Description
This Clymer OMC Cobra 1986-1993 Stern Drive Boat Engine Repair Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for 1986-1993 OMC Cobra stern drive boat engines including: 2.3L, 2.5L, 3.0L, 4.3L, 4.3L HO, 5.0L, 5.0L HO, 5.7L, 262 Ling Cobra 1989, 350 King Cobra 1988-89, 460 King Cobra 1988-89, 5.8L, 5.0 EFI, and 5.8 EFI marine engines.
1986 1987 1988 1989 1990 1991 1992 1993
Includes general information about each boat engine, tools and techniques, troubleshooting, lubrication, maintenance and tune-up, storage, cooling system service, inline OMC Cobra boat engines, GM V6 and V8 engines, Ford V8 engines, fuel delivery system, cooling system, electrical systems, stern drive and upper gear housing, gearcase housing lower unit, transom assembly, power trim and tilt systems, steering system and complete wiring diagrams. Features 560 illustrated pages.
QUICK REFERENCE DATA
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
Starting system, Charging system, SI-series Delcotron charging system troubleshooting, Motorola charging system troubleshooting, Ignition system, Breaker-point ignition (all 1986-1989 models, 1990 2.3L, 3.0L [PWC], 4.3L, 5.0L 5.0L HO, 5.7L and 5.8L), Delco HEI (High Energy Ignition) and Delco EST (Electronic Spark Timing) ignition system (1990 3.0L [PWS], 3.0L HO [PWS], 1991-on 3.0L and 3.0L HO), Prestolite integral BID (Breakerless Inductive Distributor) ignition system (1991-on 4.3L, 5.0L, 5.0L HO and 5.8L; 1991 and 1992 5.7L; 1993 4.3L HO), OMC Sptifire EEM system (1990-1991 4.3L HO models), Thick Film Integrated (TFI) ignition (1993 5.0 and 5.8 EFI models), Fuel system (except electronic fuel injection), Fuel system (electronic fuel injection?, Engine performance, Engine overheating, Engine oil pressure indicator, Engine oil leaks, Engine noises, Engine troubleshooting, Cooling system, Positive crankcase ventilation system, Stern drive unit
CHAPTER FOUR, LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-operational checks, Starting checklist, Post-operational checks, Cooling system flushing, Engine maintenance and lubrication, Stern drive lubrication, Engine tune-up, Compression check, Ignition system, Carburetor
CHAPTER FIVE, LAY-UP, COOLING SYSTEM SERVICE AND FITTING OUT
Lay-up, Cooling system draining, Cooling system refilling, Fitting out, Engine submersion
CHAPTER SIX, INLINE ENGINES
Engine serial number, Special tools, Gasket sealant, Replacement parts, Engine removal, Engine installation, Rear engine mounts, Engine alignment, Disassembly checklists, Valve cover, Intake and exhaust manifolds, Rocker arms, Crankshaft pulley and front hub (2.5L engine), Crankshaft pulley and harmonic balancer (3.0L engine), Crankshaft pulley and damper (Ford engine), Crankcase front cover and oil seal (GM engine), Camshaft belt outer cover (Ford engine), Timing gear replacement (GM engine), Camshaft belt (Ford engine), Sprocket and front seal replacement (Ford engine), Camshaft, Camshaft and crankshaft gear (GM engine), Auxillay shaft (Ford engine), Oil pan, Oil pump, Cylinder head, Valves and valve seats, Valve lifters, lash adjusters, Piston, connecting rod assembly, Rear main bearing oil seal, Crankshaft, Flywheel, Cylinder block, Core plug replacement
CHAPTER SEVEN, GM V6 AND V8 ENGINES
Engine serial number, Special tools, Gasket sealant, Replacement parts, Engine removal, Engine installation, Rear engine mounts, Engine alignment, Disassembly checklists, Valve covers, Intake manifold, Exhuast manifolds, Rocker arms, Crankshaft pulley and harmonic balancer, Crankcase front cover and oil seal, Timing chain and sprockets, Camshaft, Oil pan, Oil pump, Cylinder head, Valves and valve seats, Valve lifters, Piston, connecting rod assembly, Rear main bearing oil seal, Crankshaft, Flywheel, Cylinder block, Core plug replacement
CHAPTER EIGHT, FORD V8 ENGINES
Engine serial number, Special tools, Gasket sealant, Replacement parts, Engine removal, Engine installation, Rear engine mounts, Engine alignment, Disassembly checklists, Valve covers, Intake manifold, Exhaust manifolds, Rocker arms, Crankshaft pulley and vibration damper, Crankcase front cover and oil seal, Timing chain and sprockets, 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 replacement
CHAPTER NINE, FUEL DELIVERY SYSTEM
Flame arrestor, Fuel requirements and quality, Carburetor fundamentals, Carburetors, Fuel pump and anti-siphon devices, Mechanical fuel pump, Electrical fuel pump (1992-on 4.3L and 4.3L HO models), Fuel lines
CHAPTER TEN, COOLING SYSTEM
Thermostat, Hose replacement, Engine circulating pump, Stern drive pickup pump, Drive belts, Closed cooling system maintenance, Standard cooling system maintenance
CHAPTER ELEVEN, ELECTRICAL SYSTEMS
Battery, Charging system, Starting system, Ignition system, Break-point ignition, Delco HEI (1990 3.0L and 3.0L HO) and Delco EST (1991-on 3.0L and 3.0L HO) ignition, Prestolite integral BID ignition (1991-on and 4.3L, 5.0L, 5.0L HO, 5.7L, 5.8L and 1993 4.3L HO models)
CHAPTER TWELVE, STERN DRIVE AND UPPER GEAR HOUSING
Service precautions, Stern drive, Upper gear housing assembly
CHAPTER THIRTEEN, GEARCASE HOUSING (LOWER UNIT)
Fastener removal, Service precautions, Cobra drive
CHAPTER FOURTEEN, TRANSOM ASSEMBLY
Pivot housing, Gimbal ring, Gimbal housing, Transom bracket shift cable, Thrust plates
CHAPTER FIFTEEN, POWER TRIM AND TILT SYSTEM
System components, Electrical system, 1986-1988 hydraulic system, 1989-on hydraulic system, Mechanical system
CHAPTER SIXTEEN, STEERING SYSTEMS
Safety precautions, Mechanical steering system, Power steering system
INDEX
WIRING DIAGRAMS