This piston is approx. 53.00 mm can be turned down to your measurement, piston pin and rings are not included.
Cyl.dia STD 50.00 mm
Comp. height 28.00 + 5.00 mm
Piston length 59.00 mm.
Piston Bolt Dia. 12.00 mm, Length 39.00 mm,
Piston rings 2.50 x 2.50 mm.
Made by Ateko Sweden
Found in DKW-Diamant in Sweden, slightly cult-like 98 cc, 3-speed.