Italy's Valentino Rossi stormed to victory at the Grand Prix of Japan on Sunday, claiming his sixth MotoGP world championship.

Rossi, riding a Yamaha, pulled ahead of defending MotoGP champion Casey Stoner of Australia with 11 laps to go and won the race with a time of 43 minutes, 09.599 seconds, 1.943 seconds ahead of Stoner after 24 laps at the 4.8-km Twin Ring Motegi course.

Spain's Dani Pedrosa was third, 4.866 seconds back, while pole-sitter Jorge Lorenzo, also of Spain, was fourth.

It was Rossi's eighth victory of the season and fifth straight since he took the United States Grand Prix in July.