Yamaha

Swan Yamaha command a clear 1-2 result after qualifying at Oulton Park, ahead of John Hopkins and Loris Baz.

Dani Pedrosa wins the Portuguese MotoGP at Estoril - Jorge Lorenzo's Estoril run ends.

Race results from the Portuguese MotoGP at Estoril, round 3 of the 2011 world championship.

"Ok. I will be arrested! - Marco Simoncelli.

Full qualifying times from the Portuguese MotoGP at Estoril, round 3 of the 2011 world championship.

"In the coming years we'll have to tackle new challenges and bring into existence the most appropriate changes to make the MotoGP World Championship even more thrilling and spectacular"

Eugene Laverty rides around tyre problems in both World Superbike races to finish well inside the top ten at Assen.

Full race results (2) for the third round of the 2011 World Superbike Championship at Assen, Netherlands

Full race results (1) for the third round of the 2011 World Superbike Championship at Assen, Netherlands

"Every corner after I passed him I slowed down, taking it easy then all of a sudden I was on the floor" - Ben Spies.

"The bike didn't feel great coming out of the last corner to start the last lap and by the time I got to the first corner it just stopped" - Colin Edwards.

"We had a great chance for me to make my first podium with Ducati, or even my first win" - Valentino Rossi.

Race results from the Spanish MotoGP, round 2 of the 2011 world championship.

Jorge Lorenzo wins Spanish MotoGP at Jerez; Valentino Rossi takes out Casey Stoner; eight riders crash in 27 laps.

Marco Simoncelli finds biggest improvement in Qatar race lap from 2010 to 2011.

"It's a complete disaster and I can see no significant benefit in Rossi having delayed his surgery to test the Ducati late last year," - Wayne Gardner.

Massimo Meregalli expresses his thoughts on the 2011 MotoGP World Championship season - his first as team director with Yamaha.

The former World Superbike racer and team manager describes Lorenzo and Spies as the ideal pairing for his first season in charge.

Full race results (1) for the second round of the 2011 World Superbike Championship at Donington Park, United Kingdom

Marco Melandri says Max Biaggi showed his 'true professionalism' by blocking him during Superpole at Donington Park.

Full Superpole qualifying times for the second round of the 2011 World Superbike Championship at Donington Park, United Kingdom.

"I struggled to get by Valentino for a while, he was riding really well and he's not an easy guy to get around!" - Ben Spies.

Casey Stoner wins on his Repsol Honda debut at the Qatar MotoGP - Jorge Lorenzo demotes Dani Pedrosa to third.

Race results from the Qatar MotoGP, round 1 of the 2011 world championship.