StephenRC45 wrote:from pinking then yes you need a fuel with a higher C.V. or RON rating. Most of our bikes here, even the race ones, will be fine on bog stock unleaded.

Interestingly, I had been running Super Plus, but went Oop North to do a trackday at Croft, where I could only get normal unleaded. I siezed after a few laps.

The trouble is of course, you don't really know how close you are, and when racing you like to be as safe as possible...
_________________
MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball