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:
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 ...
Checking the front and rear brake pads
The front and rear brake pads must be
checked for wear at the intervals specified
in the periodic maintenance and
lubrication chart.
Front brake pads
Remove the front brake caliper by
removing the bolts.
Bolt
Brake caliper
Lining thickness
Check each front br ...
Checking the steering
Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as follows
at the intervals specified in the periodic
maintenance and lubrication
chart.
Place a stand under the engine to
raise the front wheel off the
ground. WARNING! To ...