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Yamaha F25 User Manual

Page 4

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Table of contents

General information .......................... 1

Identification numbers record .......... 1

Outboard motor serial number ........... 1

Emission control information ........... 1

North American models...................... 1
Star labels .......................................... 2

Safety information ........................... 3
Important labels............................... 4

Warning labels.................................... 4
Caution labels..................................... 5

Basic boating rules

(Rules of the road) ....................... 5

Steering and sailing rules and

sound signals .................................. 5

Rules when encountering vessels...... 6
Other special situations ...................... 7

Fueling instructions ......................... 9

Gasoline ............................................. 9
Engine oil............................................ 9

Propeller selection......................... 10

Basic components .......................... 11

Main components.......................... 11

Fuel tank........................................... 11
Fuel tank cap.................................... 12
Air vent screw................................... 12
Fuel cock .......................................... 12
Tiller handle...................................... 12
Gear shift lever ................................. 13
Throttle grip ...................................... 13
Throttle indicator............................... 13
Throttle friction adjuster.................... 13
Engine stop lanyard switch............... 14
Engine stop button ........................... 14
Choke knob for pull type................... 14
Manual starter handle....................... 14
Steering friction adjuster................... 15
Trim rod (tilt pin) ............................... 15
Tilt support lever for manual tilt

model ............................................ 15

Top cowling lock lever

(pull up type) ................................. 15

Carrying handle ................................ 16

Operation ......................................... 17

Installation..................................... 17

Mounting the outboard motor ........... 17
Clamping the outboard motor ........... 18

Breaking in engine ........................ 19

Procedure for 4-stroke models ......... 19

Preoperation checks ..................... 19

Fuel .................................................. 19
Controls ............................................ 19
Engine .............................................. 19
Checking the engine oil level............ 19

Filling fuel for built-in tank ............. 20

Ring Free Fuel Additive .................... 20

Operating engine .......................... 21

Feeding fuel...................................... 21
Starting engine ................................. 21

Warming up engine....................... 23

Manual start models ......................... 23

Shifting .......................................... 23

Forward (tiller handle and

remote control models) ................. 23

Reverse ............................................ 24

Stopping engine ............................ 25

Procedure ......................................... 25

Trimming outboard motor.............. 25

Adjusting trim angle for manual tilt

models .......................................... 26

Adjusting boat trim............................ 26

Tilting up and down....................... 27

Procedure for tilting up

(manual tilt models)....................... 28

Procedure for tilting down

(manual tilt models)....................... 29

Maintenance .................................... 30

Specifications................................ 30
Transporting and storing

outboard motor .......................... 31

Clamp screw mounting models ........ 31
Storing outboard motor..................... 32
Procedure ......................................... 32
Lubrication

(except oil injection models).......... 33

U69M15E0.book Page 1 Wednesday, April 5, 2006 4:48 PM