I am new to Saito 120 GS (my first 4 stroke). After running it for 40 minutes very rich, I leaned it a little, mounted the cowl, and went up flying. It all went well, except that it used some 12oz of fuel which I didn't expect, and the engine enclosure (cowl) was VERY messy with fuel (and or oil). I looked for leakage and after discarting some sources, concluded that fuel was coming out from an small hole drilled on top of the front bearing seating. I wonder whetther this is normal at this point of the break in process, or something is missing in that hole.
Otherwise the engine is great so far.