What brake fluid should I use in my CB550K / CB550F / CB500K? Common Motor December 17, 2018 05:58 Follow DOT 3 brake fluid. Related articles How much engine oil do I need for my CB550K / CB550F / CB500K? How To Clean Oil Filter Honda CB350 / CB360 / CB450 Honda CB Master Cylinder Disassembly How often should I change my front fork oil on my CB550K / CB550F / CB500K? What is the spark plug gap for the CB550K / CB550F / CB500K? Comments 0 comments Please sign in to leave a comment.