Polini Motori - new Racing and R & D Department
Recent news from Polini Motori , the legendary scooter parts and performance specialist has opened a completely remodelled and restyled new Racing and R & D Department at its headquarters just outside Bergamo . The 2,000 sq m facility is " entirely dedicated to conceiving , designing and developing our core ' Special Parts ' programmes , with the emphasis on working ergonomics - functionality and efficiency ". Reimagined with attention right down to the smallest detail and tolerances , " the latest generation technology , advanced quality control equipment and optimised working procedures facilitate the processing of our special parts designs by our specialised and experienced staff , under the direction of our technical managers , Denis and Iuri Polini .
Polini ' s remodelled in-house R & D centre now provides some 2,000 sq m of ergonomically efficient space , designed with the same attention to detail and style that its entire headquarters facility is famous for .
" The goal remains the same - to establish more and more the value of Polini as a leading brand in the production of spare parts and special parts for scooters and motorcycles , electric motors for e-bikes and paramotors for flight ". Recent new products include a Polini ECM and valve springs upgrade for Euro 5 Vespa and Liberty 50 4-strokes . Developed and designed by the Polini racing department , the ECM upgrade allows choice of three tuning maps ; the addition of Polini valve springs lets the restrictor reach all the way up to 10,000 rpm with
This ECM and valve spring upgrade kit for Euro 5 4-stroke Vespa and Liberty 50 models offers three map settings . improved speed and performance and a more dynamic response and smoother handling . The original Polini muffler has now evolved into a racing version , recommended for Vespa 125 Primavera ET3 tuned engines . " It fits perfectly with the original frame , both in terms of space and aesthetics , with its shape and embossed Polini logo evoking the iconic street performance mufflers that have been a hallmark for a generation of Vespa riders ". The 29 mm increased diameter manifold has been redesigned with a conical inlet and increased diameter exhaust pipe to increase performance while keeping the noise low . Interchangeable with the original , it allows 3.10-10 larger tyres to be installed . Of course , one of Polini ' s best known and most popular performance parts programmes are its ' Variators '. Among the recent additional applications is the Euro 5 , 4-stroke Peugeot Speedfight and NECO 50 , delivering " thrilling performance without compromising safety or reliability ". The half-pulley has been designed with a different belt travel angle for improved performance and the inside of the roller ' s sliding surface has been subject to a polishing treatment to reduce power- robbing friction . Rollers are available in a 5.3 g pack , coated with a new nylon and aramid fibre material . The spring load has been increased by 15 %, while the clutch springs ' load has been increased by 20 % - increasing the clutch engage by 600 rpm . Additional recent new ' Variator ' applications include the 125 cc Yamaha XMAX ( 2021 ), Euro 5 Piaggio Beverly and MP3 400 HPE , and the 2-stroke Euro 4 and 4-stroke Euro 5 Peugeot Kisbee 50 . The new Polini Maxi Speed 3G race clutch for maxi scooters with Piaggio Euro 5 , 4-stroke 125 , 150 , 250 and 300 cc engines has been conceived to better resist the stress of the maxi scooter transmission , especially at starting . It is designed with three centrifugal masses for perfect balance and greater uniformity of friction . It is adjustable ( without disassembly from the transmission ) and " can be calibrated to obtain the
best setting for both touring and race use in track competitions . The friction material has been specified for high grip and exceptional resistance to abrasion at high temperatures ". For the Euro 5 Vespa 125 GTS and GTS SUPER 4T 4V , Polini has a new muffler design - available with
Polini ' s Vespa 125 Primavera ET3 street muffler has evolved to offer a racing version with increased 29 mm manifold .
Recent additions to the Polini ' Variator ' programme include the 4-stroke , Euro 5 Peugeot Speedfight ( seen here ), the 125 cc Yamaha XMAX ( 2021 ), Euro 5 Piaggio Beverly and MP3 400 HPE , and the 2-stroke Euro 4 and 4-stroke Euro 5 Peugeot Kisbee 50 .
44 INTERNATIONAL DEALER NEWS - APRIL / MAY 2023 www . idnmag . com