Checking the radiator (Yamaha FZ1)

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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, flathead 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 kg/cm², 0.9-1.2 bar, 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
Radiator pressure tester: YU-24460-01
Radiator cap tester adapter: 90890-01352
Radiator pressure tester adapter: YU-33984

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

4. Check:

• Radiator fan Damage → Replace.

Malfunction → Check and repair. Refer to «Radiator».

See this article in russian language

Article about repair motorcycles «Yamaha Fazer FZ1