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Ref : VER00110A / 1095093002
Vertex

Vertex Casted Piston kit

Recommended retail price: 135,66 €122,00 €

Compatibility

Check that this part fits your motorcycle

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Features

VERTEX cast piston intended for the top-end refurbishment of 125 cm3 Honda MTX/NSR. Made of aluminum, this piston offers an original maintenance solution to achieve a controlled piston-cylinder clearance after reboring. Its cast piston manufacturing ensures a geometry suitable for vintage motorcycles where machining precision and compatibility are essential.

  • Manufacturer reference: 21725B
  • Designation: VERTEX cast piston for MTX/NSR125 – 55.97 mm
  • Bore diameter: 56.00 mm
  • Piston diameter: Ø 55.970 mm (size B)
  • Compression: Standard
  • Material: Aluminum
  • Oversize letter: B (Ø 55.97 mm)

Main compatibilities: ideal for Honda MTX 125 RW (1989‑1990) and NSR 125 R (JC20, 1989). Before installation, check the condition of the cylinder, the rings, and perform the break-in according to the manufacturer's recommendations to ensure optimal operation. This piston is suitable for reboring operations and restorations of 125 roadster engines where size B is required.