2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 183Get this manual

2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 183

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8-18 LOWER UNIT
LEAKAGE CHECK Check for leakage of the oil seal and the O-ring when applying air pressure inside of the gearcase" 09950-69512 Oil leakage testerHand air pump Procedure 1 Install