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Old 31-10-2019, 00:36   #1
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Yanmar parts manual - what does I and R stand for.

The last columns in the Yanmar parts manual for the 4JH3 engines are labeled I and R. What do they mean?
An example for the freshwater pump is below.
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Old 31-10-2019, 00:47   #2
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Re: Yanmar parts manual - what does I and R stand for.

At the beginning of the manual there should be an explanation. It concerns Interchangeability and Remarks. Best to check if you find the explanation in the manual, a bit involved to repeat here.
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Old 31-10-2019, 01:08   #3
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Re: Yanmar parts manual - what does I and R stand for.

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Originally Posted by HeinSdL View Post
At the beginning of the manual there should be an explanation. It concerns Interchangeability and Remarks. Best to check if you find the explanation in the manual, a bit involved to repeat here.
It is not mentioned in the key at the beginning of the manual I have. That's why I asked.
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Old 31-10-2019, 01:40   #4
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Re: Yanmar parts manual - what does I and R stand for.

I attached the relevant page out of a manual, I would say that has the answers you are looking for. (btw, how can I attach an image to this message ?)
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Old 31-10-2019, 01:41   #5
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Re: Yanmar parts manual - what does I and R stand for.

(OK, I see the image already, I didn't realise an uploaded file is shown as a Thumbnail.)
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Old 31-10-2019, 02:53   #6
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Re: Yanmar parts manual - what does I and R stand for.

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Originally Posted by HeinSdL View Post
I attached the relevant page out of a manual, I would say that has the answers you are looking for. (btw, how can I attach an image to this message ?)
Thanks. The key you displayed is not in the parts manual I downloaded.
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Old 31-10-2019, 03:04   #7
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Re: Yanmar parts manual - what does I and R stand for.

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Thanks. The key you displayed is not in the parts manual I downloaded.
It's not something that I see mentioned widely either in the various manuals so be careful that this explanation does indeed apply to your manual too. I would be very surprised if the screenshot I sent is inconsistent with the manual you are using though.
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Old 31-10-2019, 09:05   #8
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Re: Yanmar parts manual - what does I and R stand for.

In your case the R stands for remarks. It's telling you that the part number
was changed after serial # E25450. The new number for the freshwater should
be 129470-42002
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Old 31-10-2019, 13:01   #9
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Re: Yanmar parts manual - what does I and R stand for.

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In your case the R stands for remarks. It's telling you that the part number
was changed after serial # E25450. The new number for the freshwater should
be 129470-42002
Are you sure? I would suggest the R in the column headed I means the old and new parts are interchangeable. In the example in the OP there are no remarks.
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