Very quick reply, just dashing out door
the gasket is there , so that the surfaces can be made to a lesser tolerance. the sealing agent is there so that a good seal is garrenteed in a production line situation.
If you lapp 2 surfaces fine enough you would be hard pressed top separate then, Slip guages for example.
With my Cr I lapp both barrel and head together then use copper gasket spray. they havent leaked yet !
The material you choose also effect heat transfer , on My older Royal Enfield I also lapp the head, to help with heat flow but it has a lip to help sealing
Just take care with the surfaces and you should be right
the sticky out thing in phot I think is just a sticky out thing
Stephen
"Look, Madame, where we live, look how we live ... look at the life we have...The Republic has forgotten us."
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