Yamaha YZF-R125 Service Manual: Checking the connections

Yamaha YZF-R125 Service Manual / General information / 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.

Checking the connections

3. Check:

All connections

Loose connection → Connect properly.

NOTE:

If the pin "1" on the terminal is flattened, bend it up.

Checking the connections

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.

Checking the connections

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:

Checking the front fork
1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Check: Inner tube Damage/scratches Replace. Oil seal Oil leakage Replace. 3. Hold the vehicle upright and apply the front brake. 4. Che ...

Removing the swingarm
1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on a suitable stand so that the rear wheel is elevated. 2. Measure: Swingarm side play Swingarm vertical movement a. Me ...

Checking the shift shaft
1. Check: Shift shaft Bends/damage/wear Replace. Shift shaft spring Damage/wear Replace. Checking the stopper lever 1. Check: Stopper lever Bends/damage Replace. Roller turns roughly Replace the stopper lever. Stopper lever spring Damage/wear Replace. ...