At the age of 12 Bruno Rossati began working eleven hour days.
"Now, approaching 91, I find myself reminiscing about my youth, still riding my motorcycle every day.
Letter re Ladetto
With the advent of 4-valve Speedway machines, JAP made a last effort to remain competitive. Here are two views of the rare four-valve dohc speedway JAP engine that represented virtually the last development of this famous engine. Here it is built into a Grass Track frame.