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Old 26-01-2018, 10:16   #1
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Repower Perkins 4108 to Yanmar

Good day Mates,
I have a Cheoy Lee Pedrick 41 with the original 1986 4108 in her. Although she is running fine at the moment I am looking to repower as we are setting off in 2019 for several years and am not keen to do it with a 30 year old motor. So....with that, It is being recommended that I go with a new Yanmar which I am ok with. We are berthed in Long Beach, CA. I seek recommendations and experience from others that have repowered. Words of advice and thoughts on cost expectations would be most welcomed.

Thanks so much
Captain Randy
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Old 27-01-2018, 18:03   #2
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Re: Repower Perkins 4108 to Yanmar

Hi Skipper,

I would hope you would do more research.

Personally I would much rather have a "Rebuilt" 30 year old Perkins than a new Yanmar.

If you are lucky you "may" get 1,500 hours from the Yanmar vs 10,000 hrs from a Perkins.

I am not trying to sell anything. I have over 60 years sailing, 31 years cruising with a Perkins only 3,800 hours and plenty more to go.

Contact me off this forum for more info or PM

Tom
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Old 27-01-2018, 18:24   #3
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Re: Repower Perkins 4108 to Yanmar

I wouldn't do it. I went through the same thought process, and decided against it.

They are a very popular engine worldwide. New Holland powered a lot of their equipment with them.

What I plan on doing is getting "Not your Fathers 4108" rebuild from Foley Engines. https://www.foleyengines.com/ Half the price of a new Yanmar or what ever, and no boat modifications to make it fit.

The 4108 is bullet proof in my opinion.

Cheers
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Old 27-01-2018, 18:34   #4
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Re: Repower Perkins 4108 to Yanmar

Check Beta Marine for a replacement motor,very good reviews. Also,read reviews of Foley,not good.
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Old 27-01-2018, 18:43   #5
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Re: Repower Perkins 4108 to Yanmar

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Originally Posted by steamgoat View Post
Check Beta Marine for a replacement motor,very good reviews.
+1. Any kubota based engine will be an excellent choice in my opinion.
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Old 29-01-2018, 11:34   #6
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Re: Repower Perkins 4108 to Yanmar

Thanks Tom et all.... I am doing the research now including seeking advise of the vets here. I am not anxious to pull my Perkins and the costs associated with a new Yanmar. So looking at all of the options and of course the many opinions here and elsewhere. We are planning on heading out next year and just want to do the best reliable option. Our old leaky Perkins runs great right now, but they all dp until they don't.

Your wisdom is appreciated
Randy
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Old 30-01-2018, 11:49   #7
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Re: Repower Perkins 4108 to Yanmar

HI Randy,

If you have two engines and one runs at 3,000 RPM's and the other at 1,500 RPM's. Which one is going to last longer?

BTW, I lived, worked and boated in Orange County from 1960 to 1988 when we retired and sailed away in our Cal 46 with a new Perkins 4.236. We cruised for 14 years, then settled in Florida due to prices in Orange County.

Go cruising! I don't care how good you think it is going to be - IT IS BETTER!
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Old 30-01-2018, 13:36   #8
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Re: Repower Perkins 4108 to Yanmar

Thanks OldCal46. Seems to be the consensus. Maybe I just look at an in boat rework and go through it in place. It is still a 30 year old motor so you can see why I am concerned but maybe with the right attention I can get comfortable.
Thanks
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Old 18-02-2018, 14:53   #9
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Re: Repower Perkins 4108 to Yanmar

I replaced my 4-108 with a Beta 50. Never happier. Lighter, cleaner, smoother, quieter, fit the old mounts and you can keep your Velvet Drive transmission should you wish.

Carib: - 1on Foley, seriously, do some research on the forum.


Quote:
Originally Posted by Captain Randy View Post
Thanks Tom et all.... I am doing the research now including seeking advise of the vets here. I am not anxious to pull my Perkins and the costs associated with a new Yanmar. So looking at all of the options and of course the many opinions here and elsewhere. We are planning on heading out next year and just want to do the best reliable option. Our old leaky Perkins runs great right now, but they all dp until they don't.

Your wisdom is appreciated
Randy
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