1968 Yamaha DT-1 250cc Engine Cylinder w/ New Piston and ect. Size 0.75 mm .
1968 Yamaha DT-1 250cc Engine Cylinder w/ New Piston and ect. Size 0.75 mm. This cylinder was on an complete engine that was in a old inventory buy it was fitted with this new piston kit. Not sure if the liner was bored of honed.