Mercury 30 hp, 40 hp outboard motor service manual

Table of Contents:

Section 1A: Specifications

• Specifications
• Mercury/Quicksilver Lubricants and Sealants
• Propeller Information Charts
• Torque Chart

Section 1B: General Information

• General Description
• Engine Serial Number Location
• Model Identification
• Fuel and Oil Recommendations
• Maintenance Schedules

Section 2: Ignition System

• Spark Plug
• Ignition Timing
• Ignition Coil Resistance
• Starter Motor
• Capacitor Discharge Ignition (CDI)

Section 3: Fuel System

• Fuel Pump Type
• Fuel Injection System
• Fuel Pressure
• Carburetor

Section 4: Cooling System

• Water Pump
• Thermostat
• Cooling System Maintenance

Section 5: Power Unit

• Cylinder Block
• Cylinder Bore
• Piston and Rings
• Connecting Rod
• Crankshaft

Section 6: Lubrication System

• Oil Pump
• Oil Filter
• Oil Capacity and Specifications

Section 7: Electrical System

• Battery Specifications
• Charging System
• Alternator Output

Section 8: Starting System

• Starter Motor Specifications
• Starter Solenoid
• Starting System Troubleshooting

Section 9: Gear Housing

• Gear Ratio
• Gear Housing Assembly
• Propeller Shaft

Section 10: Trim and Tilt System

• Hydraulic System
• Trim and Tilt Motor
• Trim and Tilt Troubleshooting

Section 11: Maintenance

• Periodic Maintenance Schedule
• Maintenance Procedures
• Service Intervals

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