Rumors are currently going around about the change of rules in Pro Ski class. Among the new regulations it might possibly permitted the use cylinders with bigger displacement up to 900cc or even 1000cc. During the World Finals a Japanese company had on display such a cylinder block which was machined from billet aluminum and it also featured CNC machined pneumatic power valves. We have already been informed that other famous tuners like Steve Webster of Jet Ski Unlimited plan to build tricky Yamaha for next years World Finals.
