What fuel should I use in a CB450 / CL450 / CB500T? Brenden December 17, 2018 05:10 Follow We recommend premium (92+ octane) fuel; if it can be found non-ethanol fuel as well. Related articles What is the fuel capacity of a CB450 / CL450 / CB500T? How to Synchronize Carburetors The Honda CB450 / CL450 / CB500t How to rebuild the factory Keihin CV carburetors for the Honda CB450 / CL450 / CB500T What is the carburetor float height for my Honda CB450 / CL450 / CB500T? How do I set the ignition timing on my CB450 / CL450 / CB500T? Comments 0 comments Please sign in to leave a comment.