Force 4-150 HP Outboards (includes L-Drives), 1984-1999
Part #: B7514

584 pages

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 SYCHRONIZATION 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 ELEVEN / MANUAL REWIND STARTERS
Engine cover starter / Spool starter / Flywheel-mounted starter

CHAPTER TWELVE / POWER TRIM AND TILT AND REMOTE CONTROL SYSTEMS
Power trim and tilt / Remote controls

INDEX

WIRING DIAGRAMS

Models covered:
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 120 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 120 HP L-DRIVE
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 125 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 125 HP L-DRIVE
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 15 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 150 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 25 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 35 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 4 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 40 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 5 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 50 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 60 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 7.5 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 70 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 75 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 85 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 85 HP L-D RIVE
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 9.9 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 90 HP
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 FORCE 90 HP L-DRIVE

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