HATZ 1B20 1B30 speed regulator spring 50563400 Item description:
Producer - German company HATZ.
Catalog number: 50563400
Item no. 50 from the catalog card (second photo)
Total length of the spring ~ 26 mm, diameter ~ 4.4 mm Application: HATZ engines 1B20 1B30 1B40 1B50
Original spring, brand new.