1990 Johnson Evinrude "ES" Cross V 88 thru 115, 150 thru 175, P/N 507874, Page 297Get this manual
Replacement of RectifierRegulator 1Disconnect the battery cables at the battery2Remove the rectifier regulator yellow, yellow gray, gray, and purple leads from the terminal board Remove the rectifierregulator red lead from the starter solenoid 4Remove the flywheel and stator from the powerhead as described in Section 5Remove the six screws retaining the rectifierregulator to the powerhead 6To install, apply OMC Gasket Sealing Compound to new gasket7Place the gasket and the rectifier regulator on the powerheadApply OMC Gasket Sealing Compound to threads of the six retaining screwsInstall and tighten the screws to torque of 7-9 N'm (60-84 inIbs8 Install the stator and the flywheel as described in Section 39 Connect the rectifier regulator red lead to the battery side of the starter solenoid10Connect the remaining rectifierregulator leads to the terminal board following the schematic decal11Reconnect the battery cables