Lorenzo extended his championship lead to 25 points , by winning the race ahead of Stoner .
Ahead of the British Grand Prix , Lorenzo signed a new two - year contract with Yamaha , keeping him with the team until the end of the 2014 season .
Lorenzo extended Lorenzo 's championship lead to 25 points , by winning the race ahead of Stoner .
Ahead of the British Grand Prix , Lorenzo signed a new two - year contract with Yamaha , keeping him with the team until the end of the 2014 season .