re what octane jnmoyne lbl gov jean noel moyne writes how do you know what kind of gas to buy depending on the compression ratio of your engine i heard ok but what kind of gas goes for what kind of compression i m asking this because i used to put in my hawk gt and the other day i changed because i wanted to see if there was a difference and i don t know if i m being subjective or what but it seems like the bike runs better run your bike on the lowest octane that it will run smoothly on higher octane fuel is not better than lower octane gas pick up the last american roadracing magazine there s a short article in there about octane and the misconceptions many people make about the subject look at your owners manual i believe it states is just fine erik astrup afm dod cbr rr cbr concours ninja this one goes to eleven nigel tufnel lead guitar spinal tap
