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I have a 1996 Sea Ray with a Mercruiser MCM 5.7L. I have been troubleshooting the temperature by following this guide (https://itstillruns.com/test-water-t...t-7949115.html) because my temperature gauge is essentially stuck on ~190'F. It does not change when the engine is on before or after warm...
I have a 1996 Mercruiser 5.7L (SN# 0F774677) attached to a SeaRay 190 Bow Rider. The water temperature is reading way too hot and does not seem to move once the engine is turned on. Before the engine is warmed up it heads up to 180'F. Infrared reading on the thermostat housing read 125' at...
Hey everyone, I have been lurking around the forum using some guides and reading up on a project boat I came into possession of. It is a 1968 Larson All American, the motor/outdrive is a 120 Mercruiser with a 1964-1989 Mercury 2.5L MC-1. The serial number plate was missing when I received it but...
