NOS ! 17111028050 17111-028-050 S90 SUPER 1964 USA frame range: S90100001 - S90142498 engine range: S90E100001 - S90E109999 model year: 1964 area code: A S90 SUPER SPORT GENERAL EXPORT S90 SUPER SPORT GENERAL EXPORT Frame # S90 - 111565 ~ 142498 Characteristics for the S90 Half Chain Case, Double seat area code: D S90A SUPER SPORT GENERAL EXPORT Frame # S90-424487 ~ Characteristics for the S90A Full chain case, single seat with lugguage carrier and pillion seat area code: D