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On copper exhaust gaskets.

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Athame57:
Can anyone tell me if copper exhaust gaskets are an improvement over the originals?

Laverda Dave:
Can you still buy the originals George considering they contained asbestos?
I've always used cooper gaskets although some appear to fit better than others. I normally tap mine home using a suitable sized socket in order not to distort them. When I tighten the header pipes I do it in stages across all four pipes to make sure they are all seated correctly.
Never had a cooper gasket blow at the joint so maybe not better than but equal to the originals in my opinion 👍.

Bryanj:
They aint solid copper but have some sort of compressible filler in them, and that was original by the way

Laverda Dave:
Thanks for the clarification Bryan. I remember taking some out back in the 80’s on my 400/4 at the time they were made of a white woven material (asbestos?) and were spiral bound with very thin wire. I immediately thought they looked very dodgy and they left fibres in the port.

kevski:
I’ve noticed as of late a lot of these copper rings are only copper plated steel and aren’t really up to the job, so now I have gone to the aluminium and fibre type, put a magnet to the copper ones if it picks them up they are cheap Chinese fake rings.

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