Yamaha YZF-R125 Service Manual: Lock washers/plates and cotter pins
After removal, replace all lock washers/plates "1" and cotter pins. After the bolt or nut has been tightened to specification, bend the lock tabs along a flat of the bolt or nut.
Gaskets, oil seals and o-rings
1. When overhauling the engine, replace all
gaskets, seals and O-rings. All gasket surfaces,
oil seal lips and O-rings must be cleaned.
2. During reassembly, properly oil all mating
parts and be ...
Bearings and oil seals
Install bearings "1" and oil seals "2" so that the
manufacturer's marks or numbers are visible.
When installing oil seals "1", lubricate the oil seal
lips with a light coat of lithium-soap-based
...
Other materials:
Checking the turn signal relay
1. Check:
Turn signal relay input voltage
Out of specification →The wiring circuit
from
the main switch to the turn signal relay coupler
is faulty and must be repaired.
a. Connect the pocket tester (DC 20 V) to the
turn signal relay terminal as shown.
- Positive tester probe
b ...
Battery
A poorly maintained battery will corrode
and discharge quickly. The electrolyte
level, battery lead connections and
breather hose routing should be
checked before each ride and at the intervals
specified in the periodic maintenance
and lubrication chart.
WARNING
Electrolyte is pois ...
Multi-function display
1. Multi-function display
2. "RESET/SELECT" button
The multi-function display is equipped with the
following:
a speedometer (which shows the riding speed)
an odometer (which shows the total distance
traveled)
two tripmeters (which show the distance traveled
since they were last ...