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Old 15-12-2015, 16:01   #1
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Yanmar 31 saildrives

What is the general opinion of the durability of these drives? Known problems? (model D 31)
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Old 16-12-2015, 08:31   #2
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Re: Yanmar 31 saildrives

If I remember correctly, the SD30/31 were the larger version of the SD20.

If so, then they use a dog clutch instead of the problematic cone clutch, and should be a very robust drive - as is the SD20.


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