MerCruiser Alpha One, Bravo One, Two and Three Stern Drives, 1986-1994
Part #: B742648 pages CHAPTER ONE / GENERAL INFORMATIONCHAPTER TWO / TOOLS AND TECHNIQUESCHAPTER THREE / TROUBLESHOOTINGCHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UPCHAPTER FIVE / LAY-UP, COOLING SYSTEM SERVICE AND FITTING OUTCHAPTER SIX / GM INLINE ENGINES
Removal installation / Valve cover / Intake exhaust manifolds / Rocker arm assemblies / Crankshaft pulley and torsional damper / Timing gear cover and seal / Camshaft / Oil pan / Oil pump / Cylinder head / Valves and valve seats / Valve lifters / Piston connecting rod assembly / Rear main oil seal / Crankshaft / Flywheel / Cylinder block / Core plug /SpecificationsCHAPTER SEVEN / MERCRUISER INLINE ENGINES
Removal installation / Valve cover / Intake manifold / Rocker arm assemblies / Alternator rotor/stator / Front cover, seals and circulating pump / Timing chain and sprockets / Camshaft / Oil pan pump / Cylinder head / Valves and valve seats / Valve lifters / Piston/connecting rod assembly / Crankshaft / Flywheel housing, coupler and flywheel / Cylinder block / Core plug /SpecificationsCHAPTER EIGHT / GM V6 AND V8 ENGINES
Removal installation / Valve covers / Intake manifold / Exhaust manifold / Rocker arms / Valve lash except Mark V big blocks and Generation II V6 engines / Crankshaft pulley and torsional damper / Crankcase front cover and oil seal / Timing chain and sprockets / Balance shaft V6 models serial No. OF000001-on / Camshaft / Oil pan pump / Cylinder head / Valves and seats / Valve lifters / Piston/connecting rod assembly / Rear main oil seal / Crankshaft / Flywheel / Cylinder block / Core plug /SpecificationsCHAPTER NINE / FUEL DELIVERY SYSTEM
Flame arrestor / Carburetors / Fuel pump and anti-siphon devices /SpecificationsCHAPTER TEN / COOLING SYSTEM
Thermostat / Engine circulating pump / Stern drive water pump / Drive belt / Cooling system maintenance /SpecificationsCHAPTER ELEVEN / ELECTRICAL SYSTEMS
Charging system / Direct drive alternator charging system / Starting system / Ignition system / Breaker point distribution / Thunderbolt IV ignition / DDIS ignition / EST ignition / Ignition coil / Ignition resistor wire (breaker point ignition) / Solenoids / Oil pressure switch sender unit / Water temperature sending unit / Electrical protection / Wiring harness with audio warning system /SpecificationsCHAPTER TWELVE / MERCRUISER DRIVE SYSTEM
Mercruiser Alpha One drive / Mercruiser Bravo One, Bravo Two and Bravo Three drive /SpecificationsCHAPTER THIRTEEN / DRIVE SHAFT HOUSING
Alpha One and Alpha One Generation II drive / Bravo One, Bravo Two and Bravo Three drive /SpecificationsCHAPTER FOURTEEN / GEARCASE HOUSING (LOWER UNIT)
Alpha One drive / Bravo One and Bravo Two drive / Bravo Three /SpecificationsCHAPTER FIFTEEN / BELL HOUSING, GIMBAL BEARING AND GIMBAL RING
Exhaust bellows tube / Shift cable / Gimbal bearing / Bell housing / Water hose and water tube / Gimbal ring, swivel shaft and steering lever service / Gimbal housing /SpecificationsCHAPTER SIXTEEN / POWER TRIM AND TILT SYSTEMS
Low-pressure pump system / Auto trim system / Trim cylinders /SpecificationsCHAPTER SEVENTEEN / STEERING SYSTEMS
Mechanical steering system / Power steering system /SpecificationsCHAPTER EIGHTEEN / CORROSION PROTECTION SYSTEMS
Zinc anodes / Continuity devices / Galvanic isolator / Mercathode system / Corrosion protection test /SpecificationsINDEXWIRING DIAGRAMS Models covered:
1986 1987 1988 1989 1990 1991 1992 1993 1994 MERCRUISER ALPHA ONE
1986 1987 1988 1989 1990 1991 1992 1993 1994 MERCRUISER BRAVO ONE
1986 1987 1988 1989 1990 1991 1992 1993 1994 MERCRUISER BRAVO THREE
1986 1987 1988 1989 1990 1991 1992 1993 1994 MERCRUISER BRAVO TWO
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