Join Date: Jun 2004
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Rep Power: 16
which engine for repowering?
Nice to see a D50 (45 HP) is still alive. I used to be servicemanager in Norway for BMW Marine back i the 80''s. The engine to replace it with depends a lot of what kind of boat and spcially how you use the engine.If the main use is "idling" for batterycharging, cooling, in/out harbour maneuvering - go for a no-turbo engine. The Yanmar 4-syl are nice ones and seems to be running "for ever". The Volvos are running to - from time to time, if you like a camouflaged Perkins! Whatever you put in, be sure it is a brand that has a reputation of being properly "sealed" and not swetting oil!
You even have to considder rpm/gear-ratio and prop-size! If you do not get that right the change is a waste.