Si ça peut rendre service à quelqu'un, j'ai trouvé le "service manual" (manuel atelier) sur:
http://mesnotices.fr/manuel-notice-m...0DINK%20125-_E

C'est un scan du bouquin, c'est en anglais, ça pèse 22Moctets.

This Service Manual describes the technical features and servicing procedures for the KYMCO GRAND DINK 125/150.

Section 1 contains the precautions for all operations stated in this manual. Read them carefully before any operation is started.

Section 2 is the removal/installation procedures for the frame covers which are subject to higher removal/installation frequency during maintenance and servicing operations.

Section 3 describes the inspection/adjustment procedures, safety rules and service information for each part, starting from periodic maintenance.

Sections 5 through 13 give instructions for disassembly, assembly and adjustment of engine parts.

Section 14 is the removal/ installation of chassis.

Section 16 states the testing and measuring methods of electrical equipment.