Yamaha Fz6 N Service Manual

ELECTRIC STARTING SYSTEM
8-8
EAS27190
TROUBLESHOOTING
The starter motor fails to turn.
NOTE:
 Before troubleshooting, remove the following part(s):
1.Seat
2.Front cowling inner panel
3.Fuel tank
4.Left side coverNG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
1. Check the fuses.
(Main and ignition)
Refer to CHECKING THE 
FUSES on page 8-113. Replace the fuse(s).
2. Check the battery. Refer to CHECKING AND 
CHARGING THE BATTERY on 
page 8-114.  Clean the battery terminals.
 Recharge or...

ELECTRIC STARTING SYSTEM
8-9
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
8. Check the neutral switch.
Refer to CHECKING THE 
SWITCHES on page 8-109. Replace the neutral switch.
9. Check the sidestand switch. Refer to CHECKING THE 
SWITCHES on page 8-109. Replace the sidestand switch.
10. Check the clutch switch. Refer to CHECKING THE 
SWITCHES on page 8-109. Replace the clutch switch.
11. Check the start switch. Refer to CHECKING THE 
SWITCHES on page 8-109. Replace the right handlebar switch.
12....

ELECTRIC STARTING SYSTEM
8-10 

CHARGING SYSTEM
8-11
EAS27200
CHARGING SYSTEM
EAS27210
CIRCUIT DIAGRAM
P
B
B
7
BB
10
RR/W
L/W
9
R85
R
L/W
R
R/W
R
R
2
W
W
W WW
W
4
R
WW
WW
WW
R
Br/L
R/G
BB
Br/L
Br/RB
R/W
3
R
Br/L
Y/LG/L R/W
R
B
W
W
W
B
Y/L
Y/LLg
R/W
Br/R
Br/R
ON
OFF1
G/L
R/G 

CHARGING SYSTEM
8-12
2. AC magneto
3. Rectifier/regulator
7. Main fuse
10.Battery 

CHARGING SYSTEM
8-13
EAS27230
TROUBLESHOOTING
The battery is not being charged.
NOTE:
 Before troubleshooting, remove the following part(s):
1.Seat
2.Front cowling inner panel
3.Fuel tankNG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
1. Check the fuse.
(Main)
Refer to CHECKING THE 
FUSES on page 8-113. Replace the fuse.
2. Check the battery. Refer to CHECKING AND 
CHARGING THE BATTERY on 
page 8-114.  Clean the battery terminals.
 Recharge or replace the battery.
3. Check the stator coil. Refer to...

CHARGING SYSTEM
8-14 

LIGHTING SYSTEM
8-15
EAS27240
LIGHTING SYSTEM
EAS27250
CIRCUIT DIAGRAM
ChB
P
G/L Y/L R/GLgB/W
G/L
Y/L
R/GLgB/W
R/B
R/LG/BR/LG/BR/LG/B
R/B R/L
G/B
R/B23R/L
R/L
R/LR/BR/L24
25
26
27
R/WBr/RR/W
Br/R
15L
Y
B/L
D
G/W
G/WD
Br/W Br/W D
P/W P/W D
B/L B/L
B/LBr/W
LB/LP/W
16
2021
B/LG/WB/L B/L
L
A
B/W A
Y/L D
YY
C
LL C
R/L
C G/B
C
R/B
B/L
22
R/L
B/L
G/WBr/WYP/WB/L
G/WBr/WYP/WB/L
18
L
L
P/W
P/W
R/B
R/L
G/B
L
B/Y
B/LY/GL
B/R
Y/B
B/L
W/Y
W/Y B/L
B/L
L G/Y
R/B R/L
G/B L
B/L
W/Y
L
B/L
29
30 31
31
Y/L
19Gy
B
Gy B/L
28...

LIGHTING SYSTEM
8-16
1. Main switch
7. Main fuse
10.Battery
22.ECU (engine control unit)
38.High beam indicator light
51.Headlight fuse
53.Tail fuse
56.License plate light
57.Tail/brake light
60.Pass switch
61.Dimmer switch
66.Headlight relay
67.Auxiliary light
68.Headlight (high beam)
69.Headlight (low beam) 

LIGHTING SYSTEM
8-17
EAS27260
TROUBLESHOOTING
Any of the following fail to light: headlight, high beam indicator light, taillight, license light or meter 
light.
NOTE:
 Before troubleshooting, remove the following part(s):
1.Seat
2.Front cowling inner panel
3.Fuel tank
4.Side cover
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
1. Check the each bulbs and bulb 
sockets condition.
Refer to CHECKING THE BULBS 
AND BULB SOCKETS on page 
8-112. Replace the bulb(s) and bulb 
socket(s).
2....