Yamaha Tracer MT09TRA - Service manual > Radiator

Checking the radiator

1. Check:

• Radiator fins

Obstruction → Clean.

Apply compressed air to the rear of the radiator.

Damage → Repair or replace.

TIP

Straighten any flattened fins with a thin, flat-head screwdriver.

2. Check:

• Radiator hoses
• Radiator pipes

Cracks/damage → Replace.

3. Measure:

• Radiator cap opening pressure

Below the specified pressure → Replace the radiator cap.

Radiator cap opening pressure 93.3-122.7 kPa (0.93-1.23 kgf/cm², 13.5-17.8 psi)

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

Radiator cap tester 90890-01325

Mityvac cooling system tester kit YU-24460-A

Radiator cap tester adapter 90890-01352

Pressure tester adapter YU-33984

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.

Installing the radiator

1. Fill:

• Cooling system (with the specified amount of the recommended coolant)

2. Check:

• Cooling system

Leaks → Repair or replace any faulty part.

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

Radiator cap tester 90890-01325

Mityvac cooling system tester kit YU-24460-A

Radiator cap tester adapter 90890-01352

Pressure tester adapter YU-33984

b. Apply 122.7 kPa (1.23 kgf/cm², 17.8 psi) of pressure.

c. Measure the indicated pressure with the gauge.

3. Measure:

• Radiator cap opening pressure

Below the specified pressure → Replace the radiator cap.

See also: