1972 Evinrude StarFlire 125 HP Outboards Service Manual, PN 4822, Page 36Get this manual
Figure 4-5Checking Voltage at Terminal Block
2If battery voltage is present and engine does not start, one or more ignition components (pulse pack, coil, sensor, distributor cap, rotor and related wiring) is at fault3TERMINAL BLOCKCheck connections on motor against drawing (Figure 4-4) to be certain all connections are electrically correct4CLIPPER CIRCUITThe clipper circuit protects the C.Dignition system against an open or intermittant battery circuitNOTE: Rectifier used on this engine is not interchangeable with earlier ones and must be used with clipper circuitSee page 7-14(Trouble shooting the clipper circuit)