Questions? Looking for parts? Parts for sale? or just for a chat,
The WD Motorcycle forum
I saw what looks to be a WM20 speedo drive on Ebay https://www.ebay.com/itm/Speedo-Drive-BSA-Villiers-Triumph-Norton-AJS-Greeves/393161749997?hash=item5b8a4435ed%3Ag%3AM94AAOSwYvpgOnWv&LH_ItemCondition=1500%7C2500%7C3000%7C7000
email (option): cas.vanderwoude@gmail.com
Cas it looks right but you need to ask him to check the rotation. Turn the driving dogs clockwise and the cable output should also turn clockwise. Ron
email (option): ronpier@talk21.com
I don't need one Ron but I thought others might. And yes, gotta check rotation