Low max RPMs is a common symptom of propulsion problems. In full throttle, the tachometer does not go to the engine’s rated max RPM’s. Please read on for possible problems and troubleshooting options.
Overheating is a common symptom of marine diesel engine blockage. Marine diesels should run at 180 degrees Fahrenheit. When the temperature goes above 200, start getting worried. Dialing down the RPM’s may allow the engine to recover and run well at a more leisurely pace. … Continue reading10 Common Causes Of Marine Diesel Engines Overheating