Yamaha YZF-R125 Owners Manual: Instrument and control functions
- Main switch/steering lock
- Indicator and warning lights
- Tachometer
- Multi-function display
- Handlebar switches
- Clutch lever
- Shift pedal
- Brake lever
- Brake pedal
- Fuel tank cap
- Fuel
- Catalytic converters
- Rider seat
- Sidestand
- Ignition circuit cut-off system
Controls and instruments
Controls and instruments
1. Clutch lever
Left handlebar switches
Multi-function display
Main switch/steering lock
Tachometer
Right handlebar switches
Throttle grip
Brake lever
...
Main switch/steering lock
Main switch/steering lock
The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
ON
All ele ...
Other materials:
Checking the diode
1. Check:
Diode
Out of specification Replace.
NOTE:
The pocket tester or the analog pocket tester
readings are shown in the following table.
a. Disconnect the diode from the wire harness.
b. Connect the pocket tester ( × 1)
to the diode
terminals as shown.
c. Check the diod ...
Outline of the fi system
The main function of a fuel supply system is to provide fuel to the
combustion chamber at the optimum
air-fuel ratio in accordance with the engine operating conditions and the
atmospheric temperature. In
the conventional carburetor system, the air-fuel ratio of the mixture that is
supplied t ...
Troubleshooting
Any of the following fail to light: turn signal lights, brake light or
indicator lights.
The horn fails to sound.
The fuel gauge fails to operate.
The speedometer fails to operate.
NOTE:
Before troubleshooting, remove the following part(s):
1. Seats
2. Fuel tank
3. Left upper ...