This parts-list page (ELECTRICAL 1) contains the most products with thirty-eight listed parts.
DT50RSM 2007 14P1 BELGIUM 1F13C-300S1 section with forty-one Other schematic pages.
Yamaha DT50RSM 2007 14P1 BELGIUM 1F13C-300S1 on-line schematics - your first port of call when repairing or restoring.