The 1967 Suzuki RK67 (14 speeds). It’s one of the few Suzuki factory 50cc racers still running. Its twin cylinder (32.5mm x 30mm bore and stroke) produced 17.5bhp @ 17,300 rpm. Riders were Hans-Georg Anscheidt, Yoshimi Katayama and Stuart Graham, who took the top 3 places in the 50cc World Championship that year. Mitsuoh Itoh rode the RK67 too and finish 6th in the World Championship.