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#1
04-19-2022, 10:04 AM
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125 Breather Leak
Good Morning.
Putting some time in with the newly rebuilt 125 and she is running beautifully. However, I have a slight leak at the breather that I can't get stopped. Have taken it apart just to make sure I didn't get a gasket cockeyed or something, I didn't. Everything is spiffy clean, drain holes are clear, new gaskets. I was able to minimize it by continuing to tighten it down but at some point I figure all I am doing is distorting the face plate by over tightening. Not much of a put sealant on everything kinda guy but beginning to think that may be my only option. It continues to leak after tractor is shut down so I don't think it is a pressure thing like from the reed. Thought I would run it by you folks before I take it apart again. Any thoughts? Ken 
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#2
04-19-2022, 03:40 PM
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The inner plate of the breather assembly has a small hole that should be on the bottom so excess oil can drain back into block.
There are two gaskets, I'm sure you followed the assembly sequence. I think somebody once mention the stud used to secure the breather has more threads on one end. As if you have it backwards, the nut will bottom out....I just went out to check mine (extra block) and both ends have the same amount of threads.
__________________
Two 125's and a 124 all with 42" decks Plow blade #2 Cart QA36 snowthower
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#4
04-20-2022, 09:35 AM
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Thanks for responses.
I would not of thought of the thread difference on the mounting stud. Will take it apart again today and triple check everything. I know it's all spotless inside but I will have another look. All I can think of is maybe the face plate is warped somehow or has a nick in it. Ken
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#5
04-26-2022, 11:58 AM
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I took this breather back apart and all was exactly like it should be. Except, I noticed that the new gaskets I put on were different thicknesses. The outer one was at least twice the gauge as the inner? Can't imagine that would matter but I had another set of gaskets the same gauge and used them.
Took some 400 grit paper and lightly sanded all the surfaces. Then smeared the thinnest layer of sealer I could possibly put down on mating surfaces. Ran it for couple hours yesterday and no leak. Yeah Ken
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