Engine overheating

Discussion in 'UK Motorcycles' started by Brum, Oct 17, 2005.

  1. Brum

    Brum Guest

    Hi to all,

    I'm italian so sorry for my english...
    I don't know where to post my problem. On italian forum seems that no
    one can help me to find the
    solution :(


    So my problem on GPZ500s:


    - all seems ok at low speed or during idle (fan works and temperature
    is ok in this conditions)
    - Using the engine at high performace (during 5-6 Km) I have always
    Overheating problems.


    So I have change an Thermostat valve but the problem persist.


    So where I can search my problem? Fuel/air mixture problem?


    Any suggestion will be appreciate.


    Thanks in advance


    Stefano


    - Additional details


    15000 Km on the bike
    Cooling system flushed
    Coolant renewed
    Coolant level ok
    Radiator fins ok
    removing radiator cap collant pressure seems ok
     
    Brum, Oct 17, 2005
    #1

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  2. Brum

    tallbloke Guest

    @g14g2000cwa.googlegroups.com:


    Hi Stefano. Sounds like an inefficient pump to me. See if you can replace the
    pump rotor.
     
    tallbloke, Oct 18, 2005
    #2

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  3. Brum

    Brum Guest

    I have never watch this part... So thanks you I will check it!

    Stefano!
     
    Brum, Oct 18, 2005
    #3

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