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Old 02-13-2007
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Re Powering a Cal 39

I am considering a Yanmar 4JH4E as a replacement for the original Perkins 4-108 that has finally started to lose compression. I would greatly appreciate hearing from anyone who has been down this treacherous path.
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Old 03-25-2007
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New Engine

While I do not have a Cal 37 I did repower my Cal 25 Mk 2 with a Beta Marine engine. It is built off of a Kubuta block and fit perfectly in the same foot print as my old atomic. It has a manual pump for the oil which is very cool. Ask for Stanly at Betamarinenc.com. They are adding 2 years worth of spare parts for any engine bought in 2007
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Old 06-15-2014
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Re: Re Powering a Cal 39

Re-powered with a Beta Marine 43 as suggested by a Yacht broker friend of mine.
Was a big job, so I let the yard do it... $$$ to install.
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Old 06-15-2014
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Re: Re Powering a Cal 39

Quote:
Originally Posted by DavePed View Post
I am considering a Yanmar 4JH4E as a replacement for the original Perkins 4-108 that has finally started to lose compression. I would greatly appreciate hearing from anyone who has been down this treacherous path.
Last year our slip neighbor repowered his mid-80's era Jeneau 42 with the Yanmar as you describe. All up, he spent slightly more than $21K and got $100 for his old engine. When asked if he was pleased with the result, he said he was happy with the Yanmar but that if he had it to do over, he'd have had his 4-108 rebuilt, which would have cost him around $2.5K. Hind-sight is always 20/20. The 4-108 has its peculiarities but is an eminently reliable engine with diligent routine maintenance.

PS: The boatyard that repowered his boat rebuilt his old engine and sold it as a replacement to another customer for $6K
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Old 06-16-2014
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Re: Re Powering a Cal 39

if its just losing compression thats an easy fix...yeah a rebuild but hardly a reason for a repower

in any case Im fond of vetus engines, as well as kubota and all its other names

btw the first salvadoreans to sail around the world did so on a cal 39, they recently got back on a rebuilt perkins 4108...

they rebuilt it here vefore leaving and came back 3 years later or so...and did them just fine, its a workhorse and like above have some peculiartites like leaks and stuff but losing compression is normal on old engines...

I vote for rebuild but that depends on the boat and owner
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Old 06-16-2014
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Re: Re Powering a Cal 39

Oop's. I just realized that new subscriber "Surfwatch" responded to a 7+ year old thread and I followed suit without first checking the date of the original post. (<--Dumb!!) I'm sure the OP has resolved his issue by this point.
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Re: Re Powering a Cal 39

well that makes me twice as dumb then jajajajaja

its a hard life sometimes
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