Retrospective: 1981-1983 Yamaha XJ550 Seca

Photos by Terry South. Two things a motorcycle manufacturer has to look out for when introducing a new model: the competition and the economy. Yamaha got the competition right when it introduced the XJ550 Seca in 1981, as mid-size bikes had not been very popular during the horsepower wars of the late 1970s. Honda had recently upsized its rather boring…