Necchi BU Nova bobbin winder
 

Does anyone have some measurements of the spring and setscrew on the detent hold of a BU Nova's bobbin winder? I just found out mine are missing - the pin is still there thankfully.

I think I can cobble up some replacements. If push comes to shove I might be able to turn up a setscrew. At the very least I'd like a length measurement of the spring.

i have a necchi nova bu also. fortunately it came from retired machine repair man & all parts there.
..but here's some links for parts & manual if needed

https://www.sewingpartsonline.com/ne...ine-parts.aspx

service manual ...
http://freenecchisewingmachinefiles...._nova-mira.pdf

do you have the owners manual? these are all free pdf's. great site

owners manual
http://freenecchisewingmachinefiles....ova_manual.pdf