In response to an earlier quarry about 4 stokes, someone advised using a tach so as not to exceed 10-11000 rpm while breaking in a new Saito 180 or I may "FLOAT THE VALVES", can someone elaborate on this statement?
Also, from reading around in this site, I find that I can expect a lot of initial vibration, my question, canI just run a couple gallons through before installing this in the plane?
Pardon my ignorance to these 4 strokes, but, can I install this engine in a regular mount and bolt the mount to my work bench, or, will I need some bushings or some type of "shock absorber" between the mount and bench to reduce the vibration stress on the engine?
Any help you can give will be appreciated!

THANKS....