First free MotoGP practice for Malaysian Grand Prix saw Valentino Rossi setting fastest time in hot and humid conditions. With track still dirty, Rossi set time which is more than a half of a second slower than current race lap record. Andrea Dovizioso was once again close to the top in second position, while Jorge Lorenzo set third fastest time of the day. Casey Stoner was 4th fastest, while Alvaro Bautista made brilliant start for Suzuki as he took 5th position in FP1.

Sepang first free practice results:

1. Valentino Rossi Fiat Yamaha Team 2.02.724
2. Andrea Dovizioso Repsol Honda Team 2.02.833
3. Jorge Lorenzo Fiat Yamaha Team 2.02.898
4. Casey Stoner Ducati Marlboro Team 2.03.160
5. Alvaro Bautista Rizla Suzuki MotoGP 2.03.338
6. Colin Edwards Monster Yamaha Tech 3 2.03.393
7. Marco Melandri San Carlo Honda Gresini 2.03.438
8. Aleix Espargaro Pramac Racing Team 2.03.471
9. Ben Spies Monster Yamaha Tech 3 2.03.477
10. Randy De Puniet LCR Honda MotoGP 2.03.539
11. Marco Simoncelli San Carlo Honda Gresini 2.03.680
12. Loris Capirossi Rizla Suzuki MotoGP 2.03.717
13. Hector Barbera Paginas Amarillas Aspar 2.03.760
14. Hiroshi Aoyama Interwetten Honda MotoGP 2.03.769
15. Hayden Nicky Ducati Marlboro Team 2.03.947
16. Mika Kallio Pramac Racing Team 2.04.023