The BSA A7-A10 Forum

Technical => Clutch, Primary, Gearbox => Topic started by: Lightningpower on 09.11. 2011 01:21

Title: ASC2 gearbox
Post by: Lightningpower on 09.11. 2011 01:21
One thing the frame does have is an ASC2 gearbox.  Any idea of what that is?
Title: Re: ASC2 gearbox
Post by: A10Boy on 09.11. 2011 09:34
I think thats a scrambles box
Title: Re: ASC2 gearbox
Post by: MG on 09.11. 2011 12:25
Here's the BSA Service Sheet on gearbox ratios. The ASC box seems to be a pretty rare thing, good score!

Cheers, Markus
Title: Re: ASC2 gearbox
Post by: Lightningpower on 10.11. 2011 05:22
I wonder what the 2 means?
Title: Re: ASC2 gearbox
Post by: Brian on 10.11. 2011 05:37
I'm probably wrong but I think the 2 means it has needle roller mainshaft bearings.
Title: Re: ASC2 gearbox
Post by: rockthedog on 10.11. 2011 21:48
I'm probably wrong but I think the 2 means it has needle roller mainshaft bearings.

no think you are right a rair box *smile*
Title: Re: ASC2 gearbox
Post by: chaterlea25 on 11.11. 2011 00:07
Hi all,
T2 means neele rollers on main and layshaft
T is neele rollers on one shaft (layshaft only I think ????)
HTH
John O R