1980 Suzuki GS1000 Superbike

Wes Cooley's Superbike

1980 Suzuki GS1000 Superbike

Sometimes you win, sometimes you lose. This bike did both—in the same race. The year was 1980, and AMA Superbike racing was reaching its first crossroads. After four years as a national-championship class, Superbike was graduating from a series based mostly on BMWs, Moto Guzzis and Ducatis to a championship with serious attention from the Japanese Big Four.

By that watershed year, when Wes Cooley rode this machine, performance-company Yoshimura had teamed up with Suzuki in a partnership that continues 20 years later. Meanwhile, Honda and Kawasaki fielded their own factory teams.

Cooley, the defending Superbike champion, dueled that season for 10 races with a pair of young racers you may have heard of: Eddie Lawson and Freddie Spencer.

Going into the season finale at Daytona, Lawson and Spencer each had three victories, while Cooley had two. In the end, Cooley beat Spencer by half a bike length to be declared the series champion.

Then Lawson protested Cooley’s bike, saying the frame had been illegally modified. Officials on the scene upheld the protest, and Lawson was declared the champion.

Then things really got complicated. Cooley countered that Lawson had started the race illegally—riding teammate Dave Aldana’s bike when his own engine blew up.

Eventually, the matter went to an appeal board, which ruled that Lawson was not a legal entrant in the race and couldn’t protest Cooley. The board also ruled that Cooley’s modifications, while on the edge of the rules, were legal.

So while it took till December of that year, Cooley eventually won his second Superbike title—a second time.

But there’s even more to the story. The lasting impact of that season was the realization that Superbike had become a major factory battleground, with plenty of corporate pride on the line. As a result, new rules and enforcement policies were put into effect that have grown to give AMA Superbike racing the tightest tech enforcement in the motorcycle-racing business.

Meanwhile, this historic motorcycle passed into the hands of fairing innovator Craig Vetter, who had supported the Yoshimura team during the season. It is now owned by Brian O’Shea of Enfield, Connecticut, whose collection preserves a number of the landmark bikes in Superbike racing history.

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Year Built
1980

Engine
air-cooled inline four-cylinder

Displacement
1,023cc

Bore x Stroke
70.9mm x 64.8mm

Carburetors
31mm Keihin

Transmission
Yoshimura close-ratio five speed

Owner
Brian O’Shea