We wish Suzuki and Yoshimura many more happy years together. 
Begin Press Release:

SUZUKI AND YOSHIMURA CELEBRATE 40-YEAR PARTNERSHIP
Since 1978 Yoshimura has become the all-time winningest team in MotoAmerica AMA Superbike History

Chino, CA (March 25, 2018) ? The 2018 racing season will not only see Yoshimura Suzuki Factory Racing team back on track to defend its MotoAmerica Superbike Championship, it also marks the 40th anniversary of one of the most successful partnerships in the history of the sport.
In 1978, Suzuki and Yoshimura formed a formal partnership making the Yoshimura Suzuki Factory Racing squad the official factory entry in AMA Pro Road Racing. It proved to be an incredibly fruitful alliance. In 40 years of racing, Yoshimura Suzuki Factory Racing has become the most successful team ever in MotoAmerica AMA Superbike. Yoshimura Suzuki Factory Racing boasts 14 MotoAmerica AMA Superbike Championships and a total of 189 wins. That helped give Suzuki both the all-time record for MotoAmerica AMA Superbike Championships and series wins by a manufacturer.
In addition to the premier Superbike class, Yoshimura Suzuki Factory Racing has also won numerous support class championships.
Marking the 40th anniversary of Yoshimura and Suzuki, the team will showcase a bold, all new racebike livery and there will be a series of commemorations during the 2018 MotoAmerica Championship season.
?Motorcycle racing is a forward-looking sport, but it?s nice to stop for a moment and ...