Cylinder kit 43mm for Yamaha FS1

Cylinder 60cc with 43mm piston, for Yamaha FS1. Intended for speed wind cooled engines. Develops 5~7hp depending on other equipment. Exhaust pipe attachment: Thread Intended for engines with slide feed Made of cast iron Inspected and supplemented with NTS quality piston in Sweden. NOTE: The cylinder must be cleaned carefully before assembly 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. The oil ring supplied is placed in the lower piston ring groove. Suitable piston: (included) 13530 Suitable soot kit: 13216