PX200/ P200 & 200cc engines

For Vespa models with 200cc engines, there are three 'standard' cylinder conversion kits available for tuning:

 

They are all Italian-made performance kits, readily available from most vintage scooter parts suppliers and, like most tuning parts for Vespas, are relatively dear. Here is a comparative review of all three:

http://sites.google.com/site/drunkmu...210vspolini210