Yamaha F15 User Manual

Operation
53
the boat could slow rapidly. This could
cause people and objects in the boat to
be thrown forward.
1. Place the remote control lever in neutral.
TIP:
The start-in-gear protection device prevents
the engine from starting except when in neu-
tral.
2. Attach the engine shut-off cord to a se-
cure place on your clothing, or your arm
or leg. Then install the clip on the other
end of the cord into the engine shut-off
switch.
3. Turn the main switch to “ ” (on).
4. Turn the main switch to “ ” (start),
and hold it for a maximum of 5 seconds.
5. Immediately after the engine starts, re-
lease the main switch and allow it to re-
turn to “ ” (on). NOTICE: Never turn
the main switch to “ ” (start)
while the engine is running. Do not
keep the starter motor turning for
more than 5 seconds. If the starter
motor is turned continuously for
more than 5 seconds, the battery will
be quickly discharged, thus making it
impossible to start the engine. The
starter can also be damaged. If the
engine will not start after 5 seconds
of cranking, return the main switch to
“ ” (on), wait 10 seconds, then
crank the engine again.
[ECM00193]
TIP:
 When the engine is cold, it needs to be
warmed up. For further information, see
page 54.
 If the engine is warm and fails to start,
open the throttle slightly and try to start the
engine again. If the engine still fails to
start, see page 88.
EMU36511
Checks after starting engine
EMU36524
Cooling water
Check for a steady flow of water from the
cooling water pilot hole. A continuous flow of
water from the pilot hole indicates that the
N
ZMU01771
ZMU01772
ON
START
ZMU01774
6AG-9-3D-1E0.book 53 ページ ２０１５年１１月５日 木曜日 午前１１時７分

Yamaha F15 Specifications

General

Prop Shaft Horsepower	15 hp at 5500 rpm
Full Throttle RPM Range	5000 - 6000 rpm
Fuel Induction System	Carburetor
Lubrication System	Wet Sump
Gear Ratio	2.08:1
Starting System	Electric
Recommended Fuel	Regular Unleaded Gasoline (minimum pump octane number 87)
Steering	Tiller
Dry Weight	45 kg (99 lbs)
Shaft Length	15"

Summary

Safety Information

Outboard Motor Safety

Covers hazards specific to the outboard motor itself (propeller, hot parts, electrical).

General Boating Safety

Instruments and Indicators

Low Oil Pressure Alert Indicator

Overheat Alert Indicator

Engine Control System

Alert System Functionality

Installation

Mounting the Outboard Motor

Step-by-step guide for attaching the motor to the boat's transom.

Mounting Height Considerations

Securing the Outboard Motor

Instructions for clamping the motor and using restraint cables for safety.

Operation

First-Time Operation and Break-in

Initial procedures and engine break-in period for new motors.

Pre-Operation Checks

Engine Oil and Safety Cord Checks

Power Tilt, Battery, and Fueling

Operating the Engine

Covers starting procedures and initial engine running.

Starting Engine Procedures

Details on starting the engine using manual or electric start methods.

Starting Warm Engine

Electric Start and Remote Control Starting

Engine Warm-up and Shifting

Stopping the Boat and Engine

Procedures for safely stopping the boat and shutting down the engine.

Trimming the Outboard Motor

Explains how to adjust the motor's trim angle for optimal performance.

Adjusting Trim Angle

Guides for adjusting trim angle on manual and power tilt models.

Tilting the Outboard Motor

Tilting Up Procedures

Tilting Down Procedures and Shallow Water Operation

Shallow Water Cruising

Adjusting Boat Trim Attitude

Maintenance

Transporting and Storing Outboard Motor

Dismounting the Outboard Motor

Storing the Outboard Motor

Periodic Maintenance Schedule

Outlines necessary maintenance tasks and their intervals.

Maintenance Chart 1

Table outlining initial and periodic maintenance tasks for various components.

Maintenance Chart 2

Spark Plug Cleaning and Adjustment

Changing Engine Oil

Detailed instructions for draining and refilling engine oil.

Battery Checks and Connection

Checking the Propeller

Propeller Removal and Installation

Detailed instructions for removing and installing the propeller.

Changing Gear Oil

Step-by-step guide for changing the gear oil.

Battery Maintenance and Connection

Trouble Recovery

Troubleshooting Guide

General overview and common issues with solutions.

Starting and Idling Problems

Addresses issues with starter operation and engine idling or stalling.

Fuel System and Ignition Issues

Power Loss and Fuse Replacement

Addresses engine power loss issues and how to replace a blown fuse.

Emergency Procedures and Tilt/Starter Issues

Covers emergency actions, impact damage, and troubleshooting power tilt or starter failures.

Manual Starter Emergency Start

Step-by-step guide for starting the engine manually in an emergency.

Electric Starter Emergency Start

Instructions for starting the engine using an emergency rope with electric start.

Treatment of Submerged Motor

What to do if the outboard motor becomes submerged.

Consumer Information

Three-Year Limited Warranty

Details the warranty coverage, terms, and conditions.

Warranty Exclusions and Emission Control