The Grand Prix range was the final model design from Innocenti before the factory ended production of the Lambretta in 1971. It wasn’t an entirely new machine but an updated and more modern-looking overhaul of its predecessor the SX. There were three variants in total, as there were with most Lambretta ranges: 125, 150 and 200cc. The 200 was fitted with a front disc brake, but the dimensions and layout remained the same on each model.
Revamp
The chassis of the Grand Prix was the same as that of all other Series 3 models except for the front end, where the headset was lowered by 1 1/2 inches. This meant the legshields were reduced in length, so to make
