World Grand Prix Road Racing History
1979 March New machine RGB. Sheene takes his 4th-consecutive opening-round victory with a pole-to-finish at the Venezuelan GP. Suzuki machines win seven out of the total 12 rounds and Suzuki takes 4-year consecutive manufacturer's title. Suzuki riders dominate 2nd-through-10th places in season ranking, including Virginio Ferrari finishing at 2nd place, Barry Sheene 3rd and Wil Hartog at 4th (top ranked was Yamaha rider Kenny Roberts).
1978 March New machine RGA. Sheene takes 3rd-consecutive opening-round victory at the Venezuelan GP. Suzuki machines win six out of the total 11 rounds and Suzuki takes 3-year consecutive manufacturer's title. Sheene ranks 2nd for the season.
1977 March

Sheene wins opening Venezuelan GP. Suzuki riders win nine out of the total 11 rounds. Sheene wins 2-year consecutive rider's championship. Suzuki wins 2-year consecutive manufacturer's championship.

1976 April Barry Sheene wins the 500cc class pole-to-finish at the opening French GP. Scoring a total of five wins, Sheene takes the rider's championship. Suzuki takes the manufacturer's title, as Suzuki entrants dominate the top 12 in season ranking except for MV rider Agostini ranked 7th.
1975 June Suzuki marks first victory in its second year of 500cc class entry, a pole-to-finish win by Barry Sheene at round 6 the Dutch GP. Sheene, with two wins, ranks 6th-place for the season. Suzuki ranks 3rd among manufacturers, following Yamaha and MV.
1974 April Suzuki resumes works activities with 500cc class entries at the opening round the French GP. Machine is a liquid-cooled 2-stroke square-Four RG500/XR14, piloted by Barry Sheene and Jack Findlay. Best Suzuki result: 2nd-place finish by Sheene in the opening round.
1970 Dieter Braun wins World GP 125cc class rider's championship on a machine on loan from Suzuki. Suzuki wins manufacturer's title.