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Old 27-07-2023, 02:36   #1
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Yanmar YSB 12 Parts & Gaskets

Attention Yanmar Marine Diesel YSB12 owners current and past!
(or anyone else who could lend some advice)

I'm looking for where I could get Yanmar parts specifically for the transmission and the exhaust. Gaskets are the big deal on this job I've undertaken, but some of the exhaust parts new or used would be welcomed to get the boat back in the water.

I have some part numbers, would definitely consider aftermarkets that fit.

Many thanks!
-Troy
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Old 27-07-2023, 02:54   #2
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Re: Yanmar YSB 12 Parts & Gaskets

When I rebuilt my YSE8, I hand made all the gaskets except the head gasket.

I used run of the mill gasket paper except for the exhaust gasket where I used exhaust gasket material.

I can't remember the thickness but I guess it was 20 or 40 thou. The exhaust gasket material was thicker of course.

A small ball peen hammer, 8 & 10 mm wad punches, good scissors (or box cutter) make the job easier.
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Old 27-07-2023, 17:01   #3
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Re: Yanmar YSB 12 Parts & Gaskets

Thanks! it may well be the route I'd need to go!
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Old 27-07-2023, 17:11   #4
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Re: Yanmar YSB 12 Parts & Gaskets

Try the Boathouse in Montreal.

https://www.boathouse.ca/ys-1?catego...2-5d5145e3ca1b

If you send me the part #'s I can pass by tommorow.
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Old 31-07-2023, 07:00   #5
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Re: Yanmar YSB 12 Parts & Gaskets

Sorry I missed your reply, apparently I was offline and didn't know it.

Thank for the kind offer - figures it would be coming from Montreal one of my favorite cities in the world.

If you happen to go by again, the critical ones are:
Yanmar, Exhaust Elbow, 104511-13070
The gasket for the same: part# 104500-13201

Meanwhile, I'm going to figure out how this site can refresh automatically or send notifications to email when you get a new msg...

Cheers!
-Troy
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Old 31-07-2023, 07:40   #6
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Re: Yanmar YSB 12 Parts & Gaskets

Quote:
Originally Posted by Troy H2O View Post
Sorry I missed your reply, apparently I was offline and didn't know it.

Thank for the kind offer - figures it would be coming from Montreal one of my favorite cities in the world.

If you happen to go by again, the critical ones are:
Yanmar, Exhaust Elbow, 104511-13070
The gasket for the same: part# 104500-13201

Meanwhile, I'm going to figure out how this site can refresh automatically or send notifications to email when you get a new msg...

Cheers!
-Troy
Got it.

I will let you know by end of business day.

NB.
You could try this places as well:

https://diesel-bec.com/en/

https://www.solutiondiesel.ca/

The first one is a pretty big outfit.

The second one is near as well but they don't provide an address
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Old 31-07-2023, 08:17   #7
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Re: Yanmar YSB 12 Parts & Gaskets

Quote:
Originally Posted by 5BTM View Post
Got it.

I will let you know by end of business day.

NB.
You could try this places as well:

https://diesel-bec.com/en/

https://www.solutiondiesel.ca/

The first one is a pretty big outfit.

The second one is near as well but they don't provide an address


Thanks! Much aprreciated.
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Old 31-07-2023, 08:29   #8
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Re: Yanmar YSB 12 Parts & Gaskets

Quote:
Originally Posted by Troy H2O View Post
Thanks! Much aprreciated.
That is: Thanks! Much Appreciated

(I'll have to work on the spell check skills, too).

-Troy
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Old 31-07-2023, 15:11   #9
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Re: Yanmar YSB 12 Parts & Gaskets

Sorry, forgot that the Boathouse is closed on Mondays.
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Old 31-07-2023, 16:17   #10
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Re: Yanmar YSB 12 Parts & Gaskets

i ordered some parts from an outfit on Alibaba called "Sunity" (https://sunity.en.alibaba.com/) for my YSB8. it took quite a few back-and-forth messages to order the correct parts (tl;dr - just send them the part numbers from the get-go), and then i had to wait out one of those country-wide holidays, but once they finally shipped i got them fairly quickly.


i got an injection pump, HP fuel line, precombustion chamber, and some various gaskets. the injection pump, chamber and fuel line were great and i have about fifty hours on them; unfortunately the gaskets they sent were marginal and i ended up cutting my own from gasket sheet stock. i also ordered a set of shims for the fuel pump but what was delivered was so thick they were completely unusable. the savings over yanmar prices were significant even with the gaskets i threw away.



the YSB, YSE, YSM motors are based on a farm utility engine designed to run pumps, generators, tractors and the like. yanmar sold them in great quantity for decades. the rebuild parts like the piston & sleeve, rod & rod bearing, injector, injection pump are all available and likely will be for quite a while longer.



there is a fair amount of video available on youtube of rebuilding these and related TS and TF series motors.
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Old 31-07-2023, 16:48   #11
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Re: Yanmar YSB 12 Parts & Gaskets

Quote:
Originally Posted by 5BTM View Post
Sorry, forgot that the Boathouse is closed on Mondays.
No prob., if they don't happen to have the exhaust elbow and gasket maybe they could give some clues on where to procure them in North America.

I'm now checking with an outfit out of Europe that has one in stock. Despite being closer to me than some other points in North America the freight charges are a real kick in the wallet!

-Troy
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Old 01-08-2023, 08:12   #12
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Re: Yanmar YSB 12 Parts & Gaskets

Quote:
Originally Posted by Troy H2O View Post
No prob., if they don't happen to have the exhaust elbow and gasket maybe they could give some clues on where to procure them in North America.

I'm now checking with an outfit out of Europe that has one in stock. Despite being closer to me than some other points in North America the freight charges are a real kick in the wallet!

-Troy
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