1957 Moto Morini 175
The Tresette Sprint is the heir of the lucky series born in 1953 carrying the simple name “175”. This model marked the success of Moto Morini in those years, earning its fame as a very reliable and high performing bike thanks also to the many successes obtained in “gran fondo” competitions such as the Milan-Taranto and the “Motogiro d’Italia”. The Tresette has a 4-stroke single-cylinder engine with 172.4 cc and 60 x 61 mm bore x stroke. The power output is 13 hp at 6,500 rpm with a compression of 9.2:1. As regards the structure, it has an open tubular single cradle frame, front suspension with telescopic fork and rear suspension with swingarm and 2 side shocks.