Good morning,
I have a 1972 CB750K2 that is all stock and running well. Recently I have noticed that there is a very light oily sheen appearing around the perimeter of the head gasket after riding. It looks like oil is slowly wicking through the gasket. This only happens while the motor is running. It doesn’t happen while the bike is sitting. It doesn’t drip or run, it just gets a little damp around the gasket.
The bike had sat for many years before I owned it so I’m assuming that the gasket has deteriorated and is now beginning to leak? I guess this means that I will soon be looking at doing a top end rebuild.
Anyone else with a similar experience or advice I would be happy to hear from you. Thanks