Polini Maxi Speed 3G race clutch for maxi scooters with Piaggio Euro 5 , 4-stroke 125 , 150 , 250 and 300 cc engines .
Vespa Special / Primavera / ET3 clutch case - interchangeable with the stock design , it has a rackwork pusher that allows fluid sliding with low friction coefficient . Suitable for standard and upgraded spring load clutches on race spec engines .
This new Euro 5 Vespa 125 GTS and GTS SUPER , i . e . 4T 4V , muffler design - available with or without catalyst - is around 3 kg lighter than stock .
For Vespa models , this updated Polini cast iron big bore cylinder kit with 68.5 mm cast iron cylinder increases the displacement to 210 cc and delivers + 12 % greater performance ( at the same rpm ) than its prior version .
or without catalyst . Easy to assemble , it is very light , weighing around 3 kg less than the stock muffler for increased performance and optimised engine tuning , especially in sprint and pick-up terms . Equipped with an aluminium end cap with a modern design and carbon-like texture , it has a gritty but pleasantly muffled sound , thanks to the use of sound-absorbing materials that keep the noise level within the regulatory limits . The research and development staff of Polini Motori presented the cylinder kit for Vespa 200 , increasingly modernising all its parts in order to improve performance and reliability . Finally , and also for Vespa models , this Polini cast iron big bore cylinder kit
A " must-have " for tuners , this increased internal volume filter box with mixer for Vespa PX125 / 250 and PE 200 models delivers increased performance and improved durability for original or upgraded SI carburettors .
with a 68.5 mm cast iron cylinder increases the displacement to 210 cc . Featuring a new duct and exhaust port design for increased engine efficiency , the completely redesigned piston has larger passages on the skirt to help feed the transfer lines . The increased finning on the head allows for maximum heat dispersion and the dome is entirely machined and coupled with a copper gasket to improve performance and optimise cooling ; the dowel pins with the cylinder allow for a constant squish area over the entire diameter of the cylinder . Polini says that its R & D team has designed this cylinder kit for a 12 % performance increase compared to its previous model , at the same rpm . Founded in 1945 , Polini sells to some 3,200 distributors and dealers in 64 countries worldwide .
POLINI MOTORI SPA Alzano Lombardo ( BG ), ITALY Tel : + 39 035 2275 111 news @ polini . com www . polini . com
INTERNATIONAL DEALER NEWS - APRIL / MAY 2023 45