Yamaha YZF-R125 Service Manual: Checking the connections
Check the leads, couplers, and connectors for stains, rust, moisture, etc.
1. Disconnect:
- Lead
- Coupler
- Connector
2. Check:
- Lead
- Coupler
- Connector
Moisture → Dry with an air blower.
Rust/stains → Connect and disconnect several times.
3. Check:
- All connections
Loose connection → Connect properly.
NOTE:
If the pin "1" on the terminal is flattened, bend it up.
4. Connect:
- Lead
- Coupler
- Connector
NOTE:
Make sure all connections are tight.
5. Check:
- Continuity
(with the pocket tester)
NOTE:
If there is no continuity, clean the terminals.
When checking the wire harness, perform steps (1) to (3).
As a quick remedy, use a contact revitalizer available at most part stores.
Circlips
Before reassembly, check all circlips carefully
and replace damaged or distorted circlips. Always
replace piston pin clips after one use.
When installing a circlip "1", make sure the
sharp-edged ...
Special tools
The following special tools are necessary for complete and accurate tune-up
and assembly. Use only
the appropriate special tools as this will help prevent damage caused by the use
of inappropriat ...
Other materials:
Adjusting the rear disc brake
1. Check:
Brake pedal position
(distance "a" from the center of the rider footrest
to the center of the brake pedal)
Out of specification Adjust.
2. Adjust:
Brake pedal position
a. Loosen the locknut "1".
b. Remove the cotter pin "2", washer "3", and
pin "4".
c. Turn t ...
Installing the primary drive gear and balancer gears
1. Install:
Balancer driven gear "1"
Lock washer
Balancer drive gear "2"
Primary drive gear
Washer "3"
Balancer driven gear nut
Primary drive gear nut
NOTE:
Align the punch mark "a" in the balancer drive
gear "2" with the punch mark "b" in the balancer
driven gear "1".
...
Supporting the motorcycle
Since this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other maintenance
requiring the motorcycle to stand upright.
Check that the motorcycle is in a
stable and level position before starting
any maintenance. A ...