Yamaha YZF-R125 Service Manual: 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 screwdriver.

Checking the radiator


2. Check:

  • Radiator hoses Cracks/damage Replace.

3. Measure:

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

a. Install the radiator cap tester "1" and radiator cap tester adapter "2" to the radiator cap "3".


Checking the radiator


b. Apply the specified pressure for ten seconds and make sure there is no drop in pressure.

4. Check:

  • Radiator fan Damage Replace.


    Malfunction Check and repair.


    Refer to "COOLING SYSTEM" on page 8-25.

    Radiator
    ...

    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 ...

    Other materials:

    Engine specifications
    ...

    Installing the rear shock absorber assembly
    1. Install: Rear shock absorber assembly Relay arm "1" NOTE: Install the relay arm as shown in the illustration. 2. Tighten: Rear shock absorber assembly upper nut Relay arm nut Rear shock absorber assembly lower nut 3. Install: Connecting arms NOTE: When ins ...

    Coolant
    The coolant level should be checked before each ride. In addition, the coolant must be changed at the intervals specified in the periodic maintenance and lubrication chart. To check the coolant level Place the vehicle on a level surface and hold it in an upright position. TIP ...

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