €2.85 -19%
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    • 1-2 business days
    • In the Tallinn store
    carburetor main jet 101 OCTANE 101 for Keihin M5 - 120carburetor main jet 101 OCTANE 101 for Keihin M5 - 120
    • Sale
    • 1-2 business days
    • In the Tallinn store
    carburetor main jet 101 OCTANE 101 for Keihin M5 - 120
    Special Price €2.00 Regular Price €2.50 -20%
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    • 1-2 business days
    • In the Tallinn store
    carburetor main jet 101 OCTANE M5 125carburetor main jet 101 OCTANE M5 125
    • Sale
    • 1-2 business days
    • In the Tallinn store
    carburetor main jet 101 OCTANE M5 125
    Special Price €2.30 Regular Price €2.85 -19%
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