Yelreppa

So got a novarossi Rolling was going to send it off to be broke in but now going to do the process myself just getting heads up from anyone that has this engine and what they found was the best way?
are the needles pre set rich?
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Roelof

There are 1001 ways to find, basically there is no best way, it is more about how patient you are.
Also I am pretty sure the manual has listed a breakin part and then there is this topic: "the engine break in bible"