Rick's rectifier-regulator OEM style

OEM style Yamaha rectifier-regulator: This is a combination rectifier & regulator that replaces both separate OEM pieces; installation instructions are included. *Please note there is no specific mounting location for this part- customers will need to determine the best location for the vehicle. Fits: > Yamaha: 79-81 XS400 XJ400 400cc; 1982 XS400SJ Heritage 400cc