What size fuse do I need for my Honda CB550K / CB550F / CB500K? Common Motor December 17, 2018 05:54 Follow One 15A fuse Main (All models) Two 7A fuses Head & Tail (All models) http://www.common-motor.com/honda-glass-fuses-15a http://www.common-motor.com/honda-360-500-glass-fuses-7a Related articles What spark plug do I need for my CB550K / CB550F / CB500K? What engine oil should I use for my CB550K / CB550F / CB500K? How often do I need to set the ignition timing on my CB550K / CB550F / CB500K? What's with the two different headlight kits? Comments 0 comments Please sign in to leave a comment.