Polini cylinder kit 49cc AC minarelli vert. cast iron

APRILIA : AMICO 50 - SR 50 mod.1993 
ITALJET : BAZOOKA 1 50 - PISTA 50 1/2, YANKEE, SCOOP 2/3 
MBK : BOOSTER 50 - BOOSTER 50 dal 2004 -> - BOOSTER 50 NEXT GENERATION - BOOSTER 50 R, ROCKET - BOOSTER 50 SPIRIT - BOOSTER 50 TRACK - STUNT 50 
YAMAHA : BW'S 50 dal 2004-> - BW'S 50 NEXT GENERATION - BW'S 50 ZUMA - SLIDER 50 - SPY 50