If you need a fine clutch lever with accessory choke/enrichening lever, this might be for you.  Polished lever shown here, all black available in another listing.  Note 90-degree mirror mount.

Matches Brembo rectangular-reservoir brake master cylinder VERY WELL.

(NOTE:  Would likely require custom 2-1 choke cable arrangement.  Otherwise should bolt right on.)

I will answer questions promptly, good luck and thanks for looking.