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Jan Buchwald

The oil is pumped inte the crankbearings, from where it flows into the crankcase.
Here it flows into a well (one, each side). The bigends dips into these wells and “picks” up oil (throws it around and mixes it with the petrol).
The pistons have some cuts at the skirts that carries oil up into the bore.
Some Scotts had direct lubricarion to the bore.
“The book of the Scott”, and “The yowling two-stroke” are good sources for these informations