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08-22-2018, 07:06 PM
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#1
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Guru
City: Cowiche, WA
Join Date: Sep 2011
Posts: 662
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Yanmar YM30 questions.
Hello,
We are looking at a trailerable trawler that has a Yanmar YM30 engine with 925 hours on it. I am not familiar with Yanmars and was hoping to find someone familiar with them to give me some ideas of how reliable they are, maintainance issues and overall impressions.
Thanks,
Keith and Katie Olive
__________________
Keith Olive
1974 Grand Banks 36-427
Vashon Island, WA
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08-22-2018, 07:48 PM
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#2
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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3YM30 Service Advisory
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08-22-2018, 08:41 PM
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#3
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Guru
City: Concrete Washington State
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 18,743
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I had a similar but a bit older Yanmar in my first trawler. A Yanmar 3HM35F.
The only maintenance problem was a small easily fixed seawater leak on the front of the manifold. Also There was a light harmonic vibration I didn’t like but I think that came from the hull structure. The Yanmar engine mounts were very soft.
Not as quiet as my present engine but I liked it and wouldn’t hesitate to buy another based on this experience.
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Eric
North Western Washington State USA
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08-22-2018, 08:47 PM
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#4
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Guru
City: Cowiche, WA
Join Date: Sep 2011
Posts: 662
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Thanks Eric.
I am checking the serial number to see if the Yanmar advisory applies to this engine as well.
__________________
Keith Olive
1974 Grand Banks 36-427
Vashon Island, WA
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08-22-2018, 09:09 PM
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#5
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Guru
City: Boston
Vessel Name: Adelante
Vessel Model: IG 30
Join Date: Nov 2016
Posts: 1,611
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100% reliability on mine. Simple engine and easy to maintain. Quick starting. Parts readily available.
I started the engine once without opening seacock. Impeller wasn't happy. Found the pieces in the front of the heat exchanger. It's a small engine so not a lot of room to swing wrenches but technically it was a simple job. It's based upon the 3GM so a lot of repair/maintenance info on the web.
Wouldn't hesitate to cross the Atlantic with it.
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08-22-2018, 09:11 PM
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#6
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Guru
City: Cowiche, WA
Join Date: Sep 2011
Posts: 662
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SoWhat,
Thanks for the info! Nice to hear. What boat do you have your in?
Keith
__________________
Keith Olive
1974 Grand Banks 36-427
Vashon Island, WA
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08-22-2018, 09:14 PM
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#7
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Guru
City: Sea of Cortez, Mexico
Vessel Name: Irene
Vessel Model: Nordhavn 40II
Join Date: Jan 2016
Posts: 1,235
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We have one in IRENE, which we have NOT owned for too long. I have done some considerable reading and general maintenance on her, and I have yet to find anything undesirable. It has less than 40 hours on it, but I am adding a few per month.
A family member has this engine in a piece of construction equipment. He says it runs at WOT all day efficiently and without complaint (probably a different WOT than our marine applications).
Should be a dependable motor...
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Jeff
MV IRENE
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08-25-2018, 06:22 PM
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#8
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Veteran Member
City: La Center
Vessel Name: Breeze
Vessel Model: Grand Banks 36
Join Date: Jun 2018
Posts: 88
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This is wonderful to read! Can't stay away from the water...
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08-25-2018, 06:29 PM
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#9
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Guru
City: Cowiche, WA
Join Date: Sep 2011
Posts: 662
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Melissa, no kidding! It is very difficult.
We are trying to figure out if we can still do this just in a different fashion maybe.
__________________
Keith Olive
1974 Grand Banks 36-427
Vashon Island, WA
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08-25-2018, 07:43 PM
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#10
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Guru
City: Concrete Washington State
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 18,743
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Hope it’s an Allbin 25 Keith.
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Eric
North Western Washington State USA
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08-25-2018, 08:50 PM
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#11
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Guru
City: Boston
Vessel Name: Adelante
Vessel Model: IG 30
Join Date: Nov 2016
Posts: 1,611
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Quote:
Originally Posted by kolive
SoWhat,
Thanks for the info! Nice to hear. What boat do you have your in?
Keith
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Ericson 31 cutter rig. Now have twin Lehman P90's in my trawler. Also simple, reliable and easy to maintain although maintenance is a little more frequent.
Remembered tweaking the prop pitch to get max speed out of 3YM. Prior prop hit max rpm but I wasn't convinced I was getting enough speed. I used to run it all day at 1800 rpm. Never missed a beat.
Recommend installing a racor to separate out water from fuel if boat doesn't have one already.
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08-25-2018, 09:51 PM
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#12
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Guru
City: Cowiche, WA
Join Date: Sep 2011
Posts: 662
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Thanks SoWhat. Nice to get info like this from the forum.
Eric, yes we are looking at the A25 again. Haven’t decided how done we are with boating, kind of hard to stop cruising.
__________________
Keith Olive
1974 Grand Banks 36-427
Vashon Island, WA
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08-25-2018, 10:05 PM
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#13
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Guru
City: Concrete Washington State
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 18,743
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Think’in along those lines too Keith.
The A25 is one of the best boats ever built.
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Eric
North Western Washington State USA
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08-25-2018, 11:52 PM
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#14
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Guru
City: Cowiche, WA
Join Date: Sep 2011
Posts: 662
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Eric,
I think it is too. We have always looked at our time with an A25 as some of the best.
__________________
Keith Olive
1974 Grand Banks 36-427
Vashon Island, WA
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