Registered Forum User
WSB Hero
Bikes: 1993 - 944SS & Aprilia Falco
Posts: 7,795
Join Date: Oct 2002
Location: north east
Hmmmmmm....consensus seems to be :
For trackdays: Does not make that much difference as anyone running a water cooled bike will be running antifreeze of some sort (eg Do what you feel happiest with).
For racing (in the UK): Water ONLY - no option.