What brake fluid should I use in my CB450 / CL450 / CB500T? December 17, 2018 05:35 DOT 3 brake fluid. Related articles How often do I need to replace the ignition points on my CB450 / CL450 / CB500T? Honda CB450 / CL450 / CB500T Factory Service Manuals How to change the oil on the Honda CB450 / CL450 / CB500T Honda CB450 / CL450 / CB550 Rear Brake Rebuild What spark plug do I need for my CB450 / CL450 / CB500T?