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MF12 gas cap?


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#1 Conrad_Turbo OFFLINE  

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Posted July 20, 2016 - 03:23 PM

Is there a generic gas cap that would work with a MF12 gas tank?  Reason being is that mine doesn't have one and I'd like to keep fuel evaporation to a minimum!

 

Edit: I do see that it may use a modified 5 TPI Buttress thread.

 

http://www.kelch.com...ontour-225-cap/


Edited by Conrad_Turbo, July 20, 2016 - 03:33 PM.


#2 MH81 ONLINE  

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Posted July 20, 2016 - 04:06 PM

I would say that our Site Sponsors will have exactly what you need.

#3 DennyIN OFFLINE  

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Posted July 20, 2016 - 04:39 PM

The kelch cap looks to be a coolant cap, most buttress threaded profiles are coolant applications. 



#4 Bolens 1000 ONLINE  

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Posted July 20, 2016 - 05:28 PM

What does the original cap look like?

Do you have specs of the thread ID/OD



#5 Conrad_Turbo OFFLINE  

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Posted July 21, 2016 - 01:49 PM

s-l400.jpg

Not my tank or photo...just an image I found off the net.  It's a basic metal cap with a single vent hole in the middle of it.  I haven't had a chance to measure it...but it's almost the same size as a gatorade bottle opening.  I took the gatorade cap and cut the threaded section in three places and it now resides on the filler hole till I can get the proper cap.

I will measure it when I am home tonight.  It seems like it'd be a fairly typical "lawn and garden" type cap, I just wasn't sure the specs on it and the last thing I want to do is have to take the tank off the mower to get one fitted.



#6 Sawdust OFFLINE  

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Posted July 21, 2016 - 03:14 PM

The neck 1 3/4" diameter x 1/2" high. Vented metal cap with a hard plastic insert. Hope this helps.

Gas cap2.jpg Gas cap1.jpg


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#7 Conrad_Turbo OFFLINE  

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Posted July 22, 2016 - 02:00 PM

Awesome thanks so much!  I will check the thread pitch on the tank and with your photos it'll definitely help when I walk into a small engine repair place to see if they have anything.  Gatorade cap must be 1-1/2" in diameter then.  lol


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#8 5ubtle OFFLINE  

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Posted July 29, 2016 - 04:22 PM

I bought an Arnold brand, generic B&S replacement cap (GC-175) which fit mine MF12.  $2.50 at Ace Hardware.

http://www.acehardwa...oductId=1272458

 

The sealing surface of the fill neck on my tank was damaged, so I made the shouldered insert that is seen in my photo.

 

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#9 ACmowerguy OFFLINE  

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Posted August 02, 2016 - 10:43 PM

It seems some years ago I had run across an old Briggs and Stratton cap that happen to be the same size. If I run across the number I'll post it.






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