GOL PISTON 38.20 for PIAGGIO 50 SI BOXER 2 BRAVO GRILLO CIAO 12 mm pin year 1973-1988 with 2% mixture

GOL PISTON 38.20 mm this is the standard size of vehicles exported by Piaggio MADE IN ITALY for PIAGGIO 50 SI BOXER 2 BRAVO GRILLO CIAO 12 mm piston pin year 1973-1988 49cc displacement with 2% mixture for original type cylinder with cast iron cylinder - Air Cooling (check the diameter of the cylinder, if it has any scratches, evaluate it and choose a size larger than the current diameter and you can grind the cylinder with the new piston) Original STD Diameter: 38.40 mm (38.20 mm export versions) AVAILABLE Increases up to 39.80 mm Compression: 26.5 B-4.0 Total length / Height: 52.00 mm Pin: 12x31.5 A Band segments: 2- L / 1.5 GI-N