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Thread: Yanmar Diesels ???

  1. #1
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    Default Yanmar Diesels ???

    Anybody running Yanmar's in their boats? I'm looking at the 315HP 6LPA-STE What can you guys tell me about them.

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    Member Sobie2's Avatar
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    Boattest.com has had a series of yanmar video reviews clink the link I pasted in below and enjoy.

    http://www.boattest.com/news-search.aspx?s=yanmar

    Sobie2

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    Steve,

    Are you considering a repower and getting rid of the 41?

    I know that you are not a huge fan of Volvo Penta, but you may want to look at the D6-370 and the DPH outdrive. While it is 'only' 370HP, it has 650ft lbs of torque, so it is really impresive. It is my understanding that the outdrive is a great improvement over the older ones, and the common rail injection is great for fuel economy. So far I am very happy with mine, but I don't have the use or hours or loads that you do. My boat is around 13,000-14,000 lbs, and it pushes it quite nicely, up to about 37 kts.
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    I don't know if you saw this, but there was some info on this on TheHullTruth:

    http://www.thehulltruth.com/boating-...tp2-315hp.html
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    I'm thinking the chosen outdrive is more important than the engine. What are you looking at for a drive?

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    Quote Originally Posted by jrogers View Post
    Steve,

    Are you considering a repower and getting rid of the 41?

    I know that you are not a huge fan of Volvo Penta, but you may want to look at the D6-370 and the DPH outdrive. While it is 'only' 370HP, it has 650ft lbs of torque, so it is really impresive. It is my understanding that the outdrive is a great improvement over the older ones, and the common rail injection is great for fuel economy. So far I am very happy with mine, but I don't have the use or hours or loads that you do. My boat is around 13,000-14,000 lbs, and it pushes it quite nicely, up to about 37 kts.
    Thanks but i'm looking at getting another boat and no way in hell will it have a outdrive. Yup those volvo's are nice (and expensive) but they have the worlds highest parts prices and my buddy who has one (D-6) has had his share of gremlins with his engine and drive and he's easy on it. Next boat will have a real transmission, shaft and prop and the cabin on the pointy end. Know anybody looking for a nice bowpicker???

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    Quote Originally Posted by Vek View Post
    I'm thinking the chosen outdrive is more important than the engine. What are you looking at for a drive?
    They all bust too easily, i've gotten good servive out of my duoprop but i've been real careful with it.

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    Thanks a lot for the link, quite enlightening !!


    Quote Originally Posted by jrogers View Post
    I don't know if you saw this, but there was some info on this on TheHullTruth:

    http://www.thehulltruth.com/boating-...tp2-315hp.html

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    U are welcome to ride with us. 440 HP Yanmar, transmission, Hamilton 274 jetpump. I think U would be impressed with the fuel burn rate, etc. Will be in Whittier on July 30 for three weeks. Bring some shrimp bait with U. LOL

    SeaULater

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    Ran the 300hp Yanmar in a 25' jet skiff in Kodiak, and had a 26' with a 300hp straight shaft. I can't remember having any trouble with the Yanmar, but the guys I knew who partnered the Yanmar with the outdrives had nightmares. I take it you're going with a Yanmar, single shaft? I think it would be sweet.
    We also had twin Volvo 41's with the duo prop outdrives. That boat was being worked on more than the boat we ran with the Evinrude Fichts. The outdrives were the problem. Let us know what you go with.

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    Potbuilder - I'm with you on the "real transmission" thing. I've had OB's and Outdrives and now on my third boat with straight drives. My current boat, a Shamrock 270 Mackinaw, has a Yanmar 6LPA-STP and so far, running great with no problems. It's a 2003 with later serial number than the valve problem so hope I don't see any issues there. My Mac, which weighs in at about 8500#, cruises ~21kts at 3250 rpm burning about 9 gph. Top end is about 28 kts depending on load. Boatdiesel.com is worth the $25/yr to check out the forum posts on this engine. The only thing of note is it doesn't warm up at idle and cools down when trolling. I have to get past downtown Seward at part load before it warms up enough to put the coals to it.

    Good luck!

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    Default yanmar

    I have the 6lpa-stzp and it performs well. Its hooked to a Bravo II diesel unit which is presently broken down. First and last outdrive.

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    Thanks for the replies guys, been doing some reading on the yanmars, seem like good engines but still don't like the high rpm's. Time will tell what i go with.

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    How about a couple diesel outboards?

    New company: http://www.megoutboard.com/30L_vision.php
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    Quote Originally Posted by Maast View Post
    How about a couple diesel outboards?

    New company: http://www.megoutboard.com/30L_vision.php
    you buy'em first and let see how they hold up !!!

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    The charter boat I was on in Homer a couple weeks ago ran Yanmar diesels. The captain really seemed to like them, but I didn't get to talk to the boat owner about how they liked them for maint. costs, etc. If you want to know the name of the boat and owner..send me a PM.
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    Quote Originally Posted by potbuilder View Post
    you buy'em first and let see how they hold up !!!
    I actually emailed them and offered to be a tester. If they're at least as reliable as my current 250 zuke, at the rate I'm going through gas @2.5MPG the lower costs in fuel usage will eventually pay for them.

    I'm kinda stunned at how much I'm spending for gas now going out every weekend. I'm spending more for gas than I'm paying in insurance AND payments on the boat.
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