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Old January 17th 05, 09:36 PM
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Default Westerbeke "L-25" engine parts etc

I'm about to rebuild a Westerbeke L-25. I'd like to know where the
alternate parts supplier you mentioned below is.


Bryon Kass wrote:
David Bagby wrote:

"eric r. galant" wrote:

I am looking for a good place to order/buy engine parts for a

"L-25", about 1977-1978.

I usually had to order parts thru my local westerbeke dealer -
painful. If you are talking about any serious amount of work (like

rebuild) on an L-25, I'd suggest seriously looking at replacing the
engine rather than rebuilding the westerbeke. The L-25 is probably

worst engine westerbeke ever put on the market - it is a ford

gas engine block converted to desiel. I owned one for years in a
Valiant 32 - about 4 years ago it needed rings - once I priced out

parts necessary for a rebuild, I found that I was over 50% of the

of a brand new yanmar... and I hadn't accounted for any labor yet!
And I would have still had to continue paying those damn westerbeke
parts prices (when I could find L25 parts) - I decided to repower
instead. Whether this makes sense depends on the circumstances

expect to recover the cost of a repower in resale value).

Oh well, I'm rambling, but as you can tell I really hated that L25.
You have my sympathies at least.


Like anything they are great when new but get a bad rap when they
get on in years. I have a friend who rebuilds these engines. They
are not the best diesel for a boat as you say they are a converted
gas block. The biggest complaint I have heard is that they need
to be decarboned every 1000hrs or so. Most sailboaters do not run
their engines hard enough resulting in these problems. What happened
to your old L25? My friend has one running now and is working on
another. He has found an alternative source of parts as Westerbeke
should be synonimous with proctology as their part markup is

If you have anything left over from that L25 please let me know.
Bryon Kass
webmaster and
Custom Design
150 Mechanic St.
Foxboro, MA 02035
508-543-9068 or fax 508-543-5127

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Old January 18th 05, 04:15 AM
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The engine was made in Britain by a company called "Watermota" and the
model is called the "Sea Panther". I believe parts are still available
from over there. I bought a shop manual several years ago.

I am used to hearing complaints about this engine, but only from those
who own(ed) it under the Westerbeke label. That company made getting
parts and service very painful.

My 4 cyl FWC Sea Panther is 30 yrs old and still running.

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Old November 9th 17, 10:14 PM
Junior Member
First recorded activity by BoatBanter: Nov 2017
Posts: 1
Default Westerbeke L25 Parts and Castoffs

I have been able to keep my 1977 Westerbeke L25 running in my Bristol 32, and I think it is a good engine. I have collected 2 castoff engines after other people have repowered.
Let me know if you are looking for parts and I might be able to help.
Also, please let me know if you have a castoff L25 after repowering.
email me at .

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