Yamaha YZF-R125 Owners Manual: 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 electrical circuits are supplied with power, the meter lighting, taillight, license plate light and auxiliary lights come on, and the engine can be started. The key cannot be removed.
TIP
The headlight comes on automatically when the engine is started and stays on until the key is turned to "OFF", even if the engine stalls.
OFF
All electrical systems are off. The key can be removed.
WARNING
Never turn the key to "OFF" or
"LOCK" while the vehicle is moving.
Otherwise the electrical systems will
be switched off, which may result in
loss of control or an accident.
LOCK
The steering is locked, and all electrical systems are off. The key can be removed.
To lock the steering
-
Push.
-
Turn.
- Turn the handlebars all the way to the left or right.
- Push the key in from the "OFF" position, and then turn it to "LOCK" while still pushing it.
- Remove the key.
To unlock the steering
-
Push.
-
Turn.
Push the key into the main switch, and then turn it to "OFF" while still pushing it.
Indicator and warning lights
Indicator and warning lights
Neutral indicator light""
Turn signal indicator light""
High beam indicator light""
Engine trouble warning light""
Coolant temperature warning light""
T ...
Other materials:
Checking the timing chain and timing chain guide
1. Check:
Timing chain
Damage/stiffness Replace the
timing
chain and camshaft sprocket as a set.
2. Check:
Timing chain guide (intake side)
Damage/wear Replace.
Checking the oil strainer
1. Check:
Oil strainer
Damage Replace.
Contaminants Clean with solvent.
...
Troubleshooting
The starter motor fails to turn.
NOTE:
Before troubleshooting, remove the following part(s):
1. Seats
2. Fuel tank
3. Left lower side cowling
4. Left upper side cowling
...
Checking the camshaft
1. Check:
Camshaft lobes
Blue discoloration/pitting/scratches
Replace
the camshaft.
2. Measure:
Camshaft lobe dimensions "a" and "b"
Out of specification Replace
the camshaft.
3. Check:
Camshaft oil passage
Obstruction Blow out with
compressed air. ...