1968-1999 Honda Z50 and ZB50 First Model Last Model Production Numbers Year Make Model Vin Start VIN End Based Upon VIN 1968 Z50A K0 Z50A-100001 Z50A-120087 20,086 1969-1970 Z50A K1 Z50A-120088 Z50A-270235 150,147 1970-1971 Z50A K2 Z50A-270236 Z50A-387884 117,648 1972 Z50A K3 Z50A-1000001~ Not Available N/A 1973 Z50A K4 Z50A-3000001~ Not Available N/A 1974 Z50A …