2009 Yamaha F40 Outboard Service Manual, Page 118Get this manual
ELEC TIP:
Electrical system Rectifier Regulator continuity (testing diode mode): Tester probe Display value (reference data)0.439 0.439 0.440 OL OL OL OL OL OL 0.767 0.440 0.441 0.440
Do not use peak voltage adapter when measuring the Rectifier Regulator output peak voltageRectifier Regulator output peak voltage: Red (R)Ground Unloaded rmin 1500 3500 DC 13.0 13.0 3Disconnect the test harness and the Rectifier Regulator coupler b
OL: Indicates overload
4Check the Rectifier Regulator for continuityReplace if out of specificationMake sure to set the tester measurement range to the diode mode5Connect the Rectifier Regulator couplers and b