How often do I need to set the ignition timing on my CB550K / CB550F / CB500K? December 17, 2018 05:57 Every 1,500 miles / 2,400 km. Related articles How often do I need to replace the ignition points on my CB550K / CB550F / CB500K? What size fuse do I need for my Honda CB550K / CB550F / CB500K? What is the spark plug gap for the CB550K / CB550F / CB500K? How to set the ignition timing on the Honda CB500K / CB550 What spark plug do I need for my CB550K / CB550F / CB500K?