Mallorca #397 has a 1982 Yanmar 2GM raw water cooled, modified with a heat exchanger to be fresh water cooled. So it is not a 2GM(F) but it is fresh water cooled. By all appearences the heat exchanger was installed at the factory along with a hot water tank and pressure water system.

This should give all the answers on the engines:
http://shop.torresen.com/marine_die...le=Yanmar+Marine+Engine+Identification++

David
#397


David Bows
Mallorca - Hull# 397
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