Suzuki 2003-2007 DF60 DF70 Outboard Motors Service Manual, Page 92Get this manual
ENGINE CONTROL SYSTEM
OIL PRESSURE SWITCH 09940-44121: Air pressure gauge 09930-99320: Digital tester 09952-99310: Air pump Tester range(Continuity) 1Remove the oil pressure switch(See the page 3-53 2Connect the gauge and an air pump as shown3While applying pressure to the oil pressure switch, inspect continuityOil pressure switch function: Pressure kPa (kgcm2) Less than 70 130 (0.7 1.3) 70 130 (0.7 1.3) or over Continuity Yes No