This was an almost standard bike and so has spent its whole life without anything approaching proper filtration of its air and oil. Such refinements did not arrive until the next iteration of the T line – the 850 T3. Evidence of the harm all that dirty air and oil can do is everywhere.
Also revealed: a pukka factory fix for porous crankcases. The owner stopped off at Mandello back in ’76 on his way home from Botswana and the factory finally put an end to the weeping. Aluminium putty roughly applied and a coat of sealant. Effective but not very neat. I think we’ll tidy it up.
Elsewhere …