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:

Engine oil and oil filter element
The engine oil level should be checked before each ride. In addition, the oil must be changed and the oil filter element replaced at the intervals specified in the periodic maintenance and lubrication chart. To check the engine oil level Place the vehicle on a level surface and hol ...

Removing and installing the cowlings and panel
Removing and installing the cowlings and panel Cowling A Cowling B Cowling C Cowling D Panel A The cowlings and panel shown need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time a cowling or panel needs to be ...

Installing the fuel hose
1. Install: Fuel hose Fuel hose connector cover CAUTION:When installing the fuel hose, make sure that it is securely connected, and that the fuel hose connector cover is in the correct position, otherwise the fuel hose will not be properly installed. NOTE: W ...