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Yanmar 1GM10
"scott" jsodellatgmail.com wrote in
: It's a tough little 3GM30F which ran pretty well for many many hours with an unrevealed slightly leaky gasket which finally got worse enough to overheat while motorsailing into a headwind off Canaveral last January. The increasingly leaky head gasket (between cylinders 2&3 & the pushrod gallery) started venting into the freshwater cooling side and blowing water out and also deposited unburnt fuel or lube oil into the remaining coolant. Messy -- and the low water level resulted in loss of cooling efficiency. Sailed the rest of the way to Ft. Pierce, planed the head, ground the valves, put her back together with a new gasket and now she starts *instantly* and runs like a charm. The only prior symptom was slow starting when cold. More of the gory details plus some photos are probably still in the archives at that www.yanmarhelp.com site. They really are great engines. Sorry you lost the gasket. When I worked at Charleston Naval Shipyard, may she rest in peace, a painting contractor had a little Yanmar all covered in paint driving a paint pump to a whole bunch of spray nozzles up the side of our big building. It was so covered I could hardly identify it! Cooling water came from a garden hose from the building's water supply and the exhaust just spit it out on the street after cooling the header and waterbox muffler. I asked one of the painters how much trouble they'd had with the little Yanmar. He said, curtly, "None that I know of and I've been painting here for years. We just change the oil in it after every job, about once a month." It seems no other maintenance was necessary...(c; He estimated it had over 10,000 hours on it as it runs 26 days a month, every month, only resting as they moved it to a new contract overnight....24 hours a day on 3 shifts! I want a Yanmar 36hp outboard motor on a nice, long aluminum boat with a center console and wide beam for the river, myself. A Yanmar outboard costs about the same as a Mercedes-Benz E-class from an MB dealer...dammit. They cost so much Yanmar dealers in the states don't have them! |
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