Cylinder kit 39mm for Zündapp M50 434/247, Bergsteiger

Cylinder 50cc with 39mm piston, for Zündapp 247 engines. Intended for fan cooled engines. Develops 1.5~2.9hp depending on other equipment. Exhaust pipe mounting: flange bracket Carburetor mounting: flange bracket Made of cast iron Inspected and supplemented with NTS quality piston in Sweden. NOTE: The cylinder must be cleaned thoroughly before installation as chips or grinding dust from production may occur! For the longest possible durability and service life the cylinder kit should be "run in" during the first approx. 20 miles. Suitable piston: (included) art.no. 11147 Soot kit: art.no. 17057