
VERTEX Cast Piston (Manufacturer Ref: 22389B) — Replacement part designed for 125 cm3 cylinders in motocross and roadster use. This cast aluminum piston is aimed at riders looking for an original part to restore or maintain their engine while adhering to manufacturer specifications.
This piston is supplied without rings or pin; check the condition of the sleeve and other connecting rod components before installation. The oversize B corresponds to a slightly oversized bore: adjust your choice if your cylinder has already been machined. Installation and timing should be carried out according to the manufacturer's recommendations or by a qualified workshop.
Main compatibilities (for reference only):
Reliable reference for those who want to maintain original specifications and mechanical reliability without seeking to modify the engine's dynamics.