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1989 40hp 3 cylinder cooling system

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  • 1989 40hp 3 cylinder cooling system

    I have replaced impeller and thermostat - motor runs fine but is producing steam/mist out the exhaust - excellent water telltale and water warm but not too hot -any ideas?

  • #2
    That is ok as long as the engine is not getting hot.
    Regards
    Boats.net
    Yamaha Outboard Parts

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