If you ask 1000 folks that question, you'd probably get 1000 different answers.
And maybe 1001.
Gentle for the first 1000 miles in long spells was the instruction back then, and probably still applies today.
Since the fit and clearances and materials likely haven't changed one little bit.
With the proviso that sets of pistons rings I've bought over the years (not Dragonfly)
have often included the instructions "give it some quick brief bursts of full throttle"
early in its life. To seat the piston rings in properly..
I'd be a little wary of that 'running in oil'.
Factory supplied new bikes would have had the best ?
Maybe not synthetic oil to begin with though, if you must.
