2000 YAMAHA WR 400F ignition

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Page 24 of 654

YAMAHA WR 400F 2000  Owners Manual  
CHAPTER 6
ELECTRICAL 
ELECTRICAL COMPONENTS AND 
WIRING DIAGRAM   
....................................6-1  
MAP-CONTROLLED CDI UNIT  
.................6-2  
IGNITION SYSTEM  
......................

Page 37 of 654

YAMAHA WR 400F 2000  Owners Manual 1 - 7
GEN
INFO
SPECIAL TOOLS
YM-33975, 90890-01403 Ring nut wrench
This tool is used when tighten the steering ring nut to 
specification.YM-33975 90890-01403
YM-1423, 90890-01423 Damper rod holder
Us

Page 38 of 654

YAMAHA WR 400F 2000  Owners Manual 1 - 8
GEN
INFO
SPECIAL TOOLS
YM-4117, 90890-04117
YM-4098, 90890-04098Valve guide installer
Intake
Exhaust
This tool is needed to install the valve guide.YM-4117
YM-409890890-04117
90890-04098
YM-4118

Page 74 of 654

YAMAHA WR 400F 2000  Owners Manual  
2 - 3
SPEC
 
GENERAL SPECIFICATIONS 
Tire:
Type With tube
Size (front) 80/100-21 51M (USA, CDN, ZA)
90/90-21 54R (EUROPE, AUS, NZ)
Size (rear) 110/100-18 64M (USA, CDN, ZA)
120/90-18 65R (EUROPE, AU

Page 88 of 654

YAMAHA WR 400F 2000  Owners Manual 2 - 17
SPECMAINTENANCE SPECIFICATIONS
EC212300
ELECTRICAL
Item Standard Limit
Ignition system:
Advancer type Electrical ----
C.D.I.:
Magneto-model/manufacturer F5BF/YAMAHA ----
Source coil 1 resistanc

Page 150 of 654

YAMAHA WR 400F 2000  Owners Manual 2 - 22
SPECCABLE ROUTING DIAGRAM
ïFasten the TPS lead under the
coupler to the frame with a
plastic locking tie.
ðPass the carburetor breather
hose and overflow hose
between the connecting rod
and c

Page 152 of 654

YAMAHA WR 400F 2000  Owners Manual 2 - 23
SPECCABLE ROUTING DIAGRAM
1Coolant reservoir tank 
breather hose
2Clamp
3Ignition coil
4High tension cord
5CDI unit
6CDI unit band
7Radiator (left)
8Radiator (right)
9Decompression cable
0CDI u

Page 168 of 654

YAMAHA WR 400F 2000  Owners Manual  
3 - 4
INSP
ADJ
 
PRE-OPERATION INSPECTION AND MAINTENANCE 
EC320000 
PRE-OPERATION INSPECTION AND MAINTENANCE 
Before riding for break-in operation, practice or a race, make sure the machine is in g
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