What spark plug do I need for my CB550K / CB550F / CB500K? Brenden July 30, 2021 20:07 Updated Follow D7EA (NGK) Related articles What is the spark plug gap for the CB550K / CB550F / CB500K? How to set the ignition timing on the Honda CB500K / CB550 My spark plug caps do not fit? Spark plug terminal nut versus terminal stud. How to change the oil and oil filter on the Honda CB500K and CB550 How to adjust the cam chain and valves on the Honda CB500K / CB550 Comments 1 comment Sort by Date Votes NOT YOURS February 02, 2023 22:28 1974 cb550k0, 7700miles, stored 28years, original everything,not one bolt turned, Upon changing the spark plugs I found ngk D8ES installed from the factory. Will either spark plug work? Or should I switch ? 0 Comment actions Permalink Please sign in to leave a comment.
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1974 cb550k0, 7700miles, stored 28years, original everything,not one bolt turned,
Upon changing the spark plugs I found ngk D8ES installed from the factory.
Will either spark plug work?
Or should I switch ?
Please sign in to leave a comment.