If so why.

 

All i know is higher octanes run at cooler temperatures, some bike say on the tank nothing lower then like 91oct.

 

I run the highest the station has, nothing but the best for my baby!

 

Shyt, I run 87. It gets the job done and factory recommends 86. Why spend the xtra money if I don't have too. Probably once my bike gets some age on'er I start creepin' up in octane.

I commute to work on my bike so I fill up like every 2-3 days and I'm not doing 100+ everytime I ride.

 

This thread was from a little while back. I think it's pretty much the same question, with a lot of responses. Here