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Old 23-09-2011, 12:16   #16
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Re: If You're Thinking Yanmar, Think Twice

Thanks, all you folks for jumping in on this Yanmar parts issue. I did not make it clear in my original post that the pump in question is the water pump">raw water pump.

I have a genset on board also. It has a 3-cylinder Yanmar and the raw water pump is belt driven, and though I have never needed to replace it, there should be no problem using a non-factory pump on it. Nothing proprietary about it like the internal gear drive on the raw water pump on the 4JH4E engine.

Overall I do not question that Yanmar is THE engine, and from a business viewpoint, using proprietary versions of often-replaced parts, for which there is no second source, makes sense. If you have a contractural agreement with the pump (insert any other part name) manufacturer, such that the pump cannot be sold to anyone other than Yanmar, then Yanmar can charge whatever they want to charge.

I guess the boat engine business is different than the automobile engine business where there exists a second source for almost any often-replaced part.

Perhaps I need to adopt the philosophy I express to my customers (I do boat repair) when they think my price is too high. "Owning a boat is expensive, and it is not my job to make it affordable for you." Perhaps Yanmar is saying to me, "What goes around, comes around." The difference is, my customers can go somewhere else.
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Old 23-09-2011, 12:25   #17
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Re: If You're Thinking Yanmar, Think Twice

A year ago I bought a Trek bicycle for $500. Last Christmas, when I took off for Mexico, I left the bike locked to a bike rack on campus, locking the frame only. Sure enough, some yahoo stole both wheels.

I went back to the dealer I'd originally bought the bike from, and two new identical wheels cost me $400.
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Old 23-09-2011, 12:26   #18
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Re: If You're Thinking Yanmar, Think Twice

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Originally Posted by Cheechako View Post
3 yanmars, two total failures less than 2200 hours. the one good one was the old slowturning heavy model built before they decided that if they could make an 18 hp engine turn 3800 rpm they could call it a lightweight 30HP!
This I think is rare- what caused the 2 total failures- lack of water or lubracation??
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Old 23-09-2011, 12:28   #19
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Re: If You're Thinking Yanmar, Think Twice

rebuild what you can with yanmars .. raw water pumps are 400 - 500 bucks .. i rebuilt the seal for 20. but yes i have scratched my head many times along with muttering a few profanities at the cost of yanmar parts.
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Old 23-09-2011, 12:42   #20
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Re: If You're Thinking Yanmar, Think Twice

You guys are making me glad that I decided to go through my old Perkins 4.108 instead of buying a Yanmar that I couldn't afford.
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Old 23-09-2011, 12:50   #21
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Re: If You're Thinking Yanmar, Think Twice

My Yanmar 3ym30 -raw water pump new is $220- so not too bad-I have recently replaced 1 and have changed out the impellers 1 time-- in about 1500 hours each
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Old 23-09-2011, 14:07   #22
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Re: If You're Thinking Yanmar, Think Twice

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My problem is that this is exactly opposite of what Mercedes Benz does. The reason why MB are driven for so long is that parts are very reasonable. Sometimes 1/3-1/2 of what even Toyota, VW and others charge for the same part.
Not to lowjack the thread, but...

Not sure what MB you have, but parts for the one I had were extremely high, as I expected them to be.

Our 34-year-old Yanmar 30 hp still runs great, too bad the OP's is having issues. We replaced a water pump not too long ago, but I don't remember the parts costing anywhere close to that, but it is a much older unit.
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Old 23-09-2011, 14:29   #23
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Re: If You're Thinking Yanmar, Think Twice

My problem was the seal on the freshwater pump, in the block.
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Old 23-09-2011, 14:34   #24
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Re: If You're Thinking Yanmar, Think Twice

Feel fortunate you are not paying for Volvo parts.
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Old 23-09-2011, 14:43   #25
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Re: If You're Thinking Yanmar, Think Twice

ask about the adapter availablke for em..is a spacer. works .
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Old 23-09-2011, 18:44   #26
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Re: If You're Thinking Yanmar, Think Twice

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ask about the adapter availablke for em..is a spacer. works .
Spacer....works?....commercially available pump has a shorter shaft, and fails to mesh at all with internal gear on Yanmar. A spacer would only make it worse.
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Old 23-09-2011, 18:50   #27
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Re: If You're Thinking Yanmar, Think Twice

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Spacer....works?....commercially available pump has a shorter shaft, and fails to mesh at all with internal gear on Yanmar. A spacer would only make it worse.
oops.... sorry about that-=-i have had excellent service and help from my yannie man== he got me a raw water pump for my perkins--it has a spacer, as part is too long---i got cornfuzzled,,sorry... my lil yannie in my ericson is perfect----mebbe is just he turbo ones.....?
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Old 23-09-2011, 18:59   #28
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Re: If You're Thinking Yanmar, Think Twice

I did consider Yanmar, but after being driven to a repower by the cost of rebuilding a Westerbeke, I chose a new Beta Marine Kubota. Parts are reasonable at the tractor store.
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Old 23-09-2011, 19:03   #29
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I really want to do my I gotta cummins boogie. But I'm sure I could find someone to sell me overpriced parts for my drum roll engine. I like a low rpm to hp ratio. I like marine zed service engines by big names cummins 3b is in forklifts bobcats coal machinery like others John Deere etc.. And I think yanmar is just a marinized block.
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Old 23-09-2011, 19:13   #30
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Re: If You're Thinking Yanmar, Think Twice

Quote:
Originally Posted by David M View Post
Feel fortunate you are not paying for Volvo parts.
A new raw water pump for a 2004 55hp Volvo costs $334. I would feel fortunate indeed to be paying for Volvo parts.


Product Details
Part found.
RPL, if it appears in the description, means replaced by.
If you see an RPL, please change to that part number.

Part Number: 3583089
Description: SEA WATER PUMP (Volvo Penta)
Price: $ 334.02
Retail Price: $ 359.16
Weight: 3.56

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