The new M7 WorldCup, represents the state-of-the-art of 3.5 cc 1/8 On-road racing engine class. The new engine offers the most advanced technologies to ensure the best performance and reliability.
These are the main features of WC-Series: new extra long XL stroke engine geometry, back-plate with low friction coating, hybrid ceramic rear ball bearing, balanced crankshaft, all new timing and special tuning by M.Rossi. All these innovations have allowed to increase in particular the power at low and medium RPM preserving the fuel consumption.
Link: Reds Racing