won the final race, the Nations Grand Prix at Monza. Ubbiali became world champion and Provini runner up. MV Agusta won the 250 cc Constructors Championship. 1960 For the 1960 season, Provini left to ride for Moto Morini and was replaced by Gary Hocking. Hocking convincingly won the first race of the season at the Isle of Man, Ubbiali, in second place, was over a minute behind. The 1 - 2 was reversed at Assen and Spa with Ubbiali winning both. The situation reversed again the German GP at the Solituderennen where Hocking came out on top. Ubbiali won the final two rounds (Ulster and Monza) the become World Champion, with Hocking runner-up. MV Agusta again won the 250 cc Constructors Championship. 1961 Carlo Ubbiali retired at the end of the 1960 season, leaving Hocking as the sole MV Agusta rider in the 1961 season. Hocking won the first race at the Montjuïc circuit in Spain, and retired in the Lightweight TT. The rest of the season was dominated by Mike Hailwood on the 4-cylinder Honda RC162. MV Agusta withdrew from the 250 cc class. 1966 In February 1966, Giacomo Agostini rode the machine to victory in a non-championship race in Spain. References 250 Bicilindrica Grand Prix motorcycles Motorcycles introduced in 1957 Motorcycles powered by straight-twin engines