Piston Set 39/12 mm (E) -1970 Zündapp

Does not fit KM50 but the other "regular" engines. Total height = 51,5 mm Dome = 1,7mm Piston edge--Center piston pin = 32mm Diameter = 38,965mm Piston ring groove = 2x 2,5mm For engines with short connecting rod. The product fits Zündapp 428 Combinette (265, 2-speed) 510 Sport Combinette (267, 3-speed) 517 C/CS50/GS/GT50 (278, 3-speed) (NL) 517 KS50 (278, 3-speed) (SE) Engine 276. 4-speed Engine 278. 3-speed Engine 284. 5-speed