On this parts fiche the Protector(170x95x3.0) is the most specified component.
Parts such as the Electrical: Relay Assy,starting Motor, Cdi Unit, Protector(20x50x8), Seal,high Tension Cord are included in the Tr50s 1998 (w) (e02 E04 E22 E26 E34 E53) Electrical parts fiche.