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The VintageBike Message Board => The Classic Biker Bar => Topic started by: John Taylor on January 13, 2017, 08:11:40 PM

Title: Gasket cement - osotite?
Post by: John Taylor on January 13, 2017, 08:11:40 PM

I am about to start the reassembly of a 1950's Guzzi single.

What is the recommended modern gasket cement please.

JohnT

Title: Re: Gasket cement - osotite?
Post by: Rex on January 13, 2017, 09:11:35 PM

I shall be doing the same in a month or so.
As always, Wellseal or Blue Hylomar, or even just a greased paper gasket, depending on the particular joint.

Title: Re: Gasket cement - osotite?
Post by: iansoady on January 14, 2017, 10:53:31 AM

Wellseal for me. If the faces are good and have a gasket, grease as Rex says; if not so good then grease on one side, Wellseal on the other.

Title: Re: Gasket cement - osotite?
Post by: mini-me on January 14, 2017, 01:21:27 PM

I prefer Wellseal as you can paint it on with a small paintbrush,thus cutting out the great
oozing blobs of jointing compound that some folk seem to believe is a sign of expertise.

Strictly speaking compound is only necessary on gasketless joints, which is about the only place it was originally used; most paper gaskets are fine with just grease, I cannot remember seeing any new bike with using compounds on paper joints.

Also the thinner the paper the better in most cases.

Title: Re: Gasket cement - osotite?
Post by: iansoady on January 14, 2017, 02:51:16 PM

I agree about the unsightly blobs, although silicone has its uses (exhausts for example).

I always wipe round a Wellsealed joint with a rag dipped in cellulose thinners to remove any slight excess.

Title: Re: Gasket cement - osotite?
Post by: John Taylor on January 14, 2017, 07:04:03 PM

All

Thank you for your advice.

JohnT