The MV Agusta 175 was launched at the EICMA ( Milan Motorcycle Show ) in 1952 , with production starting in 1953 . For MV Agusta , this motorcycle was a milestone . It was their first production machine with a four-stroke engine . The unit construction single-cylinder engine was designed with an overhead camshaft for high performance . The chain-driven camshaft operated the valves via rocker arms , which were closed by hairpin valve springs . The engine was inclined forward at 10 ° and manufactured in alloy and a bore and stroke of 59.5 mm × 62 mm . The cycle parts featured an advanced duplex frame that used the engine as a stressed member , telescopic forks , a swinging arm and full-width alloy hubs
EICMA
EICMA
MV Agusta 175