+1Why? 10w40 is all you need. IMO 20w50 is just too heavy in a Kawi. These bikes are water-cooled and just don't run hot like a Harley.
What you said....it is true but do we want to believe the myth vs the fact?yes you can mix oil weights, fact is you can mix dino and synthetic if you like also.
you can also switch between synthetic and dino oil as often as you want to.
there, i think i addressed all the oil myth's![]()