The nine Re5 Re5m Re5a 1975 1976 (m) (a) Usa (e03) / 497cc Rotary Radiator Bumper component parts are all listed in this schematic.
On this parts fiche the O Ring(d:3.5,id:5.8) is the most specified component.
A sample from the products for the Radiator Bumper include: Washer, Nut, O Ring(d:3.5,id:5.8), Spacer(8.2x12x17).
