HATZ series 1D speed regulator spring 05039700 Item description:
Producer - German company HATZ.
Catalog number: 05039700
Item no. 6 from the catalog card (second photo) and item no. 9 (third photo)
Spring for revolutions: 3600
Winding wire diameter 3.0 mm
Length: 29.5 mm
Application: HATZ engines 1D30 1D40 1D41 1D42 1D50 1D60 1D80 1D81 1D90
Original spring, brand new.