CHAPTER INDEX
1998 Mercury 25 BigFoot Fourstroke Service Manual 90-854785R2 OEM 98 White. Mercury Outboard 8,9.9 HP - 4 Stroke OEM Factory Shop Repair CD Manual. Mercury Mariner 4hp, 5hp, 6hp (4-Stroke) Outboards Service Repair Manual. Mercury Mariner 6hp, 8hp, 9.9hp, 10hp, 15hp Outboards Factory Service Repair Manual. Mercury Mariner 8hp, 9.9hp (4-Stroke) Outboards Factory Service Repair Manual. Mercury Mariner 9.9-15hp (4-Stroke) (323 cc), 9.9-15hp Bigfoot (4-Stroke) (323 cc) Outboards Factory.
GENERAL INFORMATION
PERIODIC MAINTENANCE
ENGINE CONTROL SYSTEM
ENGINE ELECTRICAL
FUEL SYSTEM
POWER UNIT
MID UNIT
POWER TRIM AND TILT
LOWER UNIT
WIRE / HOSE ROUTING
PERIODIC MAINTENANCE
ENGINE CONTROL SYSTEM
ENGINE ELECTRICAL
FUEL SYSTEM
POWER UNIT
MID UNIT
POWER TRIM AND TILT
LOWER UNIT
WIRE / HOSE ROUTING
GENERAL INFORMATION
CONTENTS
WARNING / CAUTION / NOTE
GENERAL PRECAUTIONS
IDENTIFICATION NUMBER LOCATION
FUEL AND OIL
GASOLINE RECOMMENDATION
ENGINE OIL
ENGINE BREAK-IN
PROPELLERS
POWERHEAD DIRECTION OF ROTATION
SPECIFICATIONS
SERVICE DATA
TIGHTENING TORQUE
SPECIAL TOOLS
MATERIALS REQUIRED
GENERAL PRECAUTIONS
IDENTIFICATION NUMBER LOCATION
FUEL AND OIL
GASOLINE RECOMMENDATION
ENGINE OIL
ENGINE BREAK-IN
PROPELLERS
POWERHEAD DIRECTION OF ROTATION
SPECIFICATIONS
SERVICE DATA
TIGHTENING TORQUE
SPECIAL TOOLS
MATERIALS REQUIRED
PERIODIC MAINTENANCE
CONTENTS
PERIODIC MAINTENANCE SCHEDULE
PERIODIC MAINTENANCE CHART
MAINTENANCE AND TUNE-UP PROCEDURES
ENGINE OIL / ENGINE OIL FILTER
GEAR OIL
LUBRICATION
SPARK PLUG
TAPPET CLEARANCE
IDLE SPEED
IGNITION TIMING
BREATHER AND FUEL LINE
LOW PRESSURE FUEL FILTER
HIGH PRESSURE FUEL FILTER
WATER PUMP / WATER PUMP IMPELLER
PROPELLER / NUT / COTTER PIN
ANODES AND BONDING WIRES
BATTERY
BOLT AND NUTS
FUEL MIXTURE CHECK (O2 FEEDBACK)
OIL PRESSURE
CYLINDER COMPRESSION
PERIODIC MAINTENANCE CHART
MAINTENANCE AND TUNE-UP PROCEDURES
ENGINE OIL / ENGINE OIL FILTER
GEAR OIL
LUBRICATION
SPARK PLUG
TAPPET CLEARANCE
IDLE SPEED
IGNITION TIMING
BREATHER AND FUEL LINE
LOW PRESSURE FUEL FILTER
HIGH PRESSURE FUEL FILTER
WATER PUMP / WATER PUMP IMPELLER
PROPELLER / NUT / COTTER PIN
ANODES AND BONDING WIRES
BATTERY
BOLT AND NUTS
FUEL MIXTURE CHECK (O2 FEEDBACK)
OIL PRESSURE
CYLINDER COMPRESSION
ENGINE CONTROL SYSTEM
CONTENTS
ENGINE CONTROL SYSTEM STRUCTURE
SYSTEM STRUCTURE 1
SYSTEM STRUCTURE 2
WIRING DIAGRAM FOR ENGINE CONTROL
COMPONENTS FOR SYSTEM CONTROL
ENGINE CONTROL MODULE (ECM)
ECM CONNECTOR / TERMINALS LAYOUT
ECM INTERNAL STRUCTURE
SENSOR AND SWITCH
IGNITION SYSTEM
IGNITION CONTROL SYSTEM
ELECTRONIC FUEL INJECTION SYSTEM
FUEL INJECTION CONTROL SYSTEM
FUEL DELIVERY SYSTEM COMPONENTS
FUEL PUMP CONTROL SYSTEM
AIR INTAKE COMPONENTS
IDLE AIR CONTROL SYSTEM
CAUTION SYSTEM
OVER-REVOLUTION CAUTION SYSTEM
LOW OIL PRESSURE CAUTION SYSTEM
OVERHEAT CAUTION SYSTEM
LOW BATTERY VOLTAGE CAUTION SYSTEM
SELF-DIAGNOSTIC SYSTEM
PRIORITY / CODE / PATTERN FOR SELF-DIAGNOSTIC
SYSTEM OPERATION
CONDITION FOR SELF-DIAGNOSTIC SYSTEM OPERATION
FAIL-SAFE SYSTEM
PRE-PROGRAMMED VALUE FOR FAIL-SAFE SYSTEM
OPERATING HOUR INDICATION SYSTEM
OIL CHANGE REMINDER SYSTEM
START-IN-GEAR PROTECTION SYSTEM
O2 FEEDBACK SYSTEM INSPECTION
PRECAUTION ON SYSTEM INSPECTION
44-PIN TEST CORD
