I'v been running a half quart less than recommended with my 08 ex Spyder 11 ex Tri, 13 ex Sporty, And now my 17 Tri...Me, I found out that if you try to keep the oil at the full mark at all times, The oil will seek its own level, Especially at high RPM's and will blow-by...Till its a half quart down..Never had to do that with any Japanese bike i had...
Now That doesn't make them any better ' Just different...
And you notice i don't use the word LOW....The Low word makes some people ascared...