ORIGINAL: jaka
Hi!
First of all you must remember that no modern ABN, ABC, or AAC engine really need running in!
''Running in'' with these engines mearly means getting aguainted to the high and low speed needles.
But you might think of older (40 years or more) ringed engines...?
Modern Saito AAC engines are ringed and need a break in period. Click here to read the manual and learn how it's done:
http://www.horizonhobby.com/ProdInfo..._manual-lo.pdf