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knumbnutz
Tanabuso
Tanabuso
knumbnutz

Posts : 76
Join date : 2018-10-31

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PostSubject: Breather leaks   Breather leaks Icon_minitime1Mon Jul 08, 2019 10:25 am

So I was fixing a couple of oil leaks on my GRiSO, one from the oil pressure switch - swap for new one, one from the inspection plate on the timing chain - replaced the o-ring and one from the breather cover on the left side barrel - replaced the o-ring.
In doing the last one, the o-ring originally had gasket goo all around it so I treated it with a new o-ring and de-goobed it. Thought that would be enough.
But after a decent ride noticed that it again was still leaking. Not from the pipe, still from the o-ring. damn..
So i did some measurements and thought maybe it's easier just to make a new cover plate and fix the issue.
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knumbnutz
Tanabuso
Tanabuso
knumbnutz

Posts : 76
Join date : 2018-10-31

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PostSubject: Re: Breather leaks   Breather leaks Icon_minitime1Mon Jul 08, 2019 10:28 am

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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 6510
Join date : 2013-05-30
Age : 62

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PostSubject: Re: Breather leaks   Breather leaks Icon_minitime1Mon Jul 08, 2019 10:45 am

Nice. I think the o-ring seal alone is a bit hit and miss in this location. I use a very thin smear of threebond on the mating face.
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knumbnutz
Tanabuso
Tanabuso
knumbnutz

Posts : 76
Join date : 2018-10-31

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PostSubject: Re: Breather leaks   Breather leaks Icon_minitime1Mon Jul 08, 2019 11:18 am

I was going to try the same and I reckon the oring moves too much in the cutout which is why i made my cutout fairly snug on the oring. I was thinking just to 3bond it too, but my worry was the plastic surface warping a little and not mating properly, but the aluminium shouldnt pose this issue. If you've done it, then mines probably overkill but I hate oil leaks and if I wanted them I'd ride a triumph. Very Happy
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beetle
GRiSO Capo
GRiSO Capo
beetle

Posts : 6835
Join date : 2013-10-01

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PostSubject: Re: Breather leaks   Breather leaks Icon_minitime1Mon Jul 08, 2019 1:06 pm


Excellent work.

Cred given.



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