2gm20f

Hey everyone, I have my first diesel - a yanmar 2GM20F. Yesterday the exhaust stopped producing water and the WC Alarm sounded within minutes of starting the engine before I even got out of the marina. I brought her back into the slip immediately and here's what I observed: The Coolant...

Hello Forum, I am a newbie - just bought a '79 Catalina 27'. The original engine was a Petters (sp?) and it currently has a Yanmar 2GM20F inboard diesel. I've heard the engine is worth more than the boat. Ha! At any rate, I have scoured the web, and am not finding any kind of a simple...

Hello, I recently removed the heat exchanger core from my engine. There is a regular groove on one end. Should there be one? I don't see it in the diagram. Does it go on the front or the back? Thanks