
WÖSSNER Forged Piston – Manufacturer Ref. 4090DA
Designed for 250 cc cross engines, this Wössner forged piston combines dimensional precision and reinforced aluminum material specific to competition parts. It offers geometry that conforms to manufacturer specifications and a finish suitable for off-road conditions, making it ideal for replacement or serious engine overhaul.
The forged design ensures tight tolerances and superior mechanical strength compared to a cast piston, making it a common choice for engines subjected to intensive cycles. Follow the installation recommendations and initial break-in procedures to ensure proper piston/cylinder head clearance adjustment.
Common Compatibilities: