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Mercury Mercruiser Sterndrive Service Repair Manual 1964-2006

Mercury Mercruiser Sterndrive Service Repair Manual 1964-2006

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Mercury Mercruiser Sterndrive 1964 - 2006 Service Repair Manual

Loaded with illustrations, instructions, photos, and diagrams, complete to service and repair your Mercury. Read and print pages, or copy the entire manual to your hard drive.

1770 Pages


MODEL YEAR:

1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006


MANUAL COVERS: 

SECTION 1 – 1964-1991
Type 1, MR
Alpha and Bravo I and II – Carburator and Fuel Injected
Page:  2-600

SECTION 2 – 1992-2000
Gasoline Engines
Alpha, Bravo, Blackhawk and 
All Inboard Transmissions
Page:  602-1186

SECTION 3 – 2001-2006
Gasoline Engines and Drives
Including Inboards and Transmissions
Page:  1188-1770


MANUAL COVERS:

1 SAFETY
INTRODUCTION
CLEANING, WAXING,
AND POLISHING
CONTROLLING CORROSION
PROPELLERS
FUEL SYSTEM
LOADING
FLOTATION
EMERGENCY EQUIPMENT
COMPASS
STEERING
ANCHORS
MISCELLANEOUS EQUIPMENT
NAVIGATION
2 TUNING
INTRODUCTION
TUNING FOR PERFORMANCE
MECHANICAL TASKS
IGNITION
FUEL SYSTEM
Adjusting Idle Speed
and Mixture
3 ENGINE
INTRODUCTION/CHPT. COVERAGE 
GENERAL PRINCIPLES 
Piston Strokes & Combustion 
Valve Timing 
Engine Types 
TROUBLESHOOTING 
Cranking System 
Ignition System 
Compression Test 
Mechanical Problems 
Excessive Oil Consumption 
ENGINE REMOVAL, INSTALLATION
AND ALIGNMENT 
PAN INSTALLATION -- All Models 
INTAKE MANIFOLD SERVICE
EXHAUST MANIFOLD SERVICE
CYLINDER HEAD SERVICE
Removal
Head Disassembling
Cleaning & Inspecting
Valve Mechanism Service
Valve Guide
Valve Seats
Valves
Valve Springs
Hydraulic Lifters
Head Assembling
Head Installation
PISTON, RING, & ROD SERVICE
Removal
Cleaning & Inspecting
Assembling
CYLINDER BLOCK SERVICE
Piston & Rod Installation
VALVE LASH ADJUSTMENTS
Mercury Marine Engines
GMC 4- & 6-Cyl. In-Line
GMC V6 & V 8
Ford V 8 Only
TIMING CHAIN, GEAR
AND CAMSHAFT
GMC 4- & 6-Cyl. In-Line
GMC V6 & V8
Early Mercury Marine
Mercury Marine & Ford
CAMSHAFT BEARING SERVICE
ALL UNITS
Lift Measurement GMC Only
Lift Measurement Mercury
OIL PUMP SERVICE -- All Models 
Marine & Ford
3 ENGINE (CONTINUED)
CRANKSHAFT ROD & MAIN BRGS. 
GMC 4- & 6-Cyl. In-Line 
GMC V6 & V8 
Mercury Marine & Ford 
Crankshaft Installation 
4 FUEL
INTRODUCTION/CHPT. COVERAGE 
TROUBLESHOOTING
Excessive Fuel Consumption
Engine Surge
Rough Engine Idle
FUEL PUMPS AND FILTERS
Single-Diaphragm Pump
Dual-Diaphragm Pump
Pump Pressure Test
Pump Volume Test
Fuel Line Test
Fuel Pump Removal/Installation
Fuel Filter Replacement
Flame Arrestor Cleaning
Water Separating Filter
MODERN FUELS
"Sour" Fuel
CARBURATORS, GENERAL INFO.
ROCHESTER BC
Removal/Disassembling
Assembling
Adjusting
CARTER RBS
Description & Operation
Disassembling
Assembling
Bench Adjustments
Synchronizing Dual Carbs.
ROCHESTER 2GC & MerCarb
Disassembling
Assembling
Bench Adjustments
ROCHESTER 4MV AND 4MC
Description
Disassembling
Assembling
Bench Adjustments
HOLLEY CARBURETORS
TWO-BARREL - 2300C
FOUR-BARREL - 4150, 4160 & 4011 
Description 6:Operation 
Disassembling - 2300C,
4150 & 4160 
