1987 Mercruiser Mcm 140 Service Manual

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MerCruiser Stern Drives Models 0, I, II, II TR and TRS, III and 215 featuring: GM inline, V6 and V8; Ford and Mercruiser Engines manual.
Clymer Marine and PWC manuals are the #1 source for DIY maintenance, troubleshooting and repair. With step-by-step procedures combined with detailed photography and extensive use of exploded parts views, Clymer manuals are a must-have tool for the do-it-yourselfer.

MerCruiser Stern Drives Models 0, I, II, II TR and TRS, III and 215 featuring: GM inline, V6 and V8; Ford and Mercruiser Engines manual.
Clymer Marine and PWC manuals are the #1 source for DIY maintenance, troubleshooting and repair. With step-by-step procedures combined with detailed photography and extensive use of exploded parts views, Clymer manuals are a must-have tool for the do-it-yourselfer.

Printed Manual 1964-1987
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Online Manual 1964-1987
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Stern Drive Models:
MerCruiser Model 0 Manual (1964-1985)
MerCruiser Model I Manual (1964-1985)
MerCruiser Model II Manual (1964-1985)
MerCruiser Model II-TR Manual (1986-1987)
MerCruiser Model II-TRS Manual (1986-1987)
MerCruiser Model III Manual (1964-1985)
MerCruiser Model 215 Manual (1964-1985)
Engines covered:
GM inline 4-Cylinder: 153 and 181 cid
GM inline 6-cylinder: 194, 230, 250 and 292 cid
GM V6: 229 and 262 cid
GM V8: 283, 305, 327, 350, 409, 427, 454 and 482 cid
Ford: 302 and 351W cid
MerCruiser: 60, 80, 90, 470, 485, 488, 170MR and 190MR

