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Old 18-02-2013, 17:07   #1
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yanmar saildrives

I have a 20 yr. old Ericson 38. Am looking at a junneau with a 29hp yanmar saildrive. I have heard that the zincs for these are very $$ and require removing the prop to install ?? Also the oil filter is on the side of the engine and looks difficult to get at. Any comments?
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Old 18-02-2013, 17:39   #2
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Re: yanmar saildrives

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Originally Posted by pagmd View Post
I have a 20 yr. old Ericson 38. Am looking at a junneau with a 29hp yanmar saildrive. I have heard that the zincs for these are very $$ and require removing the prop to install ?? Also the oil filter is on the side of the engine and looks difficult to get at. Any comments?
Looks like you can buy a split zinc for the saildrive so you do not have to remove the prop.

The oil filter is on the side just like my Volvo Penta 30 hp and mine is very easy to change.

These Yanmar 29 hp with saildrive pictures may help also.
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Old 18-02-2013, 17:39   #3
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Re: yanmar saildrives

Welcome aboard!
Have 28 year old Yanmar 3GMC (the C indicates connected to saildrive) and SD20 saildrive. You, most likely, are talking about a SD20 saildrive.
For a number of years Yanmar has made a 2 piece zinc, which
you do not have to remove prop to install. Zincs also can be installed while boat is in water. Cost for the 2 piece zinc runs
around $50. There is an additional zinc inside the saildrive upper
portion, inexpensive and easily installed depending on your individual access.
My oil filter is on the side of the engine and easily accessed, again depends on your individial install.
Topic comes up regarding changing saildrive gear oil, as the SD20 is only drained from the bottom of the saildrive leg.
As I am in the northeast US and haul every year this is not an issue for me. Know that many owners of saildrives do not change gear oil every year, depending on usage.
Hope this helps.
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Old 18-02-2013, 17:55   #4
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Re: yanmar saildrives


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