According to the Japanese engineers that were present at the European press launch of the new Yamaha WaveRunner the all new EX is equipped with a new pump of 143,8mm in diameter. The impeller is also new with 12,1/14,1 pitch specifically tuned for the new watercraft. The spec was supplied to Jetskiworld.gr through Jet-Porda in Germany and the photo was sent from Kommander Industries.
