l400

anyone know what engine was stock to this mini and anyone who knows these bikes well i have other questions thank you:shrug:

My 1968 Christmas present rides again after 30 years of silence and barn storage. She has the original frame, foot pegs re-attached, powder coated original wheels (w/ new rear Sprocket), new inner front fork springs with retainer added to prevent fall out, re-furbished original bendix 5" brakes...