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  1. K

    How do you tell if Gimble Bearing is going bad?

    Strange new noise in deep low power turns. Loud rumble. I remember once during a lake test our local master merc tech telling me to listen for rumble in turns indicating failing gimble bearing. I am getting this noise now. Could mis aligned engine or side mounts cause same scenario? The...
  2. K

    350 Mag MPI hard to start and weak

    Boat is an 03 cruiser with Mercruiser 350 mag MPI and Bravo 3. The engine starts but only with slight neutral throttle up followed by audible 2 tones soft alarm every minuet or so. I read this is part of Mercury Marine's Engine Guardian System whereby it monitors Low Oil Pressure, High Coolant...
  3. K

    Engine hard to start and audiable horn every minuet

    Our boat is an 03 cruiser with Mercruiser 350 mag MPI and Bravo 3. The engine starts but only with slight neutral throttle up followed by audible 2 tones soft alarm every minuet or so. I read this is part of Mercury Marine's Engine Guardian System whereby it monitors Low Oil Pressure, High...
  4. K

    Low output

    Hi, I've been chasing low alternator output for the second season now. Boat is a 98 Sea Ray 190BR with Mando alternator system I had to replace the alternator two years ago for noisy bearings. Output was fine at the time. I purchased a factory re-manufactured unit from local marine max. (Big...
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