Lazzarini began his Grand Prix career in 1969 in the 250 class on a Benelli. He won his first Grand Prix at the 1973 Dutch TT on a Maico.
Lazzarini began his Grand Prix racing career in 1969, initially competing in the 250 class on a Benelli motorcycle. His first major victory came in 1973 when he secured the top spot at the Dutch TT event on a Maico machine.