Honda CBX1000 Rear Brake Master Cylinder Rebuild Kit - Z model. Tourmax MSR102 rear master cylinder rebuild Kit for the Honda CBX Z model.
With this kit we supply a replacement EDPM reservoir connector O ring which is essential when rebuilding these cylinders. No other aftermarket supplier supplies these with the kit and is supplied free of charge.
OE part number for the O ring 91212422006.
The front master cylinder rebuild kit can be found here.