would a super cub be Ahrma premier legal? Seems if you could prove it competed in trials ...
13.1.2 PREMIER LIGHTWEIGHT: Certain pre-1965 era and like design, unit- or non-unit construction, two- or four-stroke machine, 250cc and smaller. Also, unit-construction, four-stroke machines over 300cc. Examples: Greeves, Dot, Cotton (Villiers-powered), unit-construction BSA singles or twins, Royal Enfield Crusader, Triumph Cub, Triumph 500 unit twin or Triumph-powered Greeves. Hondas are limited to CB160, CL72 and CL77. Modifications and major components are limited to those of the era, typical of machines in the 1960s.