the difference in weight between the water-cooled Yamaha YZ 634 (approx. 90 kilos) and the MV Agusta 350 3C (approx. 140 kilos). Saarinen won and Teuvo Länsivuori on an air-cooled Yamaha TR 3 finished second, 1½ minutes behind Saarinen. Renzo Pasolini on the Aermacchi-Harley-Davidson was third and Agostini forth. He took his loss, however, sportingly, but stated that the three-cylinder MV Agusta had become too slow. After two wins for Yamaha, Agostini came to Austria with the new MV Agusta 350 4C. In the race, the Saarinen's engine lost some power, leaving him in fourth place. Agostini won the race. MV Agusta hired Phil Read to support Agostini in Imola. Agostini won the race, but the star of the race for the Italian home crowd was Renzo Pasolini on the Aermacchi-Harley-Davidson. Pasolini had a bad start and was tenth after the first lap, but fought through the field to finish second. Read finished fourth. In the Junior TT, where Saarinen refused to ride due to the risks, Agostini led from start to finish, while his team-mate Phil Read dropped out on the second lap with shift problems. Both MV drivers rode the three-cylinder machines. Agostini dropped out in the Yugoslavia GP. Phil Read finished the race, but could not keep up with the Yamaha TR 3 of the Hungarian János Drapál. Read finished third. In Assen, Agostini won after a fight with Drapál, Pasolini and Read. (Agostini was on the four-cylinder, Read on the three-cylinder). Agostini dropped out in the GDR, but Phil Read now also had a four-cylinder MV Agusta at his disposal and won, setting a new lap record. His time was the same as that of Agostini in the 500 cc race. In Brno, Agostini fell, leaving Read in the lead. Saarinen passed Read to win the race. In Anderstorp, Agostini and Read fought hard in the first laps against Jarno Saarinen. Agostini took the lead and retained it throughout the race. Agostini's sixth win in Finland gave him the 1972 world title, with Saarinen in second place. 1973 For 1973, Phil Read was given contract with MV Agusta, but as No 2 rider to Agostini. Yamaha withdrew from the 350 cc class, concentrating on the 250 and 500 cc classes with Jarno Saarinen and Hideo Kanaya, but when Saarinen died in Monza, the factory team was withdrawn. Some privateers contested the 350 cc class with Yamaha