Thermal Group Diam. 47 Cast iron

Additivated pearlitic cast iron cylinder with 5 transfer ports distribution. Transfer designed to ensure extremely vigorous delivery from low revs. Truncated cone type head with calculated squish band. Piston in high silicon content aluminum alloy with two segments. Elliptical shaped exhaust port with large surface and profi le to increase the life of the segments. Diagram designed to ensure the right balance between torque at low revs and maximum power. Applications: Mojito 50 Custom, Scarabeo 50 2T Street Carburetor, Atlantis 50, Bullet 50, Easy Moving, Ice 50 2T, Stalker, Storm, Typhoon, Typhoon 50 X, Jet Set 50, Torpedo 50 2T New, Diesis 50 2T, Fly 50 2T, Free 50 2T, Liberty 50 2T, NRG Extreme, NRG Mc3 DT, NRG Power DT LC, Sfera 50, Sfera 50 Rst, Typhoon 50 2T 2007 2010, Typhoon 50 2T Euro 2 2011, Zip 50 2T, Zip 50 2T 2000 , Zip Fast Rider, Vespa ET2 50-Carburettor, Vespa ET2 50 from 2000, Vespa LX 50 2T, Vespa S (from 2007), Vespa S 50 2T.