constr. year: 1973
displacement: 145.44 cm3 one-cylinder two-stroke
              with rotary valve
performance:  7.1 HP (5 kW) at 5000 rpm
weight:       95 kg
transmission: 4 speeds, gear change with left hand

I restored this bike for my girlfriend 1997.

I have made a wiring diagram of the
Austrian version (looks almost like the Italian,
but with a flashlight-button near the gear-switch,
should fit for most Austrian Vespas of the 70's.)
A list of companies producing parts can be find here.