Cleaning 8 Inspecting 
Assembling 
Tuning Adjustments 
Disassembling - 401 1 
Cleaning & Inspecting 
Assembling 
Tuning Adjustments 
EFI (ELECTRONIC FUEL
INJECTION)
Description & Operation
Manifold Pressure
ECU (Electronic Control)
Fuel Pump & Routing
Air Temperature Sensor
Auxiliary Air Valve
Manifold Absolute Pressure
(MAP) Sensor
Coolant Temperature Sensor
Throttle Position Sensor
Fuel Injectors
Fuel Rail
Fuel Pressure Regulator
Oil Pressure Sensor
Throttle Shutter
Electric High Pressure
Fuel Pump
Water Separating Filter
RPM Sensor
Electronic Control (ECU)
Troubleshooting EFI 
Installed Injector Test 
Voltage t o Electric Pump Test 
Testing Fuel Pump Pressure 
Testing Injector Harness 
Testing Fuel Injectors 
Air Temp. Sensor Check 
Coolant Temp. Sensor Test 
Throttle Position Sensor Test 
EFI Maintenance 
Leaded Gasoline & Gasohol 
SERVICING EFI 
Removal 
Cleaning & Inspecting 
Installation 
Special Timing Words 
5 IGNITION
DESCRIPTION
Standard Ignition System
Ballast Resistor
Shift Cutout Switch
Ignition Timing
Thunderbolt IV System
TROUBLESHOOTING
Compression
General Tests
Condenser Test
Secondary Circuit Test
Ignition Voltage Tests
Spark Plug Troubleshooting
Spark Plug Evaluation
Polarity Check
DISTRIBUTOR SERVICE
Removal
SERVICING A DELCO-REMY
Disassembling - from a
4- o r 6- cylinder engine
Assembling
Disassembling from a
GMC V8
Assembling
SERVICING A MALLORY
Disassembling from
a V8 engine
Assembling
SERVICING A MERCURY MARINE 
Disassembling from a V8 
Assembling 
SERVICING AN AUTOLITE
OR PRESTOLITE 
Disassembling from a V8 
Assembling 
ADJUSTING POINT GAP
ALL DISTRIBUTORS 5-27
DISTRIBUTOR INSTALLATION 
MCM 185 229 CID 
All Other Engines 
Adjusting Dwell 
Adjusting Timing 
DDIS (DIGITAL DISTRIBUTORLESS
IGNITION SYSTEM) 
6 ELECTRICAL
INTRODUCTION
BATTERIES
JUMPER CABLES
DUAL BATTERY INSTALLATION
GAUGES AND HORNS
Oil and Temperature Gauges
Warning Lights
Fuel Gauges
Troubleshooting
Tachometer
Horns
CHARGING SYSTEM
Alternator
Troubleshooting
Servicing Charging System
with Separate Regulator
Servicing Delcotron Alternator
Servicing Valeo Alternator
Troubleshooting
Removal
Cleaning & Testing Brushes
Testing Alternator
Assembling & Installation
CRANKING SYSTEM
Troubleshooting
Delco-Remy Cranking Motor
Description & Operation
Servicing
Testing
Assembling
Autolite Cranking Motor
Description & Operation
Disassembling
Bench Tests
Assembling
Prestolite Cranking Motor
Description & Operation
Disassembling
Assembling
7 REMOTE CONTROLS
INTRODUCTION
SHIFT/STEERING CABLE
EARLY TYPE SHIFT CABLE
SERVICE -- PRIOR T O 1973
7 REMOTE CONTROLS (CONTINUED)
EARLY TYPE SHIFT (Continued)
Attaching Shift Cable Mounted
on Starboard Side 
Adjusting Shift Cable Mounted
on Starboard Side 
Attaching Shift Cable Mounted
on Port Side 
Adjusting Shift Cable Mounted
on Port Side 
LATE TYPE SHIFT CABLE SERVICE
1973 TO 1982 
Installation Dimensions 
Shift Cable Installation 
Shift Cable Adjustment 
SHIFT CABLES SINCE 1983
MODELS R, MR, AND ALPHA 
Upper Shift Cable Installation 
Lower Shift Cable Installation 
BRAVO SHIFT CABLE SERVICE 
Shift Cable Adjustment
Stern Drive Removed 
Shift Cable Adjustment
Stern Drive Installed 
Cut-Out Switch -- Lever
Position Adjustment 
