Brand: Clymer

Quick Reference Data

CHAPTER ONE / GENERAL INFORMATION

CHAPTER TWO / TOOLS AND TECHNIQUES

CHAPTER THREE / TROUBLESHOOTING

CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP

CHAPTER FIVE / LAY-UP, COOLING SYSTEM SERVICE AND FITTING OUT

CHAPTER 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 /Specifications

CHAPTER 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 /Specifications

CHAPTER 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 /Specifications

CHAPTER NINE / FUEL DELIVERY SYSTEM
Flame arrestor / Carburetors / Fuel pump and anti-siphon devices /Specifications

CHAPTER TEN / COOLING SYSTEM
Thermostat / Engine circulating pump / Stern drive water pump / Drive belt / Cooling system maintenance /Specifications

CHAPTER 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 /Specifications

CHAPTER TWELVE / MERCRUISER DRIVE SYSTEM
Mercruiser Alpha One drive / Mercruiser Bravo One, Bravo Two and Bravo Three drive /Specifications

CHAPTER THIRTEEN / DRIVE SHAFT HOUSING
Alpha One and Alpha One Generation II drive / Bravo One, Bravo Two and Bravo Three drive /Specifications

CHAPTER FOURTEEN / GEARCASE HOUSING (LOWER UNIT)
Alpha One drive / Bravo One and Bravo Two drive / Bravo Three /Specifications

CHAPTER 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 /Specifications

CHAPTER SIXTEEN / POWER TRIM AND TILT SYSTEMS
Low-pressure pump system / Auto trim system / Trim cylinders /Specifications

CHAPTER SEVENTEEN / STEERING SYSTEMS
Mechanical steering system / Power steering system /Specifications

CHAPTER EIGHTEEN / CORROSION PROTECTION SYSTEMS
Zinc anodes / Continuity devices / Galvanic isolator / Mercathode system / Corrosion protection test /Specifications

INDEX

WIRING DIAGRAMS

Models Covered
Mercruiser Inline Engines (3.7L)
Mercruiser GM Inline Engines
Mercruiser GM V6 Engines
Mercruiser GM V8 Engines
Mercruiser Alpha One Drive
Mercruiesr Alpha One Generation II Drive
Mercruiser Bravo One Drive
Mercruiser Bravo Two Drive
Mercruiser Bravo Three Drive

Part Number Variations
B742
B-742
156-B742
18-0093
180093
47-0093
QS 18-0093
QS180093
QSE93
6202389