Pinasco 215 kitted vespa upgrade


i have a pinasco 215 kitted vespa  with  a simonini pipe.

i want to upgrade it and i tought about a malossi 23/64 up gear vespa is px200 1998 and i am using the original clutch.will it be ok and what this kit gives?higher speed or more torqe?


if u have other suggestions for tuning i will be glad to hear!!!