What octane rating is everyone running

Gen II says minimum 90 ,
do not have 90 around here ,
so I run Shell 93 octane . . .












:race:

Dyno Sheet 197.jpg


#BestFuel ~ #EveryoneRunning ~ #WhatOctaneRating ~ #THEoRg *

 
I’ve used 89 in the Busa since new but my Caddy takes 91. My Z900RS takes 91 also. I may try 89 in it as well.
 
I just tried a 4:1 ratio: 4 gals 91 + 1 gal 100 (Unocal 76 Racing fuel ... $9.36/gallon)
Nothing blew up, and I know there's a formula out there to determine what the actual octane became. Seemed to get better MPG (maybe a 2 MPG improvement), but I'm clueless on evaluating performance cuz the bike's already fast enough for me and I may have just imagined it being peppier
 
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