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Catalina/Capri 25/250 Sailor's Forums

Catalina 25 Specific Forum

Inboard Diesel Engine

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Daren
1st Mate

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USA
81 Posts

Initially Posted - 11/10/2009 : 06:25:07

I'd like to hear from all you other inboard engine guys out there. Chime in! What kind of work have you done to your engine? Where do you get parts? What kind of problems have you had with your engine? Tips on keeping your engine happy. What model engine do you have? Trying to gather some lessons learned and maybe get some interest going for a C-25 engine forum going.

S/V Prima Donna
1986, 15 HP Universal Inboard Diesel, Fixed keel, Hull # 5362

Edited by - on

islander
Master Marine Consultant

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USA
4020 Posts

Response Posted - 11/10/2009 : 16:35:40

From what I understand, The C25s with an inboard engine are rare so responses to this thread may be a little slow if any. More inboards in the C27s.

Edited by - on

Ed Cassidy
Captain

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USA
365 Posts

Response Posted - 11/10/2009 : 17:21:31

Could you post some pictures of the diesel installation?
Thanks,
Ed

Edited by - on

32chevcab
Deckhand

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12 Posts

Response Posted - 11/10/2009 : 21:31:03

I have a 1986 TR/SK Catalina 25 hull No. 5460 with an Universal M-12 diesel 2 cylinder engine. I get parts from Torresen Marine--you can find them on an internet search. So far the engine has been trouble free. I got this boat last year so I tried to do the safe thing and replaced all fluids (oil and water) including the transmission lube also replaced the fuel and lube filters. Because the installation was 20+ years ago I replaced the fuel line and return line and also removed the fuel tank and cleaned it. I also replaced the water pump impeller and the vee belt. If you have the manual for this installation it spells out most of the maintenance items. Hope that helps
'86 TR/SK

Edited by - on

OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 11/11/2009 : 01:28:04

Just curious - were these factory installed in 1986? Interesting, I thought diesels were only installed during the last couple/three years of production. Thought I also read where a pressurized a hot water system was available as an option - again, towards the end of production.

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John Russell
Master Marine Consultant

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USA
3444 Posts

Response Posted - 11/11/2009 : 09:18:16

1986 was the "last couple/three years of production".

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OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 11/11/2009 : 17:27:40

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by John Russell
 1986 was the "last couple/three years of production".
<hr height="1" noshade id="quote"></blockquote id="quote">
. . . actually John, the last year of production for the Catalina 25 was 1991, hull #6031

Edited by - on

Bill Holcomb
Admiral

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USA
769 Posts

Response Posted - 11/12/2009 : 13:27:57

Hi all,
An inboard engine was always a factory option. Originally, the inboard engine was an Atomic 4. But in the early eighties Catalina changed the engine to a 10 hp Universal 12 diesel engine.

As some may know, my ski shop also was a Catalina dealer in Spokane WA for about ten years. We sold many C25s over those years...... but never one with an inboard. I'm guessing that was a similar experience all over the country.

The C27 was where we started to see customer interest for an inboard engine.

Bill Holcomb - C25 Snickerdoodle #4839

Edited by - on

bigelowp
Master Marine Consultant

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USA
1773 Posts

Response Posted - 11/13/2009 : 20:10:21

Interesting thread. Has anyone retrofitted an outboard version to an inboard diesel? Can you even do it or must it have been factory original? Is their any sail performance benefit/liability by having an inboard? Just curious . . .

Edited by - on

Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 11/13/2009 : 20:43:54

Generally heavier and continuous prop drag. Under power, it will be much more responsive since the prop can push water around the rudder even if the boat is stationary.

Edited by - on

Happy D
Admiral

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921 Posts

Response Posted - 11/15/2009 : 18:48:35

Not a retro fit by my boat has a very unique installation. I have a saildrive engine in mine. I think it's the perfect solution. Mine is a two stroke but the newer 4 strokes are the bees knees.
Dan

Edited by - on

At Ease
Admiral

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672 Posts

Response Posted - 11/16/2009 : 14:09:31

I have a Yanmar 3GM30F, three cylinders and 27hp. I change the engine oil and filter every fall, the two fuel filters annually, the coolant every couple of years.

It is very reliable, starts religiously at the touch of the starter...boosted by two 4D batterys.

The only problem I have had is a small fuel leak which was fixed by changing a small fuel line.

I get my parts from Laborde in LA. Yanmar will only sell parts to you based on where you live...you must buy them (on line) from the dealer that services your area.

Edited by - At Ease on 11/16/2009 14:12:39

Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 11/16/2009 : 15:26:31

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by At Ease
 I have a Yanmar 3GM30F...<hr height="1" noshade id="quote"></blockquote id="quote">(Note: ...in a C-320.)

Edited by - Dave Bristle on 11/16/2009 15:26:59

HarryWD
Deckhand

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USA
2 Posts

Response Posted - 11/18/2009 : 14:53:06

I also have an 86 fin keel, standard rig with the Universal M-12. Have had the boat for only two of its years, but the diesel runs very well. I've only replaced the cooling water pump impeller (can suggest a cheaper source for the impellers than Torresen, though as one of the previous replies mentions, they have good service and parts for this model Universal. What I like about this installation is that it behaves pretty much just like bigger boats with an inboard diesel in terms of accounting for prop walk, no rudder effectiveness without considerable stern way etc. Good practice! Another good feature is that on our lake which gets pretty rough due to wind and very large powerboat wakes, the prop never comes out of the water regardless of how much the stern is kicked up by waves.

