2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 158Get this manual
MID UNIT
OIL LEVEL GAUGE GUIDE Install the O-ring to the oil level gauge guide and apply the engine oil to the O-ring 1
MID UNIT
OIL LEVEL GAUGE GUIDE Install the O-ring to the oil level gauge guide and apply the engine oil to the O-ring 1