98079-5785G S/PLG (KJ22CR-L8) - Overview. The 98079-5785G S/PLG (KJ22CR-L8) is a genuine Honda spark plug designed specifically for Honda marine engine systems. It plays a crucial role in maintaining efficient and reliable ignition performance, which is essential for smooth engine operation and optimal power output. As an integral part of the ignition system, this spark plug ensures consistent combustion and reliable starts.. Key Features. OEM quality spark plug engineered to exact Honda factory