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Old 24 October 2020, 06:14   #1
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Mercruiser 1.7 220hp Possible Replacement

Hi there,

I am the part owner of a Prosport 6.5 with Mercruiser 1.7 220hp inboard engine which is currently broken! Overall I love the boat, great handling and in boat terms, very frugal. However at the moment it is dead in the water, overheated due to blocked water intake and requires a full rebuild which as you can imagine is not cheap.

This brought up the possibility of just putting a new engine in, the obvious direct replacement is the Mercruiser 2.0l so we goy a quote, £18k

This is definitely a bit pricy, have had a quick look 2nd hand but doesn't seem to be much out there. So my question is have I missed a more cost effective option for a new engine or does anyone know of any good second hand engines that might be suitable?

Thanks in advance for all replies.
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Old 24 October 2020, 07:39   #2
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Those 1.7 120hp engines had a poor life expectancy in ribs & there is little benefit now in spending big money to replace it with another diesel.
Imho your best option is sell the current engine and drive as a project, fit an outboard and have a lighter faster and roomier boat.
I'm not a diesel boat hater (I own one) but nowadays they dont make much sense in a small ish rib
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Old 02 November 2020, 18:29   #3
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We have a yanmar 4jh4-hte for sale at the min. It’s 135hp 2.0ltr it that would go on your drive.
It’s got very low hours and would be a fairly easy swap. It’s on e bay if your interested.
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Old 02 November 2020, 18:31   #4
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https://www.ebay.co.uk/itm/164474662297
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Old 03 November 2020, 02:02   #5
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Thanks for that will have a look.

John
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Old 03 November 2020, 06:39   #6
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You’ll probably find that as that 1.7 is one of the most compact units ever the engine bay may not accommodate anything else. Beamishkens advice is likely your best option as you’ll improve your power to weight, gain a lot of room and get ahead of the declining attractiveness of diesel for leisure since the law on and availability of duty free or agri diesel tightened considerably.
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Old 03 November 2020, 08:40   #7
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RIBase
If in your search you come across West End Marine, the general advice is keep searching.

It would be a bit of a mission but if you have the ancilliaries, could you get a car / van engine and use that?

I don't suppose the Mercruiser 1.7 could be the same block as a Vauxhall 1.7?
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Old 03 November 2020, 08:43   #8
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https://www.rib.net/forum/f36/1-7-dt...ser-29304.html
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Old 24 November 2020, 13:40   #9
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hola, perdona que moleste, tengo una pro sport y necesito un documento, era por si me podias ayudar con la documentacion, gracias, atentamente
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Old 26 November 2020, 14:17   #10
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hola, perdona que moleste, tengo una pro sport y necesito un documento, era por si me podias ayudar con la documentacion, gracias, atentamente
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Old 26 November 2020, 14:49   #11
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Quote:
Originally Posted by Joseluis199 View Post
hola, perdona que moleste, tengo una pro sport y necesito un documento, era por si me podias ayudar con la documentacion, gracias, atentamente
Hola Jose, lo siento dudo que muchos aquí hablen español y menos aún tienen el documento que buscas.
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Old 26 November 2020, 15:26   #12
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okay. thanks. I take it into account, thanks for answering very kindly
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