A sample from the products for the Owner Tools ('74 -'75 Kz400/kz40 include: Tool-wrench,open End,, Wrench,open End,19x22, Wrench,spark Plug, Screw Driver-#3 Phill.
The most reasonably priced component used on the Kz400d4 1977 Canada Owner Tools ('74 -'75 Kz400/kz40 is the Tool-bar,spark Plug W.