Yamaha FZ1-N Service Manual page 350

1 Check the fuel sender.
Refer to "CHECKING THE FUEL
SENDER" on page 8-107.
OK↓
2 Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK↓
This circuit is OK.
The speedometer fails to operate.
1 Check the speed sensor.
Refer to "CHECKING THE SPEED
SENSOR" on page 8-107.
OK↓
2 Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK↓
Replace the meter assembly.
NG→
Replace the fuel pump assembly.
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the speed sensor.
NG→
Properly connect or repair the signal-
ing system's wiring.
8-26
SIGNALING SYSTEM