pneumatic valve

By Mike Nicks Repsol Honda's 2006 world champion Nicky Hayden will ride the factory's new pneumatic-valve RC212V all through practice, qualifying and racing during the three days of the British MotoGP at Donington Park, Crash.net has learned.

By Peter McLaren Nicky Hayden still doesn't know which type of engine he'll be using at the 2008 MotoGP season opener, in Qatar on March 9, but suspects it could be last year's spring-valve design.

By Peter McLaren Yamaha caught some by surprise when its 2008 YZR-M1 appeared with the option of a pneumatic-valve engine at Sepang - but at present that development is only available to the factory Fiat team of Valentino Rossi and Jorge Lorenzo.