This MerCruiser manual is 616 pages.
QUICK REFERENCE DATA
CHAPTER ONE / GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Torque specifications / Engine operation / Fasteners / Lubricants / Gasket sealant / Galvanic corrosion / Propellers / Specifications
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 / Ignition system / Engine performance/ Engine oil pressure indicator / Engine oil leaks / Engine noises / Cooling system / Stern drive unit
CHAPTER FOUR / LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-operational checks / Starting check list / Post-operational list / Cooling system flushing / Engine maintenance and lubrication / Engine oil level check / Engine oil and filter change / Fuel system service / Fuel filter service / Recommended gasoline / Flame arrestor / Stern drive lubrication / Model O (60, 80 and 90) lubrication / Lubricant check and change / Early model I, IA, IB and IC lubrication / Lubricant check and change / Late model I lubrication / Lubricant check and change / MerCruiser II lubrication / Lubricant check and change / MerCruiser 215, II-TR, II-TRS and III lubrication / Lubricant check and change / Engine tune-up / Compression test / Spark plugs / Ignition system / Distributor cap, wires and rotor / Contact breaker point replacement / Breaker point adjustment / Ignition timing / Carburetor service / Idle adjustment / Specifications
CHAPTER FIVE / LAY-UP, COOLING SYSTEM AND FITTING OUT
Lay-up / Cooling system draining / Cooling system filling / Fitting out / Specifications
CHAPTER SIX / GM INLINE ENGINE
Removal installation / Rocker arm cover / Intake exhaust manifold / Crankshaft pulley torsional damper / Timing gear cover and seal / Rocker arm / Camshaft / Oil pan / Oil pump / Cylinder head / Valves and seats / Piston connecting rod / Crankshaft / Flywheel / Cylinder block / Core plug / Specifications
CHAPTER SEVEN / GM V6 AND V8 ENGINES
Removal installation / Rocker arm cover / Intake exhaust manifold / Crankshaft pulley and torsional damper / Front cover and seal / Timing chain and sprockets / Rocker arm / Camshaft / Oil pan / Oil pump / Cylinder head / Valves and seats / Piston connecting rod / Crankshaft / Rear main oil seal / Flywheel / Cylinder block / Core plugs / Specifications
CHAPTER EIGHT / FORD V8 ENGINES
Removal installation / Disassembly checklists / Rocker arm cover / Intake manifold / Exhaust manifolds / Crankshaft pulley and vibration damper / Front cover and seal / Timing chain and sprocket / Rocker arm / Camshaft / Oil pan / Oil pump / Cylinder head / Valves and seats / Piston connecting rod / Crankshaft / Rear main bearing oil seal / Flywheel / Cylinder block / Core plugs / Specifications
CHAPTER NINE / MERCRUISER 60, 80 AND 90 ENGINES
Removal installation / Rocker arm cover / Intake exhaust manifolds / Inner transom plate / Front cover and seal / Rocker arm / Camshaft and timing chain / Oil pan pump / Cylinder head / Valves and seats / Piston connecting rod / Crankshaft / Flywheel / Cylinder block / Core plugs / Specifications
CHAPTER TEN / MERCRUISER 470, 485, 488, 170MR AND 190MR
Removal installation / Rocker arm cover / Intake exhaust manifold / Alternator rotor/stator / Front cover and seals / Rocker arm / Camshaft / Timing chain and sprockets / Oil pan / Oil pump / Cylinder head / Valves and seats / Piston connecting rod assembly / Crankshaft / Flywheel / Cylinder block / Core plugs / Specifications
CHAPTER ELEVEN / FUEL SYSTEM
Carburetors / Fuel pump / Specifications
CHAPTER TWELVE / COOLING SYSTEM
Thermostat / Engine circulating pump / Seawater pickup pump / Seawater engine pump / Specifications
CHAPTER THIRTEEN / ELECTRICAL SYSTEMS
Direct drive alternator charging system / MerCrusier 470 alternator charging system (air-cooled regulator) / MerCrusier 470, 485 and 488 (water-cooled regulator) / Delco-Remy external regulator system / Motorola alternator system / Mando alternator system /Drive belt adjustment replacement / Starting system / Ignition system / Breaker point distributor / Thunderbolt distributor / Ignition coil / Ignition resistance wire / 2-station tachometer switch / Switch panel test / Power trim control panel switch / Power trim indicator sender / Neutral safety switch / Specifications
CHAPTER FOURTEEN / MERCRUISER DRIVE SYSTEM
MerCruiser Model O / MerCruiser Model I / MerCrusier Model II non-transom mounted / MerCruiser Model II transom-mounted models / MerCruiser II-TR, II-TRS and 215-H / MerCruiser 215-E / Specifications
CHAPTER FIFTEEN / GEAR HOUSING
Model I drive / Model II drive / Model II-TR and II-TRS gear housing / Model I-MR drive / Specifications
CHAPTER SIXTEEN / DRIVE SHAFT HOUSING
Model I drive / Model II / Model II-TR and II-TRS drive / Specifications
CHAPTER SEVENTEEN / BELL HOUSING, GIMBAL BEARING AND GIMBAL RING
I-drive bell housing / II-TRS bell housing / Gimbal bearing / Gimbal ring / Specifications
CHAPTER EIGHTEEN / POWER TRIM AND TILT SYSTEMS
INDEX
WIRING DIAGRAMS
Models covered:
1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 MerCruiser Model 0
1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 MerCruiser Model 215
1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 MerCruiser Model I
1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 MerCruiser Model II
1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 MerCruiser Model II-TR
1986 1987 MerCruiser Model II-TRS 1986 1987 MerCruiser Model MODEL III
Clymer Manuals MerCruiser Model 0 Manual
Clymer Manuals MerCruiser Model I Manual
Clymer Manuals MerCruiser Model II Manual
Clymer Manuals MerCruiser Model II-TR Manual
Clymer Manuals MerCruiser Model II-TRS Manual
Clymer Manuals MerCruiser Model III Manual
Clymer Manuals MerCruiser Model 215 Manual
Clymer Manuals MerCruiser Model 0 Online Manual
Clymer Manuals MerCruiser Model I Online Manual
Clymer Manuals MerCruiser Model II Online Manual
Clymer Manuals MerCruiser Model II-TR Online Manual
Clymer Manuals MerCruiser Model II-TRS Online Manual
Clymer Manuals MerCruiser Model III Online Manual
Clymer Manuals MerCruiser Model 215 Online Manual
Stern Drive Models:
MerCruiser Model 0 Manual (1964-1985)
MerCruiser Model I Manual (1964-1985)
MerCruiser Model II Manual (1964-1985)
MerCruiser Model II-TR Manual (1986-1987)
MerCruiser Model II-TRS Manual (1986-1987)
MerCruiser Model III Manual (1964-1985)
MerCruiser Model 215 Manual (1964-1985)
Engines covered:
GM inline 4-Cylinder: 153 and 181 cid
GM inline 6-cylinder: 194, 230, 250 and 292 cid
GM V6: 229 and 262 cid
GM V8: 283, 305, 327, 350, 409, 427, 454 and 482 cid
Ford: 302 and 351W cid
MerCruiser: 60, 80, 90, 470, 485, 488, 170MR and 190MR

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