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ben23f
 Post subject: Valve Stem Seal
PostPosted: Fri Jun 26, 2020 3:40 pm 
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848cc
848cc

Joined: Fri Jan 01, 2016 5:23 pm
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Location: Austinmer NSW
Hi All,

I am cleaning up a 202 head and when I remove the valve spring there is this o-ring thing that prevents the valve coming out.
Attachment:
20200626_145208.jpg

What is this?
Where can I get replacements for this? I can't find any mention of them at any of the usual online places (unless I'm mistaken for what it is).

Thanks


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cooperess
 Post subject: Re: Valve Stem Seal
PostPosted: Fri Jun 26, 2020 3:51 pm 
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1098cc
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Joined: Wed Sep 30, 2015 9:38 am
Posts: 1572
Location: Brandy Hill, NSW
Looks like an old rubber valve stem oil seal.
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timmy201
 Post subject: Re: Valve Stem Seal
PostPosted: Fri Jun 26, 2020 4:18 pm 
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1275cc
1275cc
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Joined: Sun Apr 29, 2012 1:19 pm
Posts: 4496
Location: Wollongong, NSW
I’d just replace them with modern valve stem seals, they actually work :)

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drmini in aust
 Post subject: Re: Valve Stem Seal
PostPosted: Fri Jun 26, 2020 4:27 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39752
Location: near Baulkham Hills, NSW
They are included in head gasket sets. Used only with the wide collet groove valves. 850-997-998-1098.
As said above 1275 valve seals can be fitted, but the original valve guides don't have a retaining groove for them. Use some Loctite on the guide.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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ben23f
 Post subject: Re: Valve Stem Seal
PostPosted: Fri Jun 26, 2020 4:32 pm 
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848cc
848cc

Joined: Fri Jan 01, 2016 5:23 pm
Posts: 130
Location: Austinmer NSW
ok, so replace them with: https://minikingdomonline.com.au/produc ... er-s-type/ ?

And then which Loctite? Just the low strength (222) ?

Thanks
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drmini in aust
 Post subject: Re: Valve Stem Seal
PostPosted: Fri Jun 26, 2020 4:47 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
ben23f wrote:
ok, so replace them with: https://minikingdomonline.com.au/produc ... er-s-type/ ?

And then which Loctite? Just the low strength (222) ?

Thanks

222 is fine. I have 262 and used that. Even 515 or permatex anaerobic gasket maker will work.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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