I seek hopelessly...
Lodola 175 Sport e Normale - Parts list - 1a Edizione - 11/1958 : Tavola 15
Stornello 125 Sport - Atelier : P. 35 to 54, P. 61, P. 63 to 85, P. 88 to 102
Trotter 40cc - Parts List - 2a edizione : Tavola 15
Zigolo 98cc - Parts List - 1a edizione : all references pages are missing
Furghino 49cc - Parts List : Tavola 5
This table available on the floor Technical tables and guides of this website, is not complete. The O-ring parts is very incomplete.
During your “for making better” overhaul intervention please report dimensions and references of the bearings, gaskets rings and O-rings you change. Professionals are welcome !