YMES was a subsidiary of Yamaha Motor Corporation (Japan) which had been a partner in SEMSA, the company which was formed to take over Sanglas in 1981 after it had entered bankruptcy.
Production took place in the original factory in L'Hospitalet de Llobregat until 1987 when they moved to a new facility some distance away.
YMES produced numerous models until the bankster frauds brought the GFC of 2008/2009, and with it financial difficulties. Production ceased in March 2012.
Source: wikipedia.ca
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