And he won 15 Grand Prix during his career .
Jarno Saarinen , born on the 11th of December 1945 , still remains the only Finn to have won a motorcycle road racing World Championship .
He won 15 Grand Prix during his career .
Jarno Saarinen , born on the 11th of December 1945 , still remains the only Finn to have won a motorcycle road racing World Championship .