Source google image: https://www.parts-piaggio.com/thumbs/piaggio/moto_img/1077/800_800/Cylinder-piston-wrist-pin-unit-VESPA-VESPA-SCOOTER-125-LX-2017-Vespa-LX-4T-3V-iGet-8.png
Schema electrique vespa lx 125
Source google image: https://www.parts-piaggio.com/thumbs/piaggio/moto_img/1077/800_800/Cylinder-piston-wrist-pin-unit-VESPA-VESPA-SCOOTER-125-LX-2017-Vespa-LX-4T-3V-iGet-8.png