CHAPTER ONE - GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Torque specifications /
Engine operation / Fasteners / Lubricants / Gasket sealant / Galvanic corrosion
/ Protection from galvanic corrosion / Propellers
CHAPTER TWO - TOOLS AND TECHNIQUES
Safety first / Basic hand tools / Test equipment / Service hints / Special tips
/ Mechanic's techniques
CHAPTER THREE - TROUBLESHOOTING
Operating requirements / Starting system / Choke solenoid or fuel primer valve
circuits / Alternator charging system / Ignition system / Magneto ignition
system / Battery breaker point ignition system / Prestolite magneto capacitor
discharge ignition / Thunderbolt capacitor discharge ignition / Breakerless
ignition module (BIM) system / Sem walbro capacitor discharge ignition /
Capacitor discharge module (CDM) ignition / Ignition switch / Fuel system /
Power head
CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP
Lubrication / Storage / Complete submersion / Anticorrosion maintenance / Engine
flushing / Tune-up / Compression check / Cylinder head bolt torque / Spark plugs
/ Gearcase and water pump check / Fuel system service / Breaker point ignition
system service / Battery and starter motor check (electric start models) /
Wiring harness check / Engine synchronization and adjustment / Performance test
(on boat)
CHAPTER FIVE / ENGINE SYNCRONIZATION AND LINKAGE ADJUSTMENTS
Engine timing and synchronization / 4, 5, 7.5, 9.9 and 15 hp models / 25 hp
2-cylinder and 35 hp models / 25 hp 3-cylinder models / 40, 50 and 60 hp models
/ 70-150 hp models (including L-drive)
CHAPTER SIX / FUEL SYSTEM
Fuel pump / Carburetors / Carburetor removal/installation / Carburetor
disassembly, reassembly and adjustment / Carburetor cleaning and inspection /
Core plugs and lead shot / Reed valve assembly / Choke solenoid / Primer valve /
Integral fuel tank / Portable fuel tank / Fuel hose and primer bulb / Fuel
recirculation system
CHAPTER SEVEN / IGNITION AND ELECTRICAL SYSTEMS
Battery / Alternator charging system / Electric starting system / Starter motor
system / Ignition systems / Breaker point magneto ignition / Battery breaker
point ignition / Prestolite magneto CD ignition / Thunderbolt capacitor
discharge ignition / Breakerless ignition module (BIM) / Sem-walbro ignition
system / Capacitor discharge module (CDM) ignition (40-120 hp models)
CHAPTER EIGHT / POWER HEAD
Force model numbering system / Fasteners and torque specifications / Power head
removal/installation / Power head disassembly / Power head cleaning/inspection /
Piston and connecting rod / Connecting rod and crankshaft / Cylinder block and
crankcase assembly
CHAPTER NINE / GEARCASE
Service precautions / Propeller / Gearcase / Gearcase disassembly/reassembly /
Gearcase cleaning and inspection / Gearcase shimming / Gearcase pressure testing
/ Zinc anode / Gear shift linkage adjustment / Water pump
CHAPTER TEN / L-DRIVE LOWER ASSEMBLY AND EXHAUST SYSTEM
Lower assembly removal/installation / Exhaust system
CHAPTER TWELVE / POWER TRIM AND TILT AND REMOTE CONTROL SYSTEMS
Power trim and tilt / Remote controls
INDEX
WIRING DIAGRAMS
Models Covered 1984-1999 Force 120 HP
1984-1999 Force 120 HP L-Drive
1984-1999 Force 125 HP
1984-1999 Force 125 HP L-Drive
1984-1999 Force 15 HP
1984-1999 Force 150 HP
1984-1999 Force 25 HP
1984-1999 Force 35 HP
1984-1999 Force 4 HP
1984-1999 Force 40 HP
1984-1999 Force 5 HP
1984-1999 Force 50 HP
1984-1999 Force 60 HP
1984-1999 Force 7.5 HP
1984-1999 Force 70 HP
1984-1999 Force 75 HP
1984-1999 Force 85 HP
1984-1999 Force 85 HP L-Drive
1984-1999 Force 9.9 HP
1984-1999 Force 90 HP
1984-1999 Force 90 HP L-Drive
Part Number Variations B7514
156-B7514
18-0076
180076
47-0076
QS 18-0076
QS180076
QSE76
6202572
