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  • Thermostats

    '95 Johnson 175....
    Removed the covers on my thermostats today,
    The center of the starboard thermostat was non-existent.....I could blow through it in both directions.
    The port thermostat looked normal.
    Would one bad thermostat affect the entire motor or just one side?
    I'm going to replace both (actually (4) - twins).....just wondering..

  • #2
    Just one side... BUT... If the thermostat was complete and stuck closed, that side alone would be overheated but of course, in effect, that affects the entire engine.

    Sort of a Catch 22 question you came up with.

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