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Author Topic:   fuel/water separator for montauk
specktrout posted 04-21-2002 11:12 PM ET (US)   Profile for specktrout   Send Email to specktrout  
I am considering adding a fuel/water separator to my montauk after seeing one in another boat. I would like to hear any opinions regarding preferences for the different brands that are out there as price seems to vary considerably. Does anyone else have one in a montauk and Do you think it makes any difference?
lhg posted 04-21-2002 11:24 PM ET (US)     Profile for lhg    
There was a long thread on this subject about a year ago. Many for it, many think it's not necessary.

I have noticed that now BW is rigging boats directly at the factory, the 13 Sports and Montauks, both without built-in tanks, are not being furnished with them.

My 18 Outrage (built-in aluminum tank) came with a sticker on it saying water seprating fuel filter strongly recommended. The Montauks do not come with this advice. Internal tank condensation is the real problem, in cold climates, and above deck plastic/fiberglass tanks are not known for this.

PMUCCIOLO posted 04-22-2002 06:35 AM ET (US)     Profile for PMUCCIOLO    

Regardless of the type or location of the fuel tank (except for the small portables), I'd suggest a fuel/water separator. I understand lhg's rationale, but I did (unfortunately) pump bad gas into one of our older 15's with a Pate tank. Fortunately, the motor "cleared out" on its own after the tank was emptied and fresh fuel was added. No costly repairs were needed.

I'd suggest the Racor or OEM unit with Racor or OEM filters, respectively. My brother's Montauk has the fuel/water separator mounted on the front, lateral portion of the splashwell. My Alert has it installed on the front of the transom inside the splashwell.

Are these areas subjected to constant spray? Of course! The preventive mainenance? A thin coat of silicone spray prior to and after each trip.

I'm sure that other forum participants have had a lot more experience in this area than I, but I hope that this helps.


Guts posted 04-24-2002 01:00 AM ET (US)     Profile for Guts  Send Email to Guts     
I will have to check the # but trust me the one I have is what the one you want. it is small water separator/filter the filter # I have here in the room it is a RACOR S3240 now this the filter# not the hole filter! it will fit on the transum in front of the tunel NO PROBLEM.if you can not find it at the racor site I can give you the # of the hole thing if I go thru my ricipets. e/m me if you can not find it ok ...
John from Madison CT posted 04-24-2002 07:21 AM ET (US)     Profile for John from Madison CT  Send Email to John from Madison CT     
I've seen that one too. I don't remember the Model #, but most of the boat stores have it. (i.e. West Marine, Boat US etc)

It's about 50% smaller than your typical water seperator and if I remember correctly reading the specs, it can handle 30gph.


Guts posted 04-25-2002 08:59 AM ET (US)     Profile for Guts  Send Email to Guts     
I think the Racor # is; 120R it has two in ports and two out ports.
Kelly posted 04-25-2002 10:30 PM ET (US)     Profile for Kelly  Send Email to Kelly     
Is the Racor unit the one with the clear bowl and valve on the bottom so you can drain water out? I saw one of those the other day and thought it was a great idea. Kelly
Dick posted 04-25-2002 11:16 PM ET (US)     Profile for Dick  Send Email to Dick     
I think the Racor is overkill price wise when you start replacing elements.
I run a Tempo (I like the chrome plated head) OEM units are great as are the Sierra unit. The key is to get a Mercury compatable unit and the replacement filters are dirt cheap. I run the Merc filter on my Tempo head. Installed it on the forward side of the splash well.
aubv posted 04-26-2002 08:02 PM ET (US)     Profile for aubv  Send Email to aubv     
You should check the engine mfg's recommendation. The Merc 225 optimax engine has a fuel/water seperator filter mounted on the engine. It is about the size of a small oil filter and I belive they recommend you don't add another inline filter.


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