Yanmar 2GM20F and Racor 500Fg, Fittings!! - SailNet Community
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post #1 of 12 Old 02-20-2011 Thread Starter
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Yanmar 2GM20F and Racor 500Fg, Fittings!!

Hi,
wondering if anyone can help me with this. I have a Yanmar 2GM20F with an old Racor 110A filter. The Hoses are 1/4'' ID (from tank, to filter, to engine). The Racor 110A broke (is very old) and I have a new Racor 500FG. Now the problem...I cant find a fitting that will work with the filter (3/4''-16 UNF) and the hose (1/4'' ID). Only thing available is 5/16 ID for the hose (that will fit the filter port), which will be fine, I can change fuel hoses and tank fitting, but what about at the engine? can that fitting be replaced for one that will fit a 5/16 ID hose? is there even a fitting?
Have spent hours online trying to figure this out...no help!
any ideas?
Thanks for any help.
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post #2 of 12 Old 02-20-2011
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While I would try to replace the fitting on the engine and run the 5/16, I suppose a barbed hose reduction coupler to connect the 1/4 hose off the engine to the 5/16 off the filter would work. Disclaimer.... I'm not sure I like a cut in a fuel line.


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Last edited by Minnewaska; 02-20-2011 at 06:26 PM.
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post #3 of 12 Old 02-20-2011
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Why not go get a 110A and be done with it? Same fittings and same mounting.

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post #4 of 12 Old 02-20-2011 Thread Starter
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Thanks for your responses. Minnewaska I cant find a barb fitting to do that....maybe a lack of search skills....what makes it more intriguing to me is that there are a few posts on the web saying that their 2GM20F uses a 5/16 fuel line!

countdemonet, long story short, I had the 500Fg already (from my previous boat, never got to install it), and prefer this model than the 110A for several reasons...

Last edited by cspaniel; 02-20-2011 at 07:09 PM.
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post #5 of 12 Old 02-20-2011
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Makes sence.

I know your frustration. I planned to add a priming bulb between the tank and the Racor but couldn't find the fittings locally.

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post #6 of 12 Old 02-20-2011
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You just need the Racor 911-08-F4 straight fitting and a standard 1/4" barb X 1/4" NPT male hose barb fitting. Do not use teflon tape to seal the NPT threads use only a diesel safe pipe dope like Hercules Real-Tuff or similar.

To go into the filter you need to use the Racor specific 3/4 X 16 fitting above that comes with the o-ring.

It will be 3/4" X 16 on the Racor side and 1/4" female NPT on the hose barb side.



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post #7 of 12 Old 02-20-2011 Thread Starter
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Maine Sail thank you so much! that is exactly what I was looking!

Last edited by cspaniel; 02-20-2011 at 07:46 PM.
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post #8 of 12 Old 02-20-2011
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Fittings for Racor

I have used these people before. Shipping was cheap and quick.

Good Luck

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post #9 of 12 Old 02-21-2011 Thread Starter
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thanks! I was looking at fittingsforracor.com but could not figure things out, until Maine sail posted above, feel pretty stupid!
Thank you again!
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post #10 of 12 Old 02-21-2011
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The fittings with the o rings are standard hydraulic fittings. Most every parts store will have adapters and hose barbs to connect to the hose size you like.

Why, why, why?
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