[Shazaam!]

What part of "minimum octane rating of 90" don't you understand?

 

[Shazaam!]

The higher the octane the better.

NO — the closer you can get to the minimum recommended octane (without going under), the better.

http://www.ducati.org/forums/technical/46345-110-octane-fuel-what-could-happen-2.html#post638133