Re: Is my 4 cyl 50 hp Merc running too hot???

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September 3, 2015 at 2:51 am #23073
steve2manyboats
Participant

    I’ve had a number for these motors and this one runs hotter than the others I’ve had. Plugs look perfect. Used a borescope and the piston wash looks good too. This motor does not have a thermostat, which is why I’m concerned that the temps I measured are so high.

    Would appreciate advice/experiences folks have had with these motors..

    Thanks…Steve2ManyBoas.