HarryWD in Missouri

Edited by - on

Happy D
Admiral

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921 Posts

Response Posted - 11/19/2009 : 07:36:35

I ordered some parts from Torresen online for my saildrive. Then got an email that said "back ordered". Ugh. I was not happy. They had my money and I was caught in a time block.
I like Torresen marine. Not far from my house, about an hour. I am seriously thinking about mooring my boat there. I went to sailing school there and had a great time. But I don't order anything online from them. I'll call them next time.

Edited by - on

Stu Jackson C34
Admiral

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844 Posts

Response Posted - 11/20/2009 : 12:30:40

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by HarryWD
 ... with the Universal M-12. ... I've only replaced the cooling water pump impeller (can suggest a cheaper source for the impellers than Torresen, though as one of the previous replies mentions, they have good service and parts for this model Universal. <hr height="1" noshade id="quote"></blockquote id="quote">

Harry, it depends on what water pump you have. Try this:

Rebuilding an Oberdorfer is a breeze compared to that Sherwood. You can get Oberdorfer parts at a great discount cost from DEPCO (800-445-1656), but Sherwood parts you'll have to pay for as NO one is allowed to discount Sherwood parts.

You'll seldom have to replace the oil lip seal on an Oberdorfer because it's leaking - as the oil keeps it lubed. However, to replace the water lip seal you'll first have to remove the oil lip seal. Hence, you'll always have to replace both seals when fixing an raw water leak.

You'll usually have to replace the stainless shaft, as it'll have a grove worn where the seal rides.

This is for a freshwater cooled (recirculating with a HX for raw water) M25 series engine. The Oberdorfer pump is the raw water pump.

Edited by - Stu Jackson C34 on 11/21/2009 00:37:31

Tomas Kruska
Admiral

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Czech Republic
522 Posts

Response Posted - 07/23/2010 : 06:31:05

Ahoj,

Just bought my C25 from 1978 #701 (High Anxiety) here in Czech Republic (small country in Europe

) for around $11500. She was moved from Baltimore, MD USA to Czech Republic in 1995.

Now she have Volvo Penta MD2010 10HP with 2-blade folding saildrive mounted on 2001 by PO. Previously she had some BUKH diesel.

Pictures from 2009 made by PO http://www.kruska.cz/simonek/lode/Catalina25/

I was fool when PO answered my question, why there is a water in the bilge and he told me, thas ok, it's a sendwitch its a condensated water

Anyway, now I'm working on to seal all the deck leak and my wife has just finished new cabin cousions. Will add more pictures as soon as it will be in the presentable state.

Previously I had a Corsaire J.O.G. sailboat 6m long.

Just want to say, that this forum is a great source of tips and aids. Thanks for that.

Edited by - on

John Russell
Master Marine Consultant

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USA
3444 Posts

Response Posted - 07/23/2010 : 07:16:08

Tomas,

She is a lovely boat. It has some interesting differences from any I've seen before. I've never seen one with a port below the rubrail or with the transom extended. Were those modifications made by the previous owner? Where is the mainsheet traveler? I assume you don't sail with the mainsheet attached to the bimini frame as it is in the photo.

By the way, I had the pleasure of visiting your country several years ago. I spent a weekend in Prague. Prague is one of the loveliest cities I've ever seen.

Welcome to the forum.

Edited by - John Russell on 07/23/2010 07:17:16

GaryB
Master Marine Consultant

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USA
4303 Posts

Response Posted - 07/23/2010 : 07:44:40

Very nice window upgrade over the original '78 window frames.

Edited by - on

Tomas Kruska
Admiral

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Czech Republic
522 Posts

Response Posted - 07/23/2010 : 07:47:43

Thanks John,

Well, I'm the 4th owner of this boat just here in Czech Rep, so not all changes were really documented. PO just added the port bellow the rubrail, inspection port in the cockpit and replaced the sink against the head by nice cabinet for clothing. I think that its not really useful there. I wash my hand if I could see the germs

I was really surprised with that extended transom, I've tried to search google If this was factory made but no luck. On the other hand, my wife loves it

There is no mainsheet traveler and you cannot sail with the bimini open, but the mainsheet is attached to the middle of cockpit floor.
One advantage of it this style of bimini is that I can stand bellow that (I'm 187cm tall)

Have a nice weekend.

Edited by - on

Prospector
Master Marine Consultant

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Canada
3159 Posts

Response Posted - 07/23/2010 : 08:15:14

Someone has invested some major time and effort on that boat.

I love th erework on the electric panel, adn the doors on teh hanging locker. The interior has tons of goodies. Was it built in teh USA, or is it one of the Aussie boats with CY stickers on it? I think some were made in the UK for a while too, maybe they fit the interior differently?

A very cool boat!

Edited by - on

Stinkpotter
Master Marine Consultant

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Djibouti
9076 Posts

Response Posted - 07/23/2010 : 09:44:33

The stern of that boat is amazing... The transom-hung rudder was apparently replaced with a tube-and-post arrangement, and some major fabricating was apparently done to extend the hull. She looks like about a C-26.5 now. And that looks like another C-25 next to her, with a coachroof traveler for mid-boom sheeting, some sort of angled sprit (?) for the forestay and furler, and some other stuff going on with the pulpit (??).

Edited by - on

Stinkpotter
Master Marine Consultant

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Djibouti
9076 Posts

Response Posted - 07/23/2010 : 09:50:20

BTW, I've only seen one inboard C-25, and it was a saildrive. Were they all done that way?

Edited by - Stinkpotter on 07/23/2010 09:57:56

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