The Top Cat Cub as built by Charles who otherwise specializes in BSA “Otters” a special oil in framed B40 lightened and set up for pre 65 observed trials. www.bsaotter.com
A great resource for other off road shenanigans.
Like this blue frame article though. It uses an Electrex ignition which is probably the way I’ll go with my Cubby.
geordiebiker.com 