BSA Owners' Club Workshop Discussions

The BSA Workshop => Pre War => Topic started by: Greenfield on 09 Mar, 2024, 16:22

Title: B21 speedo drive
Post by: Greenfield on 09 Mar, 2024, 16:22
I have a rather sad looking speedo drive from a B21 in need of tlc. It has a cork to prevent dirt getting into the mechanism. Presumably there was a removable cover originally to allow access to the gears for lubrication. I anyone able to shed any light on the subject?
Cheers
Title: Re: B21 speedo drive
Post by: militaryron on 09 Mar, 2024, 19:09
Yes they have an interference fit cup shaped disc with an oiler in the middle. Ron
Title: Re: B21 speedo drive
Post by: Greenfield on 09 Mar, 2024, 19:53
Thanks Ron, I'll see what I can cobble together. Are we looking at grease or oil to lubricate the gears?
Title: Re: B21 speedo drive
Post by: militaryron on 09 Mar, 2024, 20:59
A small amount of grease. Ron