Read this manual carefully before operating thisoutboard motor.OWNER’S MANUALF2.5A69M-F8199-78-E0

Yamaha F2.5A Owner's Manual

F25A

Outboard motor serial number

EMISSION CONTROL INFORMATION

important labels

basic boating rules

GENERAL INFORMATION

fueling instructions

gasoline (petrol)

engine oil

battery requirement

propeller selection

start-in-gear protection

MAIN COMPONENTS

OPERATION

Gear shift lever

Remote control

Steering friction adjusting lever

Trim tab

Trim angle adjusting rod

Warning indicator(s)

Tilt support knob

Flushing device

Overheat warning

Low oil pressure warning

clamping the outboard motor

pre-operation checks

filling fuel

starting engine

warming up engine

stopping engine

trimming outboard motor

adjusting trim angle

tilting up/down

cruising in shallow water

cruising in other conditions

MAINTENANCE

specification data

storing outboard motor

periodic maintenance

maintenance chart

checking fuel system

inspecting fuel filter

adjusting idling speed

changing engine oil

checking timing belt

replacing fuse

checking power trim and tilt system

checking propeller

changing gear oil

cleaning fuel tank

inspecting and replacing anode(s)

checking bolts and nuts

cleaning cooling-water passages

motor exterior

TROUBLE RECOVERY

troubleshooting

temporary action in emergency

engine fails to operate

INDEX

SAFETY INFORMATION

important information

General information

Specifications

safety while working

applicable model

features and benefits

blowby gas reburning system

oil check window

idle silencer

low vibration tiller handle

technical tips

automatic tilt support and steering pivot immobilization system

cooling water flow chart

checking the gear shift and throttle operation

test run

general specifications

maintenance specifications

tightening torques

Periodic checks and adjustments

special service tools

maintenance interval chart

fuel system

changing the engine oil

checking the spark plug

control system

checking the ignition timing

lower unit

checking the lower unit for air leakage

Power unit

power unit

disassembling the manual starter

removing the power unit

cylinder head

checking the push rod guide

checking the cylinder head

installing the valves

cylinder block

checking the cylinder bore

checking the piston pin

checking the camshaft

assembling the cylinder block

assembling the piston and cylinder block

Lower unit

removing the lower unit

propeller shaft housing

checking the propeller shaft

drive shaft and lower case

installing the drive shaft

installing the lower unit

Bracket unit

tiller handle

Electrical systems

Troubleshooting

Symbols

how to use this manual

IDENTIFICATION

SERIAL NUMBER

SAFETY WHILE WORKING

GOOD WORKING PRACTICES

DISASSEMBLY AND ASSEMBLY

SPECIAL TOOLS

outillage special

REMOVAL AND INSTALLATION

PROTECTION

periodic service

MESSEN

fuel pump

AUSBAU UND EINBAU

recoil starter

control unit

water pump

steering handle

bottom cowling

EXTRACCION E INSTALACION

electrical components

wiring diagram

wire harness

electrical analysis

ignition system

ignition control system

starting system

charging system

important manual information

Safety information

Modifications

Weather

C-Tick label

Read manuals and labels

Warning labels

Specifications and requirements

Installation requirements

Engine oil requirements

Fuel requirements

Emergency equipment

Components

Fuel tank (built-in fuel tank)

Fuel tank (portable fuel tank F4B, F5A, F6C)

Fuel cock

Tiller handle

Throttle grip

Throttle friction adjuster

Engine stop button

Fuel joint cap (F4B, F5A, F6C)

Trim rod (tilt pin)

Tilt support bar (F4B, F5A, F6C)

Carrying handle

Installation

Clamping the outboard motor

Operation

Remove the top cowling

Engine shut-off cord (lanyard)

Engine

Filling fuel

Operating engine

Starting engine

Checks after starting engine

Checks after engine warm up

Stopping boat (F2.5A)

Stopping boat (F4B, F5A, F6C)

Trimming outboard motor

Adjusting trim angle for manual tilt models

Adjusting boat trim

Tilting up and down

Procedure for tilting down

Shallow water (F4B, F5A, F6C)

Cruising in other conditions

Maintenance

Storing outboard motor

Procedure

Lubrication

Replacement parts

Maintenance chart 1

Maintenance chart 2

Cleaning and adjusting spark plug

Checking fuel filter (F2.5A)

Checking connector and lead

Installing propeller

Trouble Recovery