Cruisers Forum

Join CruisersForum Today

Thread Tools Rate Thread Display Modes
Old 29-05-2016, 06:07   #31
Registered User

Join Date: Dec 2011
Location: Massachusetts
Boat: Formosa 41
Posts: 592
Re: Yanmar spares I should carry

Great thread. Lots of helpful information. Thanks everyone.

I carry many of the spares mentioned but engine had issues while on a passage. As to whether I have the correct spares I always keep in mind that our boat is a sailing vessel and can probably get from A to B without an engine.

I only mention this because it really does keep my stress level down.

Jason Flare is offline   Reply With Quote
Old 29-05-2016, 06:54   #32
Registered User
funjohnson's Avatar

Join Date: Mar 2010
Location: Out cruising again (maybe Caribbean)
Boat: 37' aluminum pilothouse "Elements"
Posts: 1,944
Re: Yanmar spares I should carry

Originally Posted by Jim Cate View Post
IMO, other than consumables, trying to guess what will break down is a crapshoot, and you can drive yourself around the bend struggling with that idea. Sudden catastrophic failure in a reasonably maintained yottie diesel is a rare thing. Episodic failures in the fuel supply are more common, but don't require massive spare lists to cure.

Carry a good supply of the known consumables for your engine, and don't worry too much about the big items.


The OP is going to the Caribbean in a 27' boat.... it's not the ends of the earth.

We were going to buy a used engine and strip it for parts before we left for the Caribbean our first time. Someone convinced us that we're over thinking it.... they were right.

Worst case- Do as the Pardeys, and be towed in to harbor everywhere.


Youtube MJ sailing - Vlog - Written Blog
Rebuilt Aluminum Boat Over 2 Years... Now Back Cruising!
funjohnson is online now   Reply With Quote
Old 29-05-2016, 13:33   #33
Registered User

Join Date: Oct 2014
Location: Clayton, NY
Boat: Beneteau OC 41
Posts: 210
Re: Yanmar spares I should carry

On the subject of fuel maintenance, I asked a diesel mechanic if he would recommend using microbial treatment. He said don't bother, but Ive read many posts recommending it. Anybody have conclusive evidence to support using it?

The other item I'm considering adding is a fuel/water separator on the outboard fuel line. Same question: Is it necessary or superfluous?
robgrant1 is offline   Reply With Quote
Old 29-05-2016, 13:40   #34
Senior Cruiser
Kenomac's Avatar

Cruisers Forum Supporter

Join Date: Jan 2012
Location: Somewhere in the Adriatic Sea
Boat: Oyster 62 G5 Cutter, Oyster 53 Cutter (for sale?)
Posts: 8,663
Re: Yanmar spares I should carry

We have not used a biocide anti microbial in over two years, ever since we added the fuel polishing system.
Kenomac is online now   Reply With Quote
Old 31-05-2016, 10:50   #35
Registered User
FecklessDolphin's Avatar

Join Date: Oct 2010
Location: Tortola
Boat: Morris Justine 36'
Posts: 145
Re: Yanmar spares I should carry

I think the 3JH2 would affect the trim quite a bit on the J/27. This engine is in the Morris Justine. I changed my profile to be more clear.
FecklessDolphin is offline   Reply With Quote
Old 31-05-2016, 11:54   #36
Registered User

Join Date: May 2016
Location: ICW heading north
Boat: 81 Hunter Cherubini 27
Posts: 313
Images: 3
Re: Yanmar spares I should carry

The anti-microbial stuff works great.....if you have tons and tons of fuel onboard that doesnt' get changed out regularly, or if you leave diesel sitting in your tanks a year or more? If you are running your engine, filtering the fuel, and refueling on a regular basis, adding anti-microbial additives is an unnecessary cost. For boats that regularly use their engines (which most do). Filtration is the most important thing....spend money on that instead of additives that you don't need.
Teknishn is offline   Reply With Quote
Old 31-05-2016, 12:14   #37
Registered User
Stu Jackson's Avatar

Join Date: Jan 2011
Location: Cowichan Bay, BC (Maple Bay Marina)
Posts: 6,607
Re: Yanmar spares I should carry

Originally Posted by Dockhead View Post

If someone has a cross reference to some generic replacement, I would be very grateful to have it.

Over the years many folks have asked this question and there have been tons of responses, but never "documented" or put in one easily accessible place.

In most cases, a Google search (not only on this forum, but internet-wide) with "Yanmar filter EQUIVALENTS" will yield good results.

Good luck, the info IS out there.

FWIW, for our Universals, our Catalina 34 website has, for many years, listed all those equivalents. I know it doesn't help you in the least, but it is an example of how skippers have pooled their knowledge after finding less expensive methods of procuring parts. In all my internet boating forum experiences over the past 15 years (!), I have never found or read or read about a "Yanmar" equivalence for any of their engines as easily accessible as for our M25 and M35 series engines. Not boasting, just giving an example. Hope you find one for yours.
Stu Jackson
Catalina 34 #224 (1986) C34IA Secretary
Cowichan Bay, BC, (Maple Bay Marina) SR/FK, M25, Rocna 10 (22#) (NZ model)
Stu Jackson is online now   Reply With Quote
Old 31-05-2016, 12:41   #38
Registered User

Join Date: May 2008
Posts: 2,063
Re: Yanmar spares I should carry

I agree that burning lots of fuel and/or regular polishing will not require antimicrobials - but a lot of sailboats don't go through much fuel.

I put in Biobor Jf for insurance (I think the other anti-microbials are probably just as good). 1/2 oz for 40 gallons at fillup. Costs less than $1. Certainly does no harm.

I had a serious problem with a boat 10 years ago that had been stored for 6 months ashore in the Caribbean before I bought it. For the whole time I owned the boat, every rough passage would shake some gunk loose from the tank wall that would then clog the filter - sometimes stopping the engine at sea.

Once the gunk starts sticking to the tank walls, there's no easy way to get rid of it without opening up the tank and professionally cleaning it.
CarlF is offline   Reply With Quote
Old 04-06-2016, 05:11   #39
Registered User

Join Date: Feb 2016
Posts: 160
Re: Yanmar spares I should carry

Originally Posted by Kenomac View Post
Many of the parts can be cross checked online for equivalent parts at much cheaper prices than Yanmar. Replacement Purolator oil filters are only $8 each at your local auto parts house. Replacement fuel filters cost a fortune because of some warning device wired into it, I remember paying over $100 euros for each one from the Yanmar dealer in Menorca. Since I installed a fuel polishing system, both of the spare fuel filters remain in the kit unused. The bad stuff gets filtered out long before it makes its way to the engine filter.

Cross check some of the parts online, you may be able to cut your cost in half and pick up many things just down your street at the parts house.
Hi Ken, Can I ask what fuel polishing system did you install. And the cost of the filters ect..
peter57 is offline   Reply With Quote
Old 05-06-2016, 15:38   #40
Registered User

Join Date: Oct 2007
Location: virginia
Boat: islandpacket
Posts: 1,881
Re: Yanmar spares I should carry

Yes to the outboard. A mechanic friend told me the he has seen no end to fuel problems sence the change to added ethenol. Extra filter inline

That derelict boat was another dream for somebody else, don't let it be your nightmare and a waste of your life.
Badsanta is offline   Reply With Quote


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
[SOLD] Yanmar Engine Spares Drennan Classifieds Archive 0 02-02-2015 10:56
What Should I Carry on Board ? nv5l Off Topic Forum 14 20-09-2011 05:11
What spares should a cruising yacht carry? boredinthecity Engines and Propulsion Systems 21 12-08-2005 04:46

Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 07:51.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.