#motorcycle OBD

OBD-II on motorcycles: BMW Motorrad, Harley, Yamaha — where the standard port lives and where it doesn't

What OBD-II can do on a bike: BMW Motorrad K1600 (16-pin OBD), Harley-Davidson (4-pin DDL), Yamaha K-Line, Ducati, KTM. Which adapters and specific codes are available.