Museo del Patrimonio Industriale

Con questa motoleggera, sapientemente progettata e costruita secondo i più moderni dettami tecnici, la M.M. inaugura la serie dei motori a 4 tempi che le procureranno tanti successi

Informazioni aggiuntive

• Year of manufacture 1931


• Engine four-stroke vertical single cylinder with cast iron barrel and head. Bore 60,0 mm. Stroke 60,0 mm. Capacity 169,6 cc. Overhead valve timing, operated by pushrods and rockers. Twin exhaust pipes


• Ignition Bosch magneto


• Carburettor Amal


• Lubrication dry sump forced with double action M.M. pump


• Primary drive chain


• Clutch 2-plate


• Gearbox Burman 3-speed operated by hand lever and sector


• Final drive chain


• Frame open steel tubes


• Front suspension girder fork


• Wheels with tyres 3,50"-19" (3,00"-19" supplied as standard)


• Brakes lateral expanding type


• Top speed 90 km/h

With this lightweight motorcycle, accurately designed and built following the latest technical discoveries, M.M. inaugurates the 4-stroke engine series that will obtain so many successes.

Provenienza: Bologna
Datazione: 1931