Yamaha

"I had been second for the whole race and I didn't want to give up on it until the end" - Marco Simoncelli.

"Today I can relax... Almost every night I wake up thinking about something to remember to check or do"

Eugene Laverty prevents a potentially serious accident in race one at Portimao, but can't hold off Max Biaggi in the standings.

ParkinGO is on the verge of confirming its switch to the World Superbike Championship in 2012, with Chaz Davies riding a Ducati.

Valentino Rossi while overtaking Alvaro Bautista at Phillip Island.

Carlos Checa completes the 2011 World Superbike Championship with 15 race wins and a winning margin of 110 points over Marco Melandri.

Chaz Davies wins the 2011 World Supersport Championship by a clear 50 points after winning six of the twelve races.

Troy Corser made his World Superbike debut in 1994, beginning a career that would span to the end of the 2011 season.

Race results from the Australian MotoGP at Phillip Island, round 16 of 18.

Casey Stoner crowned 2011 MotoGP world champion.

Ben Spies joins team-mate Jorge Lorenzo in missing today's Australian MotoGP.

Jorge Lorenzo out of Phillip Island race, Casey Stoner on brink of winning the 2011 MotoGP title.

Full warm-up times from the Australian MotoGP at Phillip Island, round 16 of 18.

Full qualifying times (2) for the 13th and final round of the 2011 World Superbike Championship at Portimao, Portugal.

Full qualifying times from the Australian MotoGP at Phillip Island, round 16 of 18.

Full Saturday free practice times from the Australian MotoGP at Phillip Island, round 16 of 18.

"My chances of the Championship this weekend I think are very slim, almost none" - Casey Stoner.

The 2011 MCE British Superbike Championship standings after 12 rounds, including three title showdown rounds.

"Stoner could easily surpass what I've done, and perhaps even Valentino Rossi" - Mick Doohan.

Hayes's MotoGP test outing is a reward for winning the AMA Superbike Championship in 2011.

Full race results (1) for the 12th round of the 2011 World Superbike Championship at Magny-Cours, France

Race results from the Japanese MotoGP at Motegi, round 15 of 18.

Dani Pedrosa fastest during Friday practice 2 for the Japanese MotoGP at Motegi.

Honda, Yamaha side-by-side at Motegi museum this weekend.