
TECNIUM Cast Piston — manufacturer reference PSK-YB125R-100. Designed for 4T small displacement rebuilds, this cast piston Ø 55.00 mm offers a reliable and economical solution for restoring both the bottom and top end without compromising the original geometry. Ideal for Cross and Roadster environments, it is particularly suitable for 125 cm3 single-cylinder engines.
Tecnium's manufacturing aims for a faithful rebuild to the original equipment, with machining quality that contributes to the longevity of the piston-ring assembly. This piston is intended for mechanics and DIY enthusiasts who are concerned about a clean replacement during a +100 re-bore. Before installation, check the condition of the cylinder, rings, and axial play, and adhere to the manufacturer's assembly and break-in recommendations.
Common compatibilities: YAMAHA YBR 125 E (2017), SHERCO XY 125 4T (2016), SCORPA 125 TY-S F (2016). Always verify the exact engine/year reference before ordering.