Yamaha YZF-R125 Service Manual: Circuit diagram
4. Main fuse
5. Main switch
9. Battery
17.Engine stop switch
25.ECU (engine control unit)
30.Fuel pump
64.Ignition fuse
Fuel pump system
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Troubleshooting
If the fuel pump fails to operate.
NOTE:
Before troubleshooting, remove the following part(s):
1. Rider seat
2. Fuel tank
...
Other materials:
Tachometer
Tachometer
Tachometer
Tachometer red zone
The electric tachometer allows the rider
to monitor the engine speed and keep it
within the ideal power range.
When the key is turned to "ON", the tachometer
needle will sweep once
across the r/min range and then return
to zero r/min ...
Checking the bulbs and bulb sockets
NOTE:
Do not check any of the lights that use LEDs.
Check each bulb and bulb socket for damage or
wear, proper connections, and also for continuity
between the terminals.
Damage/wear Repair or replace
the bulb,
bulb socket or both.
Improperly connected Properly
connect.
No c ...
Important manual information
Particularly important information is distinguished in this manual by the
following notations:
This is the safety alert symbol. It is used to alert you to potential personal
injury
hazards. Obey all safety messages that follow this symbol to avoid possible
injury
or death.
WARNING
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