Yamaha F20B User Manual

Operation
51
on page 47. Never tilt the outboard mo-
tor while the engine is running. Severe
damage from overheating can result.
●
Do not tilt up the engine by pushing the
tiller handle (if equipped) because this
could break the handle.
EMU32662
Procedure for tilting up (manual tilt
models)
1. Place the gear shift lever in neutral.
2. Disconnect the fuel line from the out-
board motor.
3. Place the tilt lock lever (if equipped) in
the release/up position.
4. Pull up the shallow water lever (if
equipped).
5. Hold the rear of the top cowling with one
hand and tilt the engine up fully.
6. Push the tilt support knob into the clamp
bracket. Or the tilt support bar will turn to
the lock position automatically. NO-
TICE: Do not use the tilt support lever
or knob when trailering the boat. The
outboard motor could shake loose
from the tilt support and fall. If the
motor cannot be trailered in the nor-
mal running position, use an addi-
tional support device to secure it in
the tilt position. For more detailed in-
formation, see page 57.
[ECM01641]
EMU32723
Procedure for tilting up (power tilt
models)
1. Place the remote control lever / gear
shift lever in neutral.
ZMU05533
N
ZMU05547
ZMU05548
ZMU05528

Yamaha F20B Specifications

General

Brand	Yamaha
Model	F20B
Category	Outboard Motor
Language	English

Summary

Safety Information

Outboard Motor Safety

Essential safety precautions for outboard motor operation.

Fuel and Environmental Safety

Precautions for gasoline, spills, and carbon monoxide.

Collision Avoidance and Weather

Preventing collisions and preparing for weather conditions.

Boating Regulations and Practices

Adhering to laws, training, and safety publications.

General Information

Identification and Labels

Recording serial numbers, key numbers, and understanding labels.

Manuals and Warning Labels

Importance of reading manuals and understanding warning labels.

Specifications and Requirements

Engine Specifications

Key technical details like dimensions, performance, and engine type.

Installation Requirements

Guidelines for installing the outboard motor.

Fuel and Lubrication

Recommended fuel, engine oil, and lubrication details.

Components

Component Overview and Diagrams

Visual identification of major outboard motor parts.

Engine Controls and Operation

How to operate throttle, shift, steering, and tiller controls.

Starting, Safety, and Tilt Systems

Engine stop, starting, tilt mechanisms, and safety cords.

Adjustments and Ancillary Systems

Steering friction, trim tab, flushing, and indicators.

Instruments and Indicators

Indicators

Explanation of low oil pressure and overheat alert indicators.

Engine Control System

Alert System

How overheat and low oil pressure alerts function.

Installation

Installation Overview

General information on outboard motor installation procedures.

Mounting and Clamping

Steps and precautions for securely mounting and clamping the motor.

Operation

First-Time Operation and Break-In

Initial setup, break-in procedures, and pre-start checks.

Engine Starting and Operation

Procedures for starting, warming up, and running the engine.

Shifting, Stopping, and Trimming

How to shift gears, stop the engine, and adjust trim angle.

Maintenance

Transporting and Storage

Safe procedures for transporting and storing the outboard motor.

Routine Checks and Servicing

Inspecting spark plugs, filters, and engine idle.

Fluid Maintenance

Procedures for changing engine oil and gear oil.

Component Inspection and Electrical

Checking propellers, anodes, batteries, and wiring.

Trouble Recovery

Troubleshooting Engine Issues

Solutions for common engine performance and starting problems.

Specific System Failures

Addressing power tilt, fuse, impact damage, and emergency starting.