Yamaha YZF-R125 Service Manual: Checking the radiator

Yamaha YZF-R125 Service Manual / Cooling system / Radiator / 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.

Installing the radiator

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