INSPECTION FOR ECM CIRCUIT VOLTAGE
INSPECTION FOR RESISTANCE
COMPONENT INSPECTIONS
TROUBLESHOOTING
REMOVAL / INSTALLATION
FLYWHEEL
CKP SENSOR / CMP SENSOR
OIL PRESSURE SWITCH
SYSTEM STRUCTURE 1
SYSTEM STRUCTURE 2
WIRING DIAGRAM FOR ENGINE CONTROL
COMPONENTS FOR SYSTEM CONTROL
ENGINE CONTROL MODULE (ECM)
ECM CONNECTOR / TERMINALS LAYOUT
ECM INTERNAL STRUCTURE
SENSOR AND SWITCH
IGNITION SYSTEM
IGNITION CONTROL SYSTEM
ELECTRONIC FUEL INJECTION SYSTEM
FUEL INJECTION CONTROL SYSTEM
FUEL DELIVERY SYSTEM COMPONENTS
FUEL PUMP CONTROL SYSTEM
AIR INTAKE COMPONENTS
IDLE AIR CONTROL SYSTEM
CAUTION SYSTEM
OVER-REVOLUTION CAUTION SYSTEM
LOW OIL PRESSURE CAUTION SYSTEM
OVERHEAT CAUTION SYSTEM
LOW BATTERY VOLTAGE CAUTION SYSTEM
SELF-DIAGNOSTIC SYSTEM
PRIORITY / CODE / PATTERN FOR SELF-DIAGNOSTIC
SYSTEM OPERATION
CONDITION FOR SELF-DIAGNOSTIC SYSTEM OPERATION
FAIL-SAFE SYSTEM
PRE-PROGRAMMED VALUE FOR FAIL-SAFE SYSTEM
OPERATING HOUR INDICATION SYSTEM
OIL CHANGE REMINDER SYSTEM
START-IN-GEAR PROTECTION SYSTEM
O2 FEEDBACK SYSTEM INSPECTION
PRECAUTION ON SYSTEM INSPECTION
44-PIN TEST CORD
INSPECTION FOR ECM CIRCUIT VOLTAGE
INSPECTION FOR RESISTANCE
COMPONENT INSPECTIONS
TROUBLESHOOTING
REMOVAL / INSTALLATION
FLYWHEEL
CKP SENSOR / CMP SENSOR
OIL PRESSURE SWITCH
ELECTRICAL
CONTENTS
BATTERY CHARGING SYSTEM OUTLINE
INSPECTION
REMOVAL / INSTALLATION
ELECTRIC STARTER SYSTEM
OUTLINE
TROUBLESHOOTING
INSPECTION
STARTER MOTOR
REMOVAL / INSTALLATION
DISASSEMBLY
INSPECTION & SERVICING
ASSEMBLY
PERFORMANCE TEST
MONITOR-TACHOMETER
INSPECTION
ERECTRIC PARTS HOLDER
REMOVAL / INSTALLATION
INSPECTION
REMOVAL / INSTALLATION
ELECTRIC STARTER SYSTEM
OUTLINE
TROUBLESHOOTING
INSPECTION
STARTER MOTOR
REMOVAL / INSTALLATION
DISASSEMBLY
INSPECTION & SERVICING
ASSEMBLY
PERFORMANCE TEST
MONITOR-TACHOMETER
INSPECTION
ERECTRIC PARTS HOLDER
REMOVAL / INSTALLATION
Select from the topics below for information on keeping your engine running smoothly
Hints and tips to make your day on the water more enjoyable.
Boating BasicsLearn how to maintain and care for your Mercury outboard engine.
Outboard CareLearn how to maintain and care for your MerCruiser sterndrive or inboard engine.
Sterndrive and Inboard CareTohatsu 9.9hp
Learn how to maintain and care for your Mercury diesel engine.
Diesel Engine CareLearn about genuine Mercury parts and accessories.
Parts & AccessoriesLearn how propellers can affect the performance of your boat.
PropellersLearn how to use Mercury Joystick Piloting.
Joystick Piloting
Learn about Mercury Marine's warranty coverage and Product Protection plans.
Warranty and Mercury Product ProtectionLearn how to maintain your Mercury Outboard or MerCruiser engine to prevent corrosion.
Corrosion ProtectionLearn how to maintain your engine's electrical system and battery.
ElectricalLearn how to maintain your boat's fuel and fuel systems.
Fuel & Fuel CareLearn about Mercury gauges or displays.
Gauges and DisplaysLearn the importance of oils and lubricants in basic engine maintenance.
Oils & LubricantsLearn how to take care of your engine during the off-season.
Yamaha 9.9hp Price
Storage and Winterization2016 Mercury 9 9hp Bigfoot Service Manual Free
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