Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 51Get this manual

Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 51

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INSP ADJ
4 Tighten: Spark plug Spark plug 25 Nm (2.5 kgf, 18 ft lb)

NOTE: Before installing the spark plug, clean the gasket surface and spark plug surfaceAlso, it is suggested to a