Set of 2 water pump seals - 4cv

• Special Premium Quality graphite for clutch release bearings
• Important: The release bearing clamping screw must be placed on the side opposite the fork
• It is possible to keep the release bearing and replace only the graphite ring if worn.
• Depending on the diameter of the return spring, it may be necessary to re-drill the release bearing mounting.
• It is recommended to soak the release bearing in warm engine oil and then wipe it dry before installation to avoid squeaking noises

• The sets are supplied with the following components:

  • Liners (x4)
  • Pistons (x4)
  • Rings (x12)
  • Pin (x4)
  • Circle clips (x8)

  Dimensions of the different parts:

  • • Liner bore diameter: Ø 58mm
    • Liner flange or top diameter (D): Ø 73mm
    • Liner base diameter (A): Ø 62.50mm
    • Overall height including skirts of cylinder liners (C): 126mm
    • Height from top of cylinder liner to base seal area (E): 112.80mm
    • Panel dimensions: Ø 14x50mm (Cirlip-free mounting)
    • Ring thickness: 1.75mm / 2mm / 3.5mm (Fireproof/Sealing/Scraper)
    • Base seal type: Copper seal

  Piston mounting direction: an arrow drawn perpendicular to the axis of the piston appears on the top of the piston. It must be oriented in the direction of engine rotation during the connecting rod's downward stroke (see manufacturer's instructions or diagram).

It is essential to check the ring end gap of each piston ring before installing them on the pistons, according to the values ​​given by the manufacturer or in the supplied instructions.

During installation, the ring end gap must be evenly distributed around the piston circumference at 120°.