2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 178Get this manual
1E-6 Power Unit Lubrication:
Oil Pressure Switch Inspection
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Oil Strainer Removal and Installation
Before checking the oil pressure switch, make sure the engine oil pressure is within specification1) Remove the blue lead wire (1) from oil pressure switch (2)
Removal Refer to "Engine HolderOil PanDriveshaft HousingMounts Disassembly" in Section 2A (Page 2A-6)Installation Refer to "Engine HolderOil PanDriveshaft HousingMounts Assembly" in Section 2A (Page 2A-9)
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