Yamaha YZF-R125 Owners Manual: Operation and important riding points
Read the Owner's Manual carefully to become familiar with all controls. If there is a control or function you do not understand, ask your Yamaha dealer.
WARNING
Failure to familiarize yourself with
the controls can lead to loss of control,
which could cause an accident
or injury.
TIP
This model is equipped with a lean angle
sensor to stop the engine in case of
a turnover. To start the engine after a
turnover, be sure to turn the main
switch to "OFF" and then to "ON". Failing
to do so will prevent the engine from
starting even though the engine will
crank when pushing the start switch.
For your safety - pre-operation checks
Inspect your vehicle each time you use it to make sure the vehicle is in safe
operating condition. Always follow the inspection
and maintenance procedures and schedules described in the Owner's Ma ...
Starting the engine
In order for the ignition circuit cut-off
system to enable starting, one of the
following conditions must be met:
The transmission is in the neutral
position.
The transmission is in gear ...
Other materials:
Checking the rocker arms and rocker arm shafts
The following procedure applies to all of the
rocker arms and rocker arm shafts.
1. Check:
Rocker arm
Damage/wear Replace.
2. Check:
Rocker arm shaft
Blue discoloration/excessive wear/pitting/
scratches Replace or
check the lubrication
system.
3. Measure:
Rocke ...
Circuit diagram
2. Crankshaft position sensor
4. Main fuse
5. Main switch
6. Radiator fan motor fuse
8. Sidestand switch
9. Battery
17.Engine stop switch
19.Intake air pressure sensor
20.Intake air temperature sensor
21.Throttle position sensor
22.Coolant temperature sensor
23.Lean angle sensor
24.S ...
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""
Turn signal indicator light""
This indicator light flashes when the
turn signal switch is pushed t ...