Yamaha YZF-R125 Service Manual: Removing the primary drive gear and balancer gears
1. Loosen:
- Primary drive gear nut "1"
NOTE:
Place the aluminum plate "a" between the balancer drive gear "2" and the balancer driven gear "3", and then loosen the primary drive gear nut.
2. Straighten the lock washer tab.
3. Loosen:
- Balancer driven gear nut "1"
NOTE:
Place the aluminum plate "a" between the balancer drive gear "2" the and the balancer driven gear "3", and then loosen the balancer driven gear nut.
Balancer gear
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Checking the balancer gears and primary drive gear
1. Check:
Balancer drive gear
Balancer driven gear
Cracks/damage/wear Replace.
2. Check:
Primary drive gear
Refer to "CHECKING THE PRIMARY DRIVE
GEAR" on page 5-43.
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Other materials:
Important manual information
Particularly important information is distinguished in this manual by the
following notations:
This is the safety alert symbol. It is used to alert you to potential personal
injury
hazards. Obey all safety messages that follow this symbol to avoid possible
injury
or death.
WARNING
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Circuit diagram
4. Main fuse
5. Main switch
9. Battery
25.ECU (engine control unit)
36.License plate light
37.Tail/brake light
44.Headlight relay
46.Pass switch
47.Dimmer switch
51.Headlight (low beam)
52.Auxiliary light
54.Headlight (high beam)
58.Meter light
60.High beam indicator light
64.Ignit ...
Ignition circuit cut-off system
The ignition circuit cut-off system (comprising
the sidestand switch, clutch
switch and neutral switch) has the following
functions.
It prevents starting when the transmission
is in gear and the sidestand
is up, but the clutch lever is
not pulled.
It prevents starting when the t ...