The Vespa T5 it is a 125cc ... compared to its largeframe cousin, the PX. The squarish (55 x 52 mm) and lightweight piston design was aimed for high revs, as was the aluminum cylinder with ...
Launched in 1977 and sold in over two million units, the Vespa PX of 125, 150 and 200cc is the biggest sales success in the entire history of the Vespa company.