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DIY Gaskets

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nowhere.elysium
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PostPosted: 18:51 - 14 Jul 2011    Post subject: DIY Gaskets Reply with quote

While I would ordinarily turn to the nearest cornflakes box at the merest suggestion of needing a gasket, I need ones for my GS carburettors, and bollocks am I paying £40 for a set.

Can I just buy a sheet of gasket material for it, and is there any special type that has to be used for carbs?

:edit: - I know that it's possible to buy sheets of gasket material, it's more whether it's a special type that I want to know.
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stonesie
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PostPosted: 19:37 - 14 Jul 2011    Post subject: Reply with quote

As long as it is ok for petrol it should be fine, I know it turns some grades of silicone to mush.

Hylomar blue is fuel resistant Wink
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nowhere.elysium
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PostPosted: 19:41 - 14 Jul 2011    Post subject: Reply with quote

stonesie wrote:
As long as it is ok for petrol it should be fine, I know it turns some grades of silicone to mush.

Hylomar blue is fuel resistant Wink


I believe it's the red version that's fuel resistant, what with having bought some recently. There's no way that I'm using instant gasket on a carb; that's asking for trouble, especially after forking out £65 quid to get them properly cleaned.

I suppose that I can go see if the local autofactors has any gasket material.
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bryvw1973
Two Stroke Sniffer



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PostPosted: 20:19 - 14 Jul 2011    Post subject: Reply with quote

i have used normal gasket paper on a carb float bowl with no problems but it was meant to have a paper gasket if that helps
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temeluchus
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PostPosted: 20:41 - 14 Jul 2011    Post subject: Reply with quote

Jbweld and similar can be used to seal up carburettors.

Ptfe tape can be used in place of o-rings on idle screws and the like.
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nowhere.elysium
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PostPosted: 20:45 - 14 Jul 2011    Post subject: Reply with quote

Temeluchus wrote:
Jbweld and similar can be used to seal up carburettors.

Bit less permanent, ideally. It's a rolling restoration, and I know I'm going to need to get in the carbs again at some point in its life.
Temeluchus wrote:

Ptfe tape can be used in place of o-rings on idle screws and the like.

Bit too 'rat' for this bike. Might give it a shot, if it comes to it. I've not encountered any overly expensive O-rings yet, though.
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stinkwheel
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PostPosted: 20:57 - 14 Jul 2011    Post subject: Reply with quote

Does it need to be especially thick?

Cardboard is fine on carburettors. I've used it on inlet manifolds before.
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jimspeed
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PostPosted: 21:29 - 14 Jul 2011    Post subject: Reply with quote

stinkwheel wrote:
Does it need to be especially thick?

Cardboard is fine on carburettors. I've used it on inlet manifolds before.

/\ this, I have used filter box's before now on carbs and they have been fine once tight, you may want to re'tighten the fitting screws once its had chance to get the card wet tho (some carb gaskets for the old cars at work were getting very hard to find)
thinner is usually better unless you have lots of warpage Wink
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nowhere.elysium
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PostPosted: 06:51 - 15 Jul 2011    Post subject: Reply with quote

Cool. Cheers for the help guys: I'll go nick the cereal box now, then.
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