By now they had developed a 750 cc version too.
The third series appeared in 1953 with a larger 2451 cc version of the engine.
Along with the C15 came the B40, the 350 cc version.
Produced until the end of the 1970s, the Scarabeo came in 50 and 125 cc versions.
The model, that was quickly followed by a 350 cc version, the SS350, drew on the works team's experience.
Eventually, only the 1,000 cc version available, and it was finally discontinued in 2007.
In 1954 it added a 400 cc version of this twin to its range.
The top ratio on the 2,229 cc version of the earlier model had been in effect an overdrive.
A 796 cc version was briefly made for the Taiwanese market.
The first model to use the 2478 cc version of the M30 was the E3 2500 in 1968.