for Vespa 125 GTR 2??/TS/150 Sprint 2??/V/Super 2??/PX125-150/PE/Lusso’89 cast iron 7 ports 63mm stroke 57mm 2 piston ring(s) with cylinder head with jet with part certification TUNING ROAD – for everyday use Product description Plug and Play, taken to a new dimension. These new ‘Tuning kits with Part Conformity Certification’ allow us to offer the fruits of our many combined years of scooter tuning experience including documentation enabling immediate inclusion of the performance enhancing tuning parts included in German registered scooter documentation. This additional documentation ensures complete road legality with a minimum of the inevitable bureaucracy involved in having these registered by the German vehicle testing authority (T??V). The POLINI 177cc tuning kit is the strongest performer amongst our customers and our ‘Most-wanted’ road-tune conversion kit packages. It immediately provides a noticeable increase in power output, improved acceleration and a higher maximum