Reverse Lock Valve Adjustment 
COMMANDER CONTROL
SHIFT BOX 
Removal/Disassembling 
Cleaning & Inspecting 
Assembling 
STEERING SYSTEMS 
DIRECTIONAL INDICATOR SYS. 
Disassembling 
Cleaning & Inspecting 
Assembling 
ROTARY STEERING SERVICE 
Disassembling 
Cleaning & Inspecting 
Assembling 
POWER STEERING
DESCRIPTION & OPERATION 
SYSTEM MAINTENANCE 
Adding Hydraulic Fluid 
Bleeding System 
Belt Adjustment 
Actuator Valve Adjustment 
POWER STEERING COOLER 
INTRODUCTION 
MECHANICAL TILT MECHANISM 
HYDRAULIC SYSTEM 
System Operation 
UP Circuit 
UP and DOWN Circuit 
Trailer ingllaunching 
GENERAL SERVICE INSTRUCTIONS 
TROUBLESHOOTING 
Mechanical Problems 
Electrical Problems 
TESTING SYSTEM COMPONENTS 
PURGING AIR ("BLEEDING") SYS. 
Early Model Systems -- Both
Hoses Connected t o Fwd.
End of Cylinder 
L a t e Model Systems -- One
Hose connected to Each
End of Cylinder 
TRIM SENDER SYSTEMS 
Disassembling 
Assembling 
L4djustrnents 
REVERSE LOCK VALVE 
Description 
Disassembling 
Assembling 
Adjustment 
PUMP MOTOR 
Troubleshooting 
Disassembling 
Cleaning & Testing 
9 COOLING
DESCRIPTION
TROUBLESHOOTING
SERVICE
DRAINING 6
In-Line Engines w/Std. Sys. 
In-Line Engines w/Closed Sys. 
V8 Engines w/Std. Sys. 
V8 Engines w/Closed Sys. 
WATER PUMP 
THERMOSTAT 
HEAT EXCHANGER
In-Line Engines
V8 Engines
FILLING SYSTEM 
EXHAUST MANIFOLD
GMC In-Line Engines 
470 Engine 
Ford V8 Engines 
GMC V8 Engines 
EXHAUST SHUTTER 
STERN DRIVE WATER PUMP 
Lower Unit Removal 
Pump Installation 
Lower Unit Installation 
BRAVO WATER PUMP ON ENGINE 
Disassembling 
Cleaning & Inspecting 
Assembling 
STERN DRIVE
NOTE
PAGES 10-2 THRU 10-58 COVER
ALL UNITS, EXCEPT BRAVO
PAGES 10-58 THRU 10-110 COVER
BRAVO STERN DRIVE
INTRODUCTION
OPERATION
TROUBLESHOOTING
SERVICE PRECAUTIONS
PROPELLER REMOVAL
TRIM CYLINDER REMOVAL
STERN DRIVE REMOVAL
UPPER GEAR HOUSING
Disassembling
Cleaning & Inspecting
U-Joint, Drive Gear
and Bearing Disassembling
Assembling
Upper Gear Housing Assembling
Upper Driveshaft and Driven
Gear Assembling
Adjustments
Bearing Preload Adjust.
Driven Gear Shimming
U-Joint Bearing & Bearing
Assembly Installation
Drive Gear Shimming
LOWER UNIT
Housing Removal
Disassembling
Cleaning & Inspecting
Reverse Bearing Carrier
Propeller Shaft
Lower Unit Assembling
Forward Gear Backlash
Reverse Gear Backlash
Pinion Gear Shimming
Forward & Reverse
Gear Shimming
Water Pump Installation
Lower Unit Installation
UPPER GEAR HOIJSING T O
LOWER UNIT ASSEMBLING 
STERN DRIVE INSTALLATION 
TRIM CYLINDER INSTALLATION 
PROPELLER INSTALLATION 
STERN DRIVE LUBRICATION 
BRAVO STERN DRIVE
INTRODUCTION
OPERATION
TROUBLESHOOTING
BRAVO SERVICE
Propeller Removal
Braining Lubricant
Separating Stern Drive
From Bell 1-Iousing
Separating Upper Gear C a s e
Housing From Lower Unit
Upper Gear C a s e Service
Rear & Top Cover Removal
Bearing Removal
U-Joint Shaft Removal
Clutch Disassembling
Shifter Bushings & Seal
Cleaning & Inspecting
Assembling
Bearing & Sleeve Instl.
Shifter Bushing & Seal
Clutch Assembly
U-Joint Shaft Assembly
Spacer & Rolling Torque
Lower Unit Service
Disassembling
Bearing Carrier and
Propeller Shaft
Driveshaft
Propeller S h a f t Bearing
Cleaning & Inspecting
Assembling Lower Unit
