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Old 07-06-2009, 07:47   #1
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30 Year-Old Diesel

I relize a 30 year old diesel is getting old. However more importantly is the availability of parts.

Anyone know of a Yanmar model that parts are not available ie ie 1979 single cyc 8 hp, faryman 11, unversal.

Or is it just a case by case basis.

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Old 07-06-2009, 08:41   #2
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Faryman Parts are available.

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Old 07-06-2009, 11:52   #3
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European/american engines are more likely to have sufficient spares stock compared to japanese.

The value of keeping such an old engine alive is a trade of between engine hours and maintenance over the period. One of the biggest problems with the marine engine on a sailing boat, is the lack of use! Thus engine hours may be very low, and that would actually make me more suspicious.

An oil analysis after the engine has been working for a few hours will tell a lot about the condition of the engine.
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Old 07-06-2009, 12:30   #4
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I just rebuilt my 31yo YSM8R single 8hp Yanmar with no problem finding parts. I replaced the cylinder sleeve and seals, the piston with rings, the wrist pin and bushing, the main bearings, both valves and guides and the exhaust valve seat. I replaced the oil pump, the injector and the exhuast manifold and elbow a short time ago too. Depending on where you are the suppliers can be good or the pits. I used Laborde in La. and they got me what I needed without any trouble. I am now confidant that my motor will last as long as the boat will..........m
I must go down to the sea again.........
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