MotoGP 2005

Circuit: Valencia
Country: Spain
Track length: 4005 m
Opened: 1999
Fastest Lap Ever: 1' 32.478 (Valentino Rossi, 2003)
MotoGP lap record: 1' 33.317 (Valentino Rossi, 2003)
Last year MotoGP winner: Valentino Rossi

2004 MotoGP race summary
At Valencia Valentino Rossi secured his ninth and final win of his world championship winning first season with Yamaha. Down in sixth after a tricky start he used his improving pace to good effect, winning 0.425 seconds ahead of second-placed rider Max Biaggi (Honda) and final podium finisher, Troy Bayliss (Ducati).

After a difficult start, when Rossi did not get the drive he wanted, he immediately set about reducing the margin of advantage enjoyed by early leader Makoto Tamada (Honda), and on lap six he made a determined inside pass to lead the race for the first time. A gritty duel between the pairing saw Tamada pass on turn one of lap seven, leading the ranks ahead of Rossi, Nicky Hayden (Honda) and Biaggi. To the rapture of the 122,000-strong crowd, Rossi went back into a final leading position with a pass on the entrance to the last chicane.

Colin Edwards had a less rewarding time at Valencia only finishing in eight position, still this was enough to secure a very commendable fourth position in the final 2004 standings.

2005 set-up report YZR-M1
Valencia is a circuit that offers a slightly undulating layout with good camber combined and an abrasive surface. It has many stop-and-go 90-degree corners, bumps and a tight design which has claimed many of victims losing the front-end. This is especially the case with the faster and heavier MotoGP machines. For this reason riders will be chasing security on this very point, followed by stability under brakes, while still offering the agility to deal with a circuit that is more suited to a 250 than a 240Hp MotoGP four-stroke.

The latest spec YZR-M1 offers all the traits that a winning MotoGP bike should have; agility, drivability off slow and medium speed turns, enough horsepower to survive on the straights and all of this offered consistently throughout an entire race. The linear character of the 'big-bang' YZR-M1 power plant is supported by state-of-the art electronic engine management systems that offer a much more rider and tyre friendly delivery - making it easier to get on the power earlier in the turn and with more confidence.
This is essential in the final turn - the run onto the front straight and the start/finish line. With all of these qualities secured, the main challenge will be to set-up the bike giving enough front-end confidence on corner entry in order to not fall victim to a low side crash.

Regarding the geometry and suspension set-up, the Yamaha will have a front-end lifted slightly, compared to most other circuits, and the rear lowered. Combined with the right front spring rates and preload, all controlled by the rebound, this will allow for improved stability under brakes and a planted front-end.

With good camber, except for the penultimate sweeping turn, the ability to leap the M1 hard off the turns is essential. Especially with the high corner speeds Rossi likes to carry. To ensure this the rear suspension preload will be set to prevent an excessive amount of rear-end squat - reducing understeer - while still offering a plush enough ride to provide good, consistent traction.

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