Driveshaft
Bearing Carrier
Drive Gear & Bearing
Driveshaft Bearing Races
Drive Gear & rives shaft
10 STERN DRIVE (CONTINUED)
BRAVO LOWER UNIT Continued)
Shimming 10-102
Pinion Gear Height 
Driveshaft Preload 
Backlash & Rolling Torque 
Mating Lower Unit To
Upper Gear C a s e Housing 
Mating Stern Drive t o
Bell Housing 
Propeller Installation 
Stern Drive Lubrication 
11 BELL HOUSING
INTRODUCTION 
TROUBLESHOOTING 
GIMBAL HOUSING & TRANSOM
PLATE INSTALLATION 
CONNECTING HYDRAULIC HOSES
In-Line Engines 
V8 Engines 13 ENGINE REMOVAL/INSTALLATION
INTRODUCTION 
REMOVAL 
INSTALLATION
In-Line Engine 
Throttle Cable Installation
and Adjustment 
V8 Engine 
Throttle Cable Installation
and Adjustment 
SERVICE PROCEDURES 
14 MAINTENANCE
GIMBAL HOUSING BALL BEARING
Removal
Installation
TRANSOM SHIFT CABLE
Removal
Installation
EXHAUST BELLOWS
Removal
Installation
U-JOINT BELLOWS
Removal
Installation
BELL HOUSING
Removal
Disassembling
GIMBAL RING
Removal
Disassembling
Cleaning & Inspecting
Assembling 2 Installation
BELL HOUSING
Assembling & Installation
12 GIMBAL HOUSING
INTRODUCTION
TRANSOM PLATE
Removal
Cleaning & Inspecting
INTRODUCTION 
ENGINE SERIAL NUMBERS 
STERN DRIVE IDENTIFICATION
AND SERIAL NUMBERS 
SHIFT IDENTIFICATION ALL UNITS,
EXCEPT BRAVO 
BELOW WATERLINE SERVICE 
ENGINE FLUIDS 
OFF-SEASON STORAGE 
STE RN DRIVE LUBRICATION 
Filling/Draining 
Models 1, IA, 18, 1 C 
All Others, Incl. Bravo 
PRE-SEASON PREPARATION 
APPENDIX
CONVERSIONS
Metric 
Drill Size 
TORQUE VALUES 
TUNE-UP SPECIFICATIONS 
CARBURETOR SPECIFICATIONS 
ENGINE SPECIFICATIONS
MCM888/225S/223/250/260/320 
l5O/l6O/l65 6-Cyl. In-Line
APPENDIX (CONTINUED)
ENGINE SPECIFICATION (Continued)
MCM11011201120MR 4-Cyl.
MCM140 6-Cyl. In-Line
MCM140/140MR 4-Cyi. 
UPPER DRIVESHAFT GEAR RATIO
LOWER UNIT BACKLASH 
WIRE IDENTIFICATION AND ROUTING
Instrument Cluster
with Warning Light
Thunderbolt Ignition 
Instrument Panel 
Model 120, 140, 165
(Check Serial Numbers) 
Model 898 
Model 888, 225-S, 233
(Check Serial Numbers) 
Model 470 & 485 w/air-cooled
voltage regulator 
Model 470 & 485 w/water-cooled
voltage regulator 
Model 120R/140R 
MCM 120R/140R & 3.0 Litre
without fuse 
MCM 120R/140R & 3.0 Litre
with fuse 
MCM 4701488 
MCM 470R/488R w/o fuse 
MCM 470R/488R with fuse 
MCM 898R/228R/260R/230
also 5.0 & 5.7 Litre 
MCM 200 and 898R with fuse 
MCM 165/170MR/180/190MR 
MCM 185/185R V6 
MCM 20 5 V6 
MCM 230/228R/260R, also
5.0 & 5.7 Litre with fuse 
MCM 320 with EFI 
MCM 330 Sc 7.4 Litre w/o fuse 
MCM 330 & 7.4 Litre with fuse 
DDIS (DIGITAL DISTRIBUTORLESS
IGNITION SYSTEM 
Power Trim circuit
double solenoid 
Power Trim Circuit
w/one solenoid 
Power Trim w/late push button
w/two solenoids A-62
Presto lite Power Trim 
Oil Dyne Series IV
Since 1983 
Com mander side mount controls
w/power trim/tilt



This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.

Language: English 
Format: PDF - Indexed and Searchable

COMPATIBLE WITH ALL WINDOWS & MAC COMPUTERS 
(WINDOWS 11, WINDOWS 10, WINDOWS 8 ETC.) 
Windows/Mac/Tablet/Phone Friendly

We do not accept returns or cancel for change of mind. We only offer returns for items that are faulty or damaged.

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