Source google image: http://linode-lon-clara.rgwm.co.uk/webdata/yamaha-chappy-wiring-diagram/125-electrical-wiring-diagram-schematic_15.jpg
Schema electrique chappy
Source google image: http://linode-lon-clara.rgwm.co.uk/webdata/yamaha-chappy-wiring-diagram/125-electrical-wiring-diagram-schematic_15.jpg