
VERTEX Cast Piston - Manufacturer Ref. 21725A
VERTEX cast piston designed as a replacement part for the 125 cc engines of Honda MTX and NSR roadsters. Made of aluminum, it offers the geometry and tolerances suitable for engine refurbishment and cylinder reboring.
This piston is intended for engine preparations requiring a replacement part that conforms to the specified bore dimensions. Ideal for replacing the piston and ring, it is suitable for installation on a rebored cylinder according to the oversize letter A. Compatible with the following models:
Before installation, check the condition of the cylinder, the piston/cylinder head clearance, and follow the manufacturer's recommendations for ring replacement and break-in. Piston delivered without rings or pins; plan for associated parts as needed during the overhaul.