Reply To: Spark Plugs – DR8ES – D9EA – DR8EIX Home › Forums › CB1100R Owners Club Forum › Spark Plugs – DR8ES – D9EA – DR8EIX › Reply To: Spark Plugs – DR8ES – D9EA – DR8EIX August 19, 2012 at 8:48 pm #10750 Trevor HughesKeymaster I always run DR8ES as Mr Honda said.