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:
Installing the cylinder head
1. Install:
Cylinder head
NOTE:
Pass the timing chain through the timing chain
cavity.
2. Tighten:
Cylinder head bolts "1"
Cylinder head bolts "2"
NOTE:
Lubricate the cylinder head bolts and washers
with engine oil.
Tighten the cylinder head bolts in the proper
tighten ...
Checking the cylinder and piston
1. Check:
Piston wall
Cylinder wall
Vertical scratches Replace the
cylinder,
and replace the piston and piston rings as a
set.
2. Measure:
Piston-to-cylinder clearance
a. Measure cylinder bore "C" with the cylinder
bore gauge.
NOTE:
Measure cylinder bore "C" by takin ...
Troubleshooting
Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur during
operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting charts
repre ...