engine YAMAHA WR 400F 2002 Owners Manual

YAMAHA WR 400F 2002 Owners Manual WR 400F 2002 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52438/w960_52438-0.png YAMAHA WR 400F 2002 Owners Manual

Page 8 of 776

YAMAHA WR 400F 2002  Owners Manual  
5. GASOLINE IS HIGHLY FLAMMABLE.
Always turn off the engine while refu-
eling. Take care to not spill any gaso-
line on the engine or exhaust system.
Never refuel in the vicinity of an open
flame, o

Page 12 of 776

YAMAHA WR 400F 2002  Owners Manual  
EC080000 
HOW TO USE
THIS MANUAL 
EC081000 
PARTICULARLY IMPORTANT 
INFORMATION 
The Safety Alert Symbol means ATTENTION!
BECOME ALERT! YOUR SAFETY IS
INVOLVED!
Failure to follow WARNING instruction

Page 16 of 776

YAMAHA WR 400F 2002  Owners Manual  
ILLUSTRATED SYMBOLS 
(Refer to the illustration) 
Illustrated symbols   
1  
 to   
7  
 are designed as
thumb tabs to indicate the chapter’s number
and content. 
1  
General information  
2  
Spe

Page 18 of 776

YAMAHA WR 400F 2002  Owners Manual  
EC090010 
INDEX 
GENERAL INFORMATION
SPECIFICATIONS
REGULAR INSPECTION AND ADJUSTMENTS
ENGINE
CHASSIS
ELECTRICAL
TUNING

Page 20 of 776

YAMAHA WR 400F 2002  Owners Manual  
EC0A0000 
CONTENTS
CHAPTER 1
GENERAL INFORMATION 
DESCRIPTION   
...........................................1-1  
MACHINE IDENTIFICATION   
.....................1-2  
IMPORTANT INFORMATION   
......

Page 22 of 776

YAMAHA WR 400F 2002  Owners Manual  
CHAPTER 4
ENGINE 
SEAT, FUEL TANK 
AND SIDE COVERS   
..................................4-1  
EXHAUST PIPE AND SILENCER   
.............4-2  
RADIATOR   
............................................

Page 24 of 776

YAMAHA WR 400F 2002  Owners Manual  
CHAPTER 6
ELECTRICAL 
ELECTRICAL COMPONENTS 
AND WIRING DIAGRAM  
...........................6-1  
MAP-CONTROLLED CDI UNIT  
.................6-2  
IGNITION SYSTEM  
................................

Page 26 of 776

YAMAHA WR 400F 2002  Owners Manual  
1 - 1
GEN
INFO
 
DESCRIPTION 
EC100000 
GENERAL INFORMATION 
EC110000 
DESCRIPTION 
1  
Clutch lever  
2  
Decompression lever  
3 
“ENGINE STOP” button  
4 
Trip meter 
5 
Lights switch 
6 
Fro

Page 27 of 776

YAMAHA WR 400F 2002  Owners Manual GEN
INFO
 
DESCRIPTION  
FAHRZEUGBESCHREIBUNG  
DESCRIPCIÓN 
ALLGEMEINE 
ANGABEN 
FAHRZEUGBESCHREI-
BUNG 
1  
Kupplungshebel  
2  
Dekompressionshebel  
3  
Motorstoppschalter “ENGINE 
STOP”  
4

Page 28 of 776

YAMAHA WR 400F 2002  Owners Manual  
1 - 2
GEN
INFO
 
MACHINE IDENTIFICATION 
EC120001 
MACHINE IDENTIFICATION 
There are two significant reasons for knowing
the serial number of your machine:
1. When ordering parts, you can give the
n
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