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Hi. Thanks very much for the replies. It would be interesting to find out what is the piston manufacturer should I need new rings in the future. I suppose any bore damage after this it is new liners and pistons. Ouch!

Thanks, Phil.

Anyone heard of using 88mm pistons in a 900ss bevel engine?

Hi. This is a long shot and I realise I am unlikely to get an explanation, but here goes....

I have removed the barrels of my 1982 MHR and they have both been bored to 88mm. (cast iron liner). On the top face of the aluminium near the liner are some initials or markings of someone I assume has ...

Hi. I am doing a top end refresh and have found my 1982 MHR has 88mm pistons fitted. The pistons look relatively new (little carbon build up) and there is a number stamped on the crown of the piston, this reads 88-67493\C. Can anyone identify this piston? I cannot see any visible markings on the ...

Hi. Thanks for all the helpful comments put forward. I think I have resolved the problem and it was a mistake by myself. When I was removing the front cylinder head I removed the housing at the bottom bevel, thinking that this was necessary to release the chrome drive shaft tube. ( ie didn't realise ...

Hi Grant,
Thanks for the reply. I have refitted the piston and barrel for the front cylinder and the piston rings looked in good condition and the bore in good condition too, if a little polished.
I looked at the new book by Ian Fallon today ( Ducati bevel twins - Authenticity and resoration guide ...

My issue is with my 1982 MHR. I have noticed burning oil mainly on start up, so have assuming it is oil draining down the valve guides after shutdown.

I have removed the front cylinder head to investigate and found the silicone exhaust valve stem seal loose on the valve stem.(I found that the ...