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(L-R) Honda MotoGP riders Marc Marquez and Dani Pedrosa of Spain, Ducati MotoGP rider Ben Spies of the U.S., Yamaha MotoGP rider Jorge Lorenzo of Spain and FTR MotoGP rider Hector Barbera of Spain pose for a group photo before the free practice session of the MotoGP World Championship at the Losail International circuit in Doha April 4, 2013. REUTERS/Fadi Al-Assaad ( MOTORCYCLING-PRIX/ )

ART MotoGP rider Karel Abraham (R) of Czech Republic and FTR Kawasaki MotoGP rider Claudio Corti of Italy ride their bikes during a free practice session of the MotoGP World Championship at the Losail International circuit in Doha April 5, 2013. REUTERS/Mohammed Dabbous ( MOTORCYCLING/ )

Yamaha MotoGP rider Valentino Rossi (R) of Italy and Yamaha MotoGP rider Cal Crutchlow of Britain participate in a free practice for the Qatar Grand Prix at Losail International Circuit in Doha April 4, 2013. REUTERS/Mohammed Dabbous ( MOTORCYCLING/ )

FTR Kawasaki MotoGP rider Colin Edwards of the U.S. rides during a free practice for the Qatar Grand Prix at Losail International Circuit in Doha April 4, 2013. REUTERS/Mohammed Dabbous ( MOTORCYCLING/ )

Monster Yamaha Tech 3 MotoGP rider Bradley Smith of Britain rides during the qualifying session of the Qatar MotoGP Grand Prix at the Losail International circuit in Doha April 6, 2013. REUTERS/Fadi Al-Assaad ( MOTORCYCLING-PRIX/ )

Second-placed Team Calvo Moto3 rider Maverick Vinales of Spain rides his bike during the Qatar MotoGP Grand Prix at the Losail International circuit in Doha April 7, 2013. REUTERS/Fadi Al-Assaad ( MOTORCYCLING-PRIX/ )

Jorge Lorenzo of Spain and Yamaha Factory Racing leads the field during the MotoGp of Qatar - Previews at Losail Circuit on April 4, 2013 in Doha, Qatar. (Photo by Mirco Lazzari gp/Getty Images) ( 165542077 )

Honda MotoGP rider Dani Pedrosa of Spain rides his bike during a free practice session at the MotoGP World Championship at the Losail International circuit in Doha April 5, 2013. REUTERS/Fadi Al-Assaad ( MOTORCYCLING-PRIX/ )

Ducati MotoGP rider Nicky Hayden of the U.S. rides during the qualifying session of the Qatar MotoGP Grand Prix at the Losail International circuit in Doha April 6, 2013. REUTERS/Fadi Al-Assaad ( MOTORCYCLING-PRIX/ )

Yamaha MotoGP rider Jorge Lorenzo of Spain rides during a free practice for the Qatar Grand Prix at Losail International Circuit in Doha April 4, 2013. REUTERS/Mohammed Dabbous ( MOTORCYCLING/ )

MotoGP rider Jorge Lorenzo of Spain drives his Yamaha during the qualifying practice session of the Qatar Grand Prix on April 6, 2013 at the Losail International Circuit in the Qatari capital Doha. KARIM JAAFAR/AFP/Getty Images ( 518689834 )

The 2013 MotoGP riders pose on the track for photographers during the MotoGp of Qatar - Previews at Losail Circuit on April 4, 2013 in Doha, Qatar. (Photo by Mirco Lazzari gp/Getty Images) ( 165542120 )

Yamaha MotoGP rider Valentino Rossi of Italy rides during a free practice for the Qatar Grand Prix at Losail International Circuit in Doha April 4, 2013. REUTERS/Mohammed Dabbous ( MOTORCYCLING/ )

Yamaha MotoGP rider Jorge Lorenzo of Spain celebrates taking the pole position following the qualifying session of the Qatar MotoGP Grand Prix at the Losail International circuit in Doha April 6, 2013. REUTERS/Fadi Al-Assaad ( MOTORCYCLING-PRIX/ )

Red Bull KTM Ajo Moto3 rider Luis Salom of Spain celebrates on the podium after winning the Qatar MotoGP Grand Prix at the Losail International circuit in Doha April 7, 2013. REUTERS/Fadi Al-Assaad ( MOTORCYCLING-PRIX/ )