Movistar Yamaha

MotoGP champion Jorge Lorenzo and Shark helmets sign three-year deal

Jorge Lorenzo will wear Shark's Race-R PRO helmet from the 2016 season onwards

2015 MotoGP: Possible race results at Valencia and the championship outcomes in each case

Ahead of the MotoGP season finale, we dissect where Rossi and Lorenzo need to finish in order to take home the title

MotoGP 2015: Rossi regains championship lead after Silverstone win

Danilo Petrucci and Andrea Dovizioso finish second and third

MotoGP 2015: Lorenzo takes first place followed by Marquez and Rossi

This win ties Lorenzo and Rossi at 211 points for the championship title

MotoGP 2015: Marc Marquez wins at Indianapolis

Rossi continues to lead the championship standings, with Lorenzo closing in

MotoGP 2015: Marquez conquers Sachsenring in style

Dani Pedrosa gives Honda a 1-2 finish, with Valentino Rossi's podium seeing him safely in the lead of the championship

MotoGP 2015: Lorenzo wins in Catalunya

Movistar Yamaha dominated the podium with Valentino Rossi coming in a close second

2015 MotoGP: Jorge Lorenzo wins the French GP

After five out of 18 races, Valentino Rossi leads the championship with 102 points

MotoGP 2015: Jorge Lorenzo wins the Spanish GP

With the win at Jerez, Lorenzo now moves into third position in the championship with 62 points