1971 Johnson 125HP outboards Service Manual, Page 4Get this manual
TABLE OF CONTENTS (CONT)
PAGE SECTION POWER HEAD Description Theory of Operation Removal of Power Head from Exhaust Housing Disassembly of Power Head Cleaning, Inspection and Repair Reassembly of Power Head Reassembly of Power Head to Exhaust Housing Break-In Power Head Reference Views 5-18 SECTION LOWER UNIT Description Removal of Gearcase Removal of Exhaust Housing and Adapter Disassembly of Stern and Swivel Brackets Disassembly of Gearcase Cleaning, Inspection and Repair Reassembly of Gearcase Reassembly of Stern and Swivel Brackets Reassembly of Exhaust Housing and Adapter Installation of Gearcase Trim Tab Adjustment SECTION ELECTRICAL SYSTEM Description 7- Troubleshooting the Electrical System 7- Battery Specifications 7- Starter System 7-7 Removal of Starter 7-7 Disassembly of Starter 7-7 Cleaning, Inspection and Repair 7-8 Reassembly of Starter 7-8 Installation of Starter 7- Ampere Alternator System 7-9 Trouble Shooting The Alternator System 7-9 Checking Rectifier Diodes 7-9 Blocking and Shift Diodes 7-11 Checking Blocking Diode7-11 Checking Shift Diodes 7-11 Charging Circuit Checks -12 Starter Circuit Trouble Shooting 7-13 Clipper Circuit Trouble Shooting 7-14 Charging Circuit Trouble Shooting 7-16 Wiring Diagram End of Section SECTION REMOTE CONTROL Des criptionTesting Remote Control Shift Circuit Testing "Hot" Horn Control Disassembly and Switch RemovalChecking Shift Blocking Diode Control Assembly and Switch Installation Warm-up Lever Adjustment Shift Circuit Trouble Shooting 8- 8-2 8-2 8-3 8-3 8-3 8-4 8-4 6-3 6-4 6-5 6-7 6-7 6-11 6-12 6-16 6-17 6-17 6-18 5-2 5-2 5-5 5-6 5-8 5-11 5-17 5-17 5-20