How much engine oil do I need for my CB450 / CL450 / CB500T? December 17, 2018 05:09 CB450 / CL450: 2.9 U.S. Quarts / 2.8 Liters Related articles What engine oil should I use for my CB450 / CL450 / CB500T? How to change the oil on the Honda CB450 / CL450 / CB500T How to clean the oil filter on the Honda CB450 / CL450 / CB500T What is the correct tire air pressure for my for my CB450 / CL450 / CB500T? Honda CB450 / CL450 / CB500T Factory Service Manuals