Yamaha YZF-R125 Service Manual: Installing the radiator

1. Fill:

  • Cooling system (with the specified amount of the recommended coolant) Refer to "CHANGING THE COOLANT" on page 3-15.

2. Check:

  • Cooling system Leaks Repair or replace any
    faulty part.

3. Measure:

  • Radiator cap opening pressure Below the specified pressure Replace
    the radiator cap.

    Refer to "CHECKING THE RADIATOR" on page 6-3.

    Checking the radiator
    1. Check: Radiator fins obstruction clean. Apply compressed air to the rear of the radiator. Damage  repair or replace. NOTE: Straighten any flattened fins with a thin, flat-head scre ...

    Thermostat
    ...

    Other materials:

    Identification
    Vehicle identification number The vehicle identification number "1" is stamped into the right side of the steering head pipe. Model label The model label "1" is affixed to the frame. This information will be needed to order spare parts. ...

    Troubleshooting
    Any of the following fail to light: turn signal lights, brake light or indicator lights. The horn fails to sound. The fuel gauge fails to operate. The speedometer fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Seats 2. Fuel tank 3. Left upper ...

    Checking the spark plug cap
    1. Check: Spark plug cap resistance Out of specification Replace. a. Remove the spark plug cap from the spark plug lead. b. Connect the pocket tester ( × 1k) to the spark plug cap as shown. c. Measure the spark plug cap resistance. ...

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