OEM Vespa Voltage Regulator PX, PK, ET2, ET4 (NOS) Options_Brakes X9 500 Evolution NOABS E2

X9 500 Evolution NOABS E2 2006-2007 (NAFTA)

but the longer stroke allows for improved performance due to longer intake timing angles

2194672 -  178494 (PIAGGIO)

HOMOLOGATED

increasing displacement by 3mm

OEM Vespa Voltage Regulator PX, PK, ET2, ET4 (NOS) Options_Brakes X9 500 Evolution NOABS E2Piaggio, Vespa 5 Terminal Regulator This 12 volt 5 terminal regulator rectifier serves as a direct replacement for Piaggio part numbers 185824, 291931, 2919315, and 2940165. Featuring A, A, G, +B, and Earth terminals, it's engineered for PK electric start models equipped with 5 wire round stator connectors, as well as PX electric start variants from 1984 1997 featuring 4 wire round stator plugs. Critical compatibility note: Vespa PX electric start