Yamaha Fz1n Service Manual

TROUBLESHOOTING
9-3
2. Engine oil Incorrect oil level
 Incorrect oil viscosity
 Inferior oil quality
Cooling system
1. Coolant  Low coolant level
2. Radiator  Damaged or leaking radiator
 Faulty radiator cap
 Bent or damaged radiator fin
3. Water pump  Damaged or faulty water pump
 Thermostat
 Thermostat stays closed
 Oil cooler
 Clogged or damaged oil cooler
 Hose(s) and pipe(s)
 Damaged hose
 Improperly connected hose
 Damaged pipe
 Improperly connected pipe
Fuel system
1. Throttle...

TROUBLESHOOTING
9-4
 Uneven tire pressures (front and rear)
 Incorrect tire pressure
 Uneven tire wear
7. Wheel(s)  Incorrect wheel balance
 Deformed cast wheel
 Damaged wheel bearing
 Bent or loose wheel axle
 Excessive wheel runout
8. Frame  Bent frame
 Damaged steering head pipe
 Improperly installed bearing race
EAS28710
FAULTY LIGHTING OR SIGNALING SYS-
TEM
Headlight does not come on
 Wrong headlight bulb
 Too many electrical accessories
 Hard charging
 Incorrect connection
...

EAS28740
WIRING DIAGRAM
FZ1-N (V) 2006
1. Main switch
2. Rectifier/regulator
3. A.C.magneto
4. Fuse (backup)
5. Immobilizer unit
6. Fuse (main)
7. Battery
8. Fuse (fuel injection)
9. Starter relay
10. Starter motor
11. Relay unit
12. Starting circuit cut-off relay
13. Fuel pump relay
14. Neutral switch
15. Sidestand switch
16. Fuel pump
17. Crankshaft position sensor
18. Cylinder identification sensor
19. Speed sensor
20. Atmospheric pressure sensor
21. Lean angle sensor
22. O2 sensor
23. E.C.U.
24....

FZ1-S (V) 2006
1. Main switch
2. Rectifier/regulator
3. A.C.magneto
4. Fuse (backup)
5. Immobilizer unit
6. Fuse (main)
7. Battery
8. Fuse (fuel injection)
9. Starter relay
10. Starter motor
11. Relay unit
12. Starting circuit cut-off relay
13. Fuel pump relay
14. Neutral switch
15. Sidestand switch
16. Fuel pump
17. Crankshaft position sensor
18. Cylinder identification sensor
19. Speed sensor
20. Atmospheric pressure sensor
21. Lean angle sensor
22. O2 sensor
23. E.C.U.
24. Ignition coil #1
25....

YAMAHA MOTOR CO., LTD.
2500 SHINGAI IWATA SHIZUOKA JAPAN 

FZ1-N (V) 2006
WIRING DIAGRAM
FZ1-N (V) 2006
SCHEMA DE CABLAGEFZ1-N (V) 2006
SCHALTPLANFZ1-N (V) 2006
SCHEMA ELETTRICODIAGRAMA DE CONEXIONES
DE FZ1-N (V) 2006 

FZ1-S (V) 2006
WIRING DIAGRAM
FZ1-S (V) 2006
SCHEMA DE CABLAGEFZ1-S (V) 2006
SCHALTPLANFZ1-S (V) 2006
SCHEMA ELETTRICODIAGRAMA DE CONEXIONES
DE FZ1-S (V) 2006 

DgB
Dg
B A
B
C
OFF
RUN
FREE
PUSH
Dg Ch
ON
OFF
P
WIRE HARNESS SUB-WIRE HARNESS 2 WIRE HARNESS SUB-WIRE HARNESS 1
WIRE HARNESS
HEADLIGHT
SUB-WIRE HARNESS
OFF
ON
OFF
ON L
N
R OFF
ON
HI
LO
5
4
1
2
3
7576777879
80
8183
8482
74
56
57
856
7
89
10
52
53
54
55
73
72
707071
58
59
60
61
65
11
12
1366
67
68
69
64
62
63
51
38
14
16
39
4041424344
45464748495050
34353637
201918
1715
21
22262326242625262728293031
3233
FZ1-N (V) 2006
WIRING DIAGRAM
FZ1-N (V) 2006
SCHEMA DE CABLAGE FZ1-N (V) 2006
SCHALTPLANFZ1-N (V)...

BC
D
A
B
B Y
HI
LO
OFF
ON OFF
ON
ON
OFF P
R
NL
ON
OFF
WIRE HARNESS SUB-WIRE HARNESS 2
WIRE HARNESS
HEADLIGHT
SUB-WIRE HARNESS 2
WIRE HARNESS HEADLIGHT SUB-WIRE HARNESS 1
WIRE HARNESS SUB-WIRE HARNESS 1
B
OFF
RUN FREE
PUSH
B
B
B
5
4
1
2
3
7677787980
81
8284
8583
7475
56
57
866
7
89
10
52
53
54
55
73
72
70
70
71
71
58
59
60
61
65
11
12
1366
67
68
69
64
62
63
51
38
14
16
39
4041424344
45464748495050
34353637
201918
1715
21
22262326242625262728293031
3233
FZ1-S (V) 2006
WIRING DIAGRAM
FZ1-S (V) 2006
SCHEMA...

FZ1-N (V) 2006
WIRING DIAGRAM
FZ1-N (V) 2006
SCHEMA DE CABLAGEFZ1-N (V) 2006
SCHALTPLANFZ1-N (V) 2006
SCHEMA ELETTRICODIAGRAMA DE CONEXIONES
DE FZ1-N (V) 2006