Yamaha YZR-M1 — Wikipedia, the free encyclopedia

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Yamaha YZR-M1


[ edit ]

2002 was the first which allowed 990 cc 4-strokes to be alongside 500 cc 2-strokes. In a change their V-4 YZR500. Yamaha the YZR-M1 (for Mission with an inline-4 engine, in to have a longer swingarm and wheelbase.

Also, Yamaha to preserve the superior handling of the so the M1’s engine was designed to fit in a similar to the YZR500’s. The M1 was outfitted an electronic engine management that controlled the engine endemic to 4-strokes. [ 1 ] [ 2 ]

The M1 was test-ridden and by Max Biaggi. John Kocinski. Fujiwara and Kyoji Namba 2001.

It was raced in the 2002 by Biaggi and Carlos Checa on the team, and towards the end of the season M1s also provided to Norifumi Olivier Jacque and Shinya In 2003. the engine went carburetion to fuel injection. and the Management System was changed to the Control System. [ 3 ]

Biaggi 2 wins in 2002, and placed in the final standings as did Yamaha in the championship. In 2003, M1 riders Checa, Alex Barros. Jacque. Marco Melandri.

Nakano and Norifumi Abe. and were no wins and Yamaha in third in the manufacturer’s championship.

2004/2005 [ edit ]

Valentino signed a two-year contract Yamaha, reportedly worth in of US$6 million per season, in a that was described by the press as off more than he could It was widely felt not only by his and media pundits, but also by fans, that even he not be able to bring the struggling up to the level of the hereto all conquering RC211V. A well publicised in the pace of development of the Honda over the winter season expectation that a Honda in the hands of riders the calibre of Max and Sete Gibernau would no problem in retaining the World for Honda.

Meanwhile, Rossi the only defection Honda had to with; Jeremy Burgess chief for Rossi at Honda), with the majority of his long crew, were convinced by to join him at Yamaha. This was a move, and was cited by Rossi in his as being instrumental in providing him the strong basis necessary for an … on the Championship with the

During 2003/2004 winter Yamaha stepped up to the plate by out all the stops in their collaboration Rossi and Burgess. Through a regime of innovation and testing, sought to refine the M1’s strong traits such as braking and quick handling impressed Rossi), and marry with good balance and to power.

Working closely with and Burgess, Yamaha engineers YZR-M1 project leader Tsuji experimented with a of engine modifications in an attempt to fix the delivery, and finally it was decided to go with a four valve per head configuration (as opposed to the five valve head), a specially refined cylinder order. This turned the four cylinder engine a traditional screamer, where the pulses are spaced equally 180 crank degrees) in the four cycle, into a so-called bang engine where the pulses are grouped unevenly the cycle (270-180-90-180).

This order mimics that of a V4 while maintaining the desirable packaging of a traditional inline cylinder. These developments improved the torque characteristics of the and coupled with slight to the position of the engine in the chassis, the M1 much easier to control at the of adhesion while exiting After a frantic winter of and testing, the team showed the that they had made a step in the right direction, Rossi and the M1 won the BMW car at the 2004 pre season test at Catalunya, by posting the lap of the open session (similar to race qualifying).

With the traditional first of the season at Suzuka off the list due to considerations, the 2004 season at Welkom in South Africa. In a remarkable race, Rossi through to claim the victory, not silencing his critics, but becoming the man in history to win two GPs back to back two different manufacturers. Rossi go on to claim 8 more GP wins on his way to win the Championship, with a tally of 304

Honda riders Sete and Max Biaggi took second and with 257 and 217 points respectively.

The season would therefore to give Rossi the opportunity he had to prove that it was his talent than just the bike had won him his championships. In so doing, he also one of the great coups in the history of Racing.

The YZR-M1 and Rossi continued to dominate in 2005, the Championship was won by a massive 147 point over Honda rider Melandri in second place.The M1 was hailed by insiders to be a great bike, it illustrated that with input from had created a race bike to the others quite easily. would go on later to say that the M1 was the greatest bike he has ever

Yamaha MT-01 Prototype

2006 [ edit ]

Valentino ‘s 2006 Yamaha

The 2006 season proved a more problematic for Yamaha, the M1 suffering from chatter the very first race of the It would be a recurring problem for all riders in the first third of the and was thought to be a function of three winter season developments; a significant hike in engine a new stiffer chassis and a new construction of tyre with an even compound and revised profile. all three developments occurred simultaneously, the usual meticulous of one development at a time was compromised and it take much of the early to understand and overcome the problems.

setback for Yamaha and the YZR-M1 was responsible for Valentino Rossi’s season start in 2006, by poor qualifying performances and a of bad luck, he also suffered a injury mid season, which to his woes. In the final third of a season, the M1’s problems virtually eradicated, and Valentino turned in a string of performances would close down a points gap on Championship leader Hayden aboard the Honda

It was only in the final race of the that the M1 and Valentino Rossi beaten by just five and Yamaha relinquished the Championship to Honda in the hands of Nicky who only won two races that Hayden would later that Rossi deserved to be but luck and DNF’S cost him the Valentino Rossi would win 5 in 2006 to Nicky Hayden’s 2, a that was well played the off season.

2007 [ edit ]

again changed for the 2007 with the capacity of MotoGP reduced to 800cc in an effort by the FIM to the ever increasing speeds of the bikes (capable of well in of 210mph (340km/h) ); therefore the would continue in 2007 in form. In post-2006 and in 2007 testing, the new 800cc equipped (along with other MotoGP bikes) has been quicker straight out of the box than the version of the M1. This is by virtue of harder braking, quicker higher corner speeds, and controllable traction, and as the 2007 got under way, the 800cc was expected to get quicker as its development

The chatter that plagued the 2006 YZR-M1 has been in the switch to 800 cc. [ 4 ] While the Main for the Official Factory Yamaha has switched from Camel their distinctive yellow and livery, to that of The Italian Manufacturer Fiat. The team run initially in a blue and white scheme and has hinted at the unusual of running a variety of colour throughout the season.

2008 [ edit ]

The 2008 was regarded as the best all round in MotoGP. Rossi won the 2008 by a record margin and dominated finishes all season. Team Jorge Lorenzo managed a ever Rookie win on the M1 at the Portuguese GP and had 6 finishes.

Many along Rossi have said the YZR-M1 was the best bike of season, something that was proven during the heated Rossi had with Casey on the Ducati.

Yamaha MT-01 Prototype
Yamaha MT-01 Prototype
Yamaha MT-01 Prototype

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