This replacesMAGNETI MARELLI ACI600, ACI601, ACI602, ACI603 & ACI604 units OR EFI Technology AC2i, AC3i, AC5i, AC8i units. For Piaggio/Vespa air cooled Leader engine models.
The Immobiliser CDI Bypass Piaggio Vespa ET4 150 for 2003-2004 models with Part Numbers ACI600 to ACI604 is ideal for Vespa owners who seek to bypass the immobilizer and improve engine performance on these specific Piaggio Vespa ET4 150 vehicles.
