The good old red Stag sealant (soften with metho..don't drink it;-) I used to use when I had my street bike CZ when I was 15 and Gasket Goo. As I lived in small country town, I used the back of a writing pad, cardboard for gaskets. For cylinder head, tossed the gasket and used Gasket Goo hoping for a bit more compression. Was told a CZ would do 58mph flat with the rider lying on the tank, elbows tucked in. Police Land Rover of the era, exact same speed they say ;-) Called balance.
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