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mind you looks a bit too chunky now I look closer

It looks familiar - could it be from inside the rubber suspension mounting bushes - like inside the tank mounting rubbers - just a thought - Duncan

I think your old post might have been the one I was referring to and I git it mixed up a bit - Duncan

I seem to remember an old post saying to be careful to remove any new powdercoat that would bear on the drive when it was replaced as this extra width could split the ring when refitted.
Duncan

There are grey plastic ones on my 79 sport, It is news to me that earlier ones were made of anything different - hence my post.
Duncan

https://www.dellorto.co.uk/shop/dellort ... m-plastic/
Is this possibly it? Difficult to compare with the black colour - apologies if I'm mistaken - Duncan

I'm not sure if it was stood but certainly had running issues which needed to be resolved so it is possible as it couldn't have gone far - although there was no sign of any corrosion in the barrels. I presume the ring had gone on one cylinder first as it was using some oil, then when the second cyli...

both of mine went as well, not long after I got it, the bores were clean. The engine went to NLM for a check over the heads and barrels and they could nit give a specific reason either.
Duncan

Hello - mine had similar marks from new - its a while back but I do remember checking up on it somewhere and getting the same answer - just can't remember where I got the information from now! But it did put my mind at rest - Duncan

Thank you - I think i have a base gasket weep at the minute that needs attention

If using aluminium gaskets and torquing only once do you follow the first of second figure? thanks - Duncan

They weren't by any chance bought as part of a group of several old Morini exhausts sold on e bay (thought I noticed some hiding among the others in the picture)
Duncan

My local Halfords used to have them when I last needed some - it was the easiest option where I live- they still have them to order in - type in continental fuses
Duncan

When I first got my 3.5 it would cut out on the front after exactly 7 miles then recover when cooled and do exactly the same thing again. It was uncanny how precise the distance was for it to recur. It turned out to be the stator coil breaking down when hot, or at least getting it rewound solved the...

e mail sent - sorry a few days late