HATZ series 1D speed regulator spring 05201400 Item description:
Producer - German company HATZ.
Catalog number: 05201400
Item no. 5 from the catalog card (second photo)
Spring for revolutions: 3600
The diameter of the winding wire is 1.6 mm Length: 29.5 mm
Application: HATZ engines 1D30 1D40 1D41 1D42 1D50 1D60 1D80 1D81 1D90
Original spring, brand new.