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Old 02-27-2018, 03:47 PM   #41
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Just another headsup

I ordered O-Rings from McMaster Carr that match the dimensions of the Yanmar cooler ORings.

I have to say I see no difference in texture or feel. Theses are also Bun-O Rings which are a reputable company. They are spec'd out as a sealing gasket w a hardness of 70A.

These are a 10 for $9.95

Yanmar are 23.00 ea

Just sayin
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Old 03-04-2018, 05:27 PM   #42
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Reinstalled today
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Old 03-04-2018, 05:39 PM   #43
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Moonzy

I note your exhaust elbow appears to have the water addition before the riser break over. Maybe the picture is distorted but that seems worth looking into if it is indeed low on the uphill side.
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Old 03-04-2018, 06:13 PM   #44
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Quote:
Originally Posted by sunchaser View Post
Moonzy

I note your exhaust elbow appears to have the water addition before the riser break over. Maybe the picture is distorted but that seems worth looking into if it is indeed low on the uphill side.
It does from the pic
Ill check it out... This is factory from Albemarle though. Its never been touched so im sure its ok.

But duly noted!
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Old 03-04-2018, 06:23 PM   #45
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You should be aware that the factory- the boat builder, installs the exhaust system not Yanmar and many are marginal. A good exhaust system should have at least 12" of clearance above the water line to the the top of the lower wall of the riser; ie the spill over height. It also should self drain.

Yours may be low and it probably doesn't self drain.

It looks like you have plenty of room to extend the riser upwards. Get some dimensions and post here. You will need the water line clearance and the distance from the top of the riser to the bottom of the engine hatch.

I can help with designing a better exhaust system that solves both problems as I did this on my Mainship Pilot 34.

David
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Old 03-04-2018, 06:42 PM   #46
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Hey David!

Because of you I was able to do this a/cooler job. Thank you!

Ill take you up on that. Let me get some better pics this week and come back to you.


Thanks so much

C
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