1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 37Get this manual
Table Of Contents Page Battery2B-1 Precautions 2B-1 Recommended Battery 2B-1 Operating Engine Without Battery 2B-1 Specific Gravity Readings 2B-1 Specific Gravity Cell Comparison Test 2B-2 Electrolyte Level 2B-2 Charging Discharged Battery 2B-3 Winter Storage of Batteries 2B-3 Battery Charging System Troubleshooting 2B-4 Battery Charging System (cont 2B-5 10 Ampere Charging System 2B-5 Description2B-5 Stator Ohms Test (Alternator LightingCharging Coil) 2B-6 Alternator System Test (10 Ampere Stator)2B-6 RectifierRegulator Diode Test 2B-7 Starting System 2B-8 Starter Motor Amperes Draw 2B-8 Starting System Components 2B-8 Description 2B-8 Troubleshooting the Starting Circuit 2B-8 Starter Solenoid Test 2B-8 Starter Motor 2B-11 Starter Motor Removal 2B-13 Starter Motor Disassembly 2B-13 Cleaning and Inspection 2B-13 Pinion 2B-14 Brush Holder 2B-14 Armature InspectionTesting 2B-14 Starter Motor Reassembly 2B-16 Starter Motor Installation 2B-17