ORIGINAL: DIVERHERB
What is meant by a ''bushing'' engine? I have a an older O.S. max 45f and an O.S. 25 and a 20 all 2 strokes
I also have a Como S 40.
Out of your collection, I would go with either the O.S. .25 or the Como .40 (providing they're still in good running condition? )