Table of Contents
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Table of Contents
Related Manuals for Yamaha 15B
Summarization of Contents
General Information
Outboard Motor Identification Numbers
Recording outboard motor serial numbers for identification and reference.
Emission Control Information
Details on North American models conforming to EPA regulations for marine SI engines.
General Safety Information
General safety precautions and guidelines for operating the outboard motor and boat.
Important Warning Labels
Explains various warning labels affixed to the outboard motor.
Basic Boating Rules and Navigation
Outlines essential rules for safe navigation and interaction with other vessels on the water.
Fueling Instructions and Safety
Procedures and safety precautions for refueling the outboard motor.
Fuel and Oil Specifications
Recommendations for gasoline type, octane rating, and engine oil.
Propeller Selection Guide
Guidance on choosing the correct propeller for optimal performance and to prevent motor damage.
Start-in-Gear Protection System
Explains the safety feature that prevents the engine from starting in gear.
Basic Components
Outboard Motor Main Components
Identifies and illustrates the primary external and internal components of the outboard motor.
Controls and Functions Operation
Describes the functions and operation of various controls like fuel tank, gear shift, throttle, and starter.
Operation
Outboard Motor Installation
Guidance on correctly installing the outboard motor onto the boat's transom, including mounting height and clamping.
Fuel and Oil Filling Procedures
Procedures and safety precautions for filling the fuel tank and engine oil, including mixing ratios.
Pre-Operation Checks
Essential checks to perform before starting the outboard motor for safe operation.
Engine Break-in (Running-in)
Instructions for the engine break-in period to ensure proper performance and longevity.
Starting the Engine Procedure
Step-by-step guide for starting the outboard motor, including safety warnings.
Warming Up the Engine
Procedure for warming up the engine to optimal operating temperature before use.
Shifting Gears (Forward/Reverse)
Instructions on how to safely and correctly shift gears (Forward, Reverse).
Stopping the Engine Procedure
Procedures for safely stopping the outboard motor.
Trimming the Outboard Motor
How to adjust the outboard motor's trim angle for optimal boat performance and efficiency.
Cruising in Shallow Water Operation
Guidance on operating the outboard motor in shallow water conditions using tilt-lock.
Tilting the Outboard Motor Up/Down
Instructions for tilting the outboard motor up or down for storage or shallow water operation.
Cruising in Salt and Turbid Water
Advice for operating in salt water and turbid water conditions.
Maintenance
Outboard Motor Specification Data
Detailed technical specifications for the outboard motor, including dimensions, performance, and capacities.
Transporting and Storing the Outboard Motor
Guidelines for safely transporting, trailering, and storing the outboard motor.
Periodic Maintenance Schedule
Overview of scheduled maintenance tasks, intervals, and who performs them.
Spark Plug Cleaning and Adjustment
Procedure for cleaning, inspecting, and adjusting spark plugs for optimal engine performance.
Fuel System Inspection
Steps to inspect the fuel system for leaks, cracks, or malfunctions in lines and filters.
Inspecting the Fuel Filter
Instructions for inspecting, cleaning, and replacing the fuel filter.
Adjusting Engine Idling Speed
Guide on how to adjust the engine's idling speed for smooth operation.
Wiring and Connector Checks
Procedures for checking electrical wiring and connectors for secure connections.
Exhaust Leakage Check
How to check for exhaust leaks from engine components.
Water Leakage Check
How to check for water leaks from engine components.
Greasing Points
Locations and procedure for greasing various parts of the outboard motor.
Propeller Inspection and Maintenance
Guidelines for checking, removing, and installing the propeller.
Changing Gear Oil
Step-by-step instructions for draining and refilling the gear oil in the lower unit.
Fuel Tank and Filter Cleaning
Procedures for safely cleaning the fuel tank and its filter.
Anode Inspection and Replacement
How to inspect and replace the sacrificial anode to prevent corrosion.
Checking Bolts and Nuts
Ensuring all critical bolts and nuts are tightened to specified torques.
Motor Exterior Maintenance
How to clean and maintain the exterior of the outboard motor, including paint.
Boat Bottom Coating
Advice on cleaning and coating the boat bottom for performance.
Trouble Recovery
Troubleshooting Engine Problems
A chart listing common engine problems, their possible causes, and recommended remedies.
Emergency Actions and Procedures
Procedures for handling emergencies like impact damage or starter failure.
Emergency Starter Rope Operation
Steps to start the engine using an emergency starter rope if the main starter fails.
Submerged Motor Treatment Procedure
Procedures for treating an outboard motor that has been submerged in water to minimize damage.
Warranty Information
Yamaha Warranty Information U.S.A. & Canada
Important information regarding warranty coverage for new Yamaha outboard motors in the USA and Canada.
Warranty for Use Outside U.S.A./Canada
Information on obtaining warranty service for models used outside the U.S.A. or Canada.
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