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Lap times as of 6pm, at the end of Monday's post-race MotoGP test at Catalunya, Spain.

Lap times as of 1pm during the post-race MotoGP test at Catalunya.

Race results from the Catalunya MotoGP at Barcelona, round 6 of 18.

Qualifying times (1) from the Catalunya MotoGP at Barcelona, round 6 of 18.

Full Qualifying times and grid line-up for the Italian MotoGP at Mugello, round 5 of 18.

Qualifying times (1) from the Italian MotoGP at Mugello, round 5 of 18.

"In conclusion, it will not be possible for a rival manufacturer or team to 'claim' an M1 engine."

Race results from the French MotoGP at Le Mans, round 4 of 18.

"Jean Claude was a legend in our industry and the man behind decades of top-level Yamaha Motor France participation in all forms of motorcycle racing" - Lin Jarvis, Yamaha.

'I am very satisfied with the work we are doing, everything is working perfectly and we are still the reference point for the CRT competition' - Aleix Espargaro

'Clearly, we have taken a huge step up from last season' - Aleix Espargaro

Race results from the Qatar MotoGP at Losail, round 1 of 18.

Qualifying times (2) and full grid order for the Qatar MotoGP at Losail, round 1 of 18.

MotoGP lap times as of 3pm on the final day at the final official 2013 pre-season test, held at Jerez.

MotoGP lap times as of 6pm - the end of the first day at the final official 2013 pre-season test, held at Jerez.

MotoGP lap times as of 5pm on the opening day at the final official 2013 pre-season test, held at Jerez.

MotoGP lap times on day two at a private test session held at the new Circuit of the Americas in Austin, Texas.

MotoGP lap times as of 6pm - the end of the second day at the second official 2013 test, held at Sepang.

Yamaha is to take the wraps off the official 2011 livery for its YZR-M1 just ahead of the second pre-season group test at Sepang in Malaysia later this month

Following two months away from his Yamaha YZR-M1, Jorge Lorenzo left even his own team manager impressed with his pace out-of-the-box as 2011 MotoGP testing kicked off at Sepang...

Yamaha, which has completed a clean sweep of Riders', Constructors' and Teams' MotoGP World Championships in 2009, gave its annual YZR-M1 technical presentation on Friday night at Valencia (see below for more pictures).

Having won the triple crown of Riders', Constructors' and Teams' MotoGP World Championships in 2008, Yamaha needed no fundamental changes to the concept of its YZR-M1 for 2009 - but one word comes up again and again when team members are asked about the new machine; acceleration.

At the season-ending Valencian Grand Prix, Fiat Yamaha Team director and YMC MotoGP group leader Masahiko Nakajima gave a technical presentation (pictured) about Yamaha's triple title-winning 2008-spec YZR-M1.

By Peter McLaren Yamaha has extracted five more horsepower - or 'ponies' as engineering general manager Masao Furusawa calls them - from its YZR-M1 since the end of last season, but believes another three or four will be needed for the 2008 Qatar season opener.