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Ideal to gain top speed with a good congiguration, here is the POLINI elongated secondary transmission for 50cc scooter PIAGGIO, GILERA, DERBI, VESPA 2T and 4T ... Often, with a big configuration, we arrive at the top speed limit because we reach the limit of the engine speed once the drive and the torque controller are at the bottom, the solution is therefore to put an elongated transmission. Thanks to this transmission, your speed will be higher at the same engine speed! We usually win 10 to 20km / h in diets from 11 000 to 13 5000 revolutions per minute! Do not forget to order the transmission oil that goes with it! This transmission is delivered with its bearings to be able to put it on needle sockets! Thus increase the longevity and performance of the scooter by reducing the forcing. This transmission is in straight teeth (noisier than helocoidal) to reduce friction and increase performance.
Mounts on :
APRILIA: SCARABEO 50 4T 2V RESTYLING Piaggio 2 Valvole - SPORT 125 - SPORTCITY 50 ONE 2 Valvole - SR 50 R-FACTORY INIEZIONE (Motore Piaggio)
DERBI: ACENO 50 - GP1 50 EURO2-OPEN-RACE dal 2005->
GILERA: RUNNER 50 PURE JET
PIAGGIO: DIESIS - NRG MC3 PURE JET - ZIP 50 4T 2 Valvole - ZIP 50 AIR mod.2000 - ZIP 50 SP H2O - ZIP 50 SP H2O mod.2000
VESPA: VESPA 50 ET4 2 Valvole