Genuine Yamaha Spark Plug that fits the following Outboard models:
 
30G/50D/50G/50H/55B/60F/70B/75A/75C/80A/85A/90A/100A/115A/ 115B/115C/140A/150A/150C/150F/175A/175B/175D/200A/200B/200 F/200G/225D/(L)250A/(L)250G