Rick's Motorsport Electrics offers a Brand New Aftermarket Rectifier-Regulator for your Vintage Kawasaki 1977-1978 XS400 & XJ400 with OE# 1L9-81910-50-00 and 1L9-81970-60-00. This part is designed with a lower voltage set point to work with lithium ion batteries. Rick's part # 14-404 is a combination unit that will replace the separate rectifier & regulator in your system.

Fits on the following models: