Screw plug and sealing ring set: one plastic screw plug in red and one in black colour. For oil filler and oil level opening (left-hand side of the crankcase), suitable for Simson moped S51, S53, S70, S83 or Schwalbe KR51/2 as well as SR50 or SR80 scooter. Ref 40910 4057237619716 13621