Not sure about this Enforcer - The Flug-Werke guys do have a 'Dora' version, but I think the one in the video may be the only extant example with the original engine. I know there's one lurking Stateside, although I'm not sure where (possibly owned by that guy who used to part own MS with Billy G). Since the FW aircraft use modern engines, they have electric starters.
Dear old Black 6 in the second video also had an original engine, hence the requirement to 'wind it up'. Such a shame to see her consigned to Hendon after the CAA numptys withdrew her C of A after a fairly minor landing accident a few years back. A genuine combat vet 109. Criminal really.
Jabo