
Manufacturer reference: 0503405 — TECNIUM cast piston for 2T engines. Designed as a replacement part, this piston is aimed at enthusiasts of small urban displacement who are looking for a standard part for restoration or regular maintenance.
This cast piston is installed in two-stroke configurations equipped with a bore of around 40.3 mm. It is suitable for replacement in original setups when bore tolerances and piston/ring clearance are respected. Ideal for urban use, it fits into standard cylinder/ring/piston pin assemblies, facilitating maintenance and restart.
Common compatibilities:
Check the cylinder bore and piston/ring clearance before installation. For safe installation, follow the manufacturer's recommendations regarding assembly, break-in, and tightening of circlips and the pin.