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Manuals
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Mercury Manuals
Outboard Motor
30 HP
Operation, maintenance and installation manual
Mercury 30 HP Operation, Maintenance And Installation Manual
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User manual
(81 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
General Information
Boater's Responsibilities
Outboard Remote Control Models
Exhaust Emissions
Lanyard Stop Switch
Protecting People in the Water
Passenger Safety Message - Pontoon Boats and Deck Boats
Wave and Wake Jumping
High-Speed and High-Performance Boat Operation
Impact with Underwater Hazards
Safety Instructions for Hand-Tilled Outboards
Safe Boating Recommendations
Conditions Affecting Performance
Recording Serial Number
Model Year Production Code
Component Identification
Specifications
Installation
Installation Information
Installing the Outboard
Remote Control Connections
Steering Control Connections
Battery Cable Connections
Installing the Propeller
Transporting
Aquatic Invasive Species (AIS)
Trailering Boat/Outboard
Carrying, Storing, and Transporting the Outboard When Removed from Boat
Fuel and Oil
Low Permeation Fuel Hose Requirement
Fuel Demand Valve (FDV) Requirement
EPA Pressurized Portable Fuel Tank Requirements
Mercury Marine's Pressurized Portable Fuel Tank
Filling Fuel Tank
Fuel Requirements
Engine Oil Recommendations
Features and Controls
Tiller Handle Features
Remote Control Features
Tiller Handle Models with Manual Gas Assist Tilt
Tiller Handle Models with Manual Tilt
Power Trim and Tilt (if Equipped)
Warning System
Trim Tab Adjustment
Operation
Engine Break-In Procedure
Prestarting Check List
Prestarting Instructions
Starting the Engine - Remote Control Models
Starting the Engine - Tiller Handle Models
Gear Shifting
Stopping the Engine
Emergency Starting Procedure
Operating in Freezing Temperatures
Operating in Saltwater or Polluted Water
Cleaning Care
EPA Emissions Regulations
Inspection and Maintenance Schedule
Maintenance Schedule Decal Icons
Maintenance Schedule Decal
Top Cowl Removal and Installation
Cooling System
Corrosion Control Anode
Engine Oil
Fuel System
Gearcase Lubrication
Lubrication Points
Propeller Replacement
Spark Plug Inspection and Replacement
Storage
Storage Preparation
Protecting External Outboard Components
Protecting Internal Engine Components
Gearcase
Positioning Outboard for Storage
Battery Storage
Troubleshooting
Fuse Replacement
Starter Motor will Not Crank the Engine (Electric Start Models)
Engine will Not Start
Engine Runs Erratically
Performance Loss
Battery will Not Hold Charge
Submerged Outboard
Owner Service Assistance
Service Assistance
Ordering Literature
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Summarization of Contents
General Information
Boater's Responsibilities
Outlines operator duties for safe boat and passenger operation.
Lanyard Stop Switch
Explains the function and importance of the engine kill switch for safety.
Safe Boating Recommendations
Provides essential advice for safe navigation and operation on the water.
Component Identification
Identifies key parts of the outboard motor for reference.
Specifications
Details technical specifications such as power rating, weight, and dimensions.
Installation
Installation Information
Covers essential guidelines for installing the outboard motor and accessories.
Installing the Outboard
Step-by-step instructions for mounting the outboard onto the boat transom.
Remote Control Connections
Details on connecting remote wiring harness and throttle/shift cables.
Steering Control Connections
Procedures for installing steering brackets and cables for proper boat steering.
Installing the Propeller
Instructions for the safe removal and installation of boat propellers.
Transporting
Trailering Boat/Outboard
Guidance on properly trailering the boat with the outboard attached.
Carrying, Storing, and Transporting the Outboard when Removed from Boat
Procedures for safe handling and transport of the outboard when detached from the boat.
Fuel and Oil
Fuel System Requirements
Details on fuel hose, tank, and system requirements for safe operation.
Filling Fuel Tank
Safety precautions and steps for filling the fuel tank correctly.
Engine Oil Recommendations
Specifies the correct types of engine oil for optimal performance and engine life.
Features and Controls
Tiller Handle Features
Explains the functions of the tiller handle, shift lever, and throttle grip.
Remote Control Features
Describes the functions of trim switch, ignition, throttle, and lanyard stop switch on remote controls.
Power Trim and Tilt (if Equipped)
Instructions on adjusting outboard position using power trim and tilt systems.
Warning System
Details on warning horn signals and their meanings for engine status.
Operation
Engine Break‑in Procedure
Critical steps for breaking in the engine to ensure longevity and performance.
Prestarting Procedures
Essential checks and instructions to perform before starting the engine.
Starting the Engine - Remote Control Models
Step-by-step guide for starting the engine using remote controls.
Gear Shifting
Proper procedure for shifting gears to avoid engine and gearcase damage.
Emergency Starting Procedure
Instructions for starting the engine manually if the electric system fails.
Maintenance
Cleaning Care
Guidelines for cleaning the outboard's exterior, cowls, and powerhead.
Inspection and Maintenance Schedule
Outlines routine checks and maintenance tasks at specific intervals.
Engine Oil
Procedures for checking, adding, and changing engine oil.
Fuel System
Information on fuel line inspection, filter draining, and replacement.
Gearcase Lubrication
Steps for draining, checking, and refilling gearcase lubricant.
Spark Plug Inspection and Replacement
How to inspect, gap, and replace spark plugs for optimal engine performance.
Storage
Storage Preparation
Procedures for preparing the outboard for long-term storage to prevent damage.
Protecting Internal Engine Components
Steps to protect engine internals from corrosion during storage.
Troubleshooting
Fuse Replacement
How to identify and replace blown fuses to resolve electrical issues.
Engine Will Not Start
Common causes and solutions for the engine failing to start.
Performance Loss
Identifies potential reasons for reduced engine performance and how to address them.
Submerged Outboard
Immediate actions required if the outboard is submerged to minimize damage.
Owner Service Assistance
Service Assistance
Information on obtaining service from authorized dealers and Mercury Marine.
Resolving a Problem
Guidance on contacting Mercury Marine for assistance with product issues.
Ordering Literature
Information on how to order additional manuals and documentation.
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