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 adjust the cam chain and valves on the Honda CB500K / CB550 Parts That Will Need Replacement On A Vintage Honda Project Motorcycle aka The "Laundry List" How to set the ignition timing on the Honda CB500K / CB550 Check our general maintenance section for more topics! 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.