Thermal Group Diam. 47 Cast Iron Thickness 12

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: Gulliver 50, Rally 50, Scarabeo 50 2T, Sonic 50, SR 50-1994, SR 50 WWW, Carosello 50, 491 Gt, K2 50, Pepe 50, Ark 50, Chrono, Quadra, Tempo, Ax, Gz, Hussar Oliver Popcorn 2002, Helix 50 DL603, T REX 50, Viper RXL 50,, Quasar 50, Centro 50 2T, Ciak 50, F10, F12 Phantom 50, Yesterday, Evolis, Flipper, Fizz, Forte, Hot Champ, Mach G 50, Sorriso 50 2T 1996, Ovetto 50, Big Max 50 2T, Axis 50 2T, Breeze 50 2T, Zest 50 2T, Jog 50, Jog 50 ER, Jog 50 R, Jog 50 Z, Neo's 50 2T, Vino 50 2T, Why 50 2T.