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post #1 of 17 Old 11-06-2006 Thread Starter
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repowering

Just bought a boat in Monterey harbor that happens to be cursed with a 30 year old volvo aux. (anchor). Would like to repower. Any recomendations?
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post #2 of 17 Old 11-06-2006
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If the fit is OK...I would consider a Yanmar (non-turbo) as they are reliable and have excellent parts/service available anywhere you wander.
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post #3 of 17 Old 11-07-2006
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Hopefully, it doesn't use a volvo saildrive unit... which would be tough to get a replacement for.... I'd second the choice of a Yanmar due to their almost universal availability of parts and service worldwide.

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post #4 of 17 Old 11-07-2006
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I know this is a broad question, but how much does a new engine and refit cost? Maybe something in the 10 to 15 HP range?
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It depends, on the engine, whether new, reconditioned, or used, on the transmission, same thing...whether the engine is a drop in replacement or does the engine bed need to be re-built to fit it. Additional things. Do you need a new prop shaft, if so, what kind of material are you going to use. Do you need a new prop, cutlass bearing, stuffing box, etc...

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post #6 of 17 Old 11-07-2006
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Silly question but are you sure it's needs replacement? I had a 28 year old Volvo MD7a that ran great, just needed some cleaning out.
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post #7 of 17 Old 11-07-2006
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As SD says, repowering can open a bigger can of worms. Typically a 1 cyl Yanmar (8 - 10 hp) can run you up to $8K CDN by the time you've got everything looked after, more if you can't do any of the work yourself. A twin cyl could be another 2 - 4K above that. (adjust costs for USD and area)

Even if you're fortunate enough to have a matching footprint the length of the new package could mean prop shaft modifications, a different gear ratio could lead to repitching or replacing the prop. Couplings will likely not match, the list goes on.

It sounds like you really have no choice here, but I'd look to make things simple and if you can find an engine that requires minimal modification of engine beds, stringers and mounts.

Universal engines (they use Kubota diesels) may be worth a look - in my experience they run quieter than Yanmar or Volvo.

Good luck.
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post #8 of 17 Old 11-07-2006
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As to Diesels I have had only a Perkins and a Yanmar. My best experience has been with the Yanmar, which I have found to be reliable and efficient.
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post #9 of 17 Old 11-07-2006
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Your 30 year old motor may still be worth keeping. I have a 35 year old Volvo MD1, filter change, oil change, impellor change and fresh diesel, and it may chug along forever.
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post #10 of 17 Old 11-07-2006 Thread Starter
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Wow maybe I should reconsider repowering. Anyone have any info on sources of parts for the old volvo? The boat is in California. Thanks again to everyone for all the good advice.
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