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Recent content by Jean1899

  1. J

    MerCruiser 228 V8 305 - Overheating Issue

    I installed a transparent hose into the cooling system. At idle, only a few air bubbles are visible, but when running at around 3000 RPM, the bubbles increase significantly.
  2. J

    MerCruiser 228 V8 305 - Overheating Issue

    The boat has only been operated in freshwater. When I replaced the impeller, no parts were missing or damaged – the old impeller was completely intact. I haven’t yet checked the water flow right after the power steering cooler. The hose from the lower unit to the transom assembly appears to be...
  3. J

    MerCruiser 228 V8 305 - Overheating Issue

    Hello everyone, Since last year, I've been struggling with an overheating issue on my MerCruiser 228 V8 (5.0 liter). During one trip, the engine suddenly overheated—90°C (194°F)—without any prior warning. Since then, the problem keeps recurring. Parts that have already been checked or...
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