Australian Casey Stoner will take part in next season's MotoGP after being promoted from the 250cc class.
Stoner came second in the 250cc championship
Stoner will ride for the LCR Team run by Lucio Cechinello.
"I am very happy to make my MotoGP debut with Lucio," said Stoner, who was runner-up to Spain's Daniel Pedrosa in the 2005 250cc championship.
"The LCR Team is like a home away from home. The year 2006 will be my
fifth year in the World Championship and the fourth with the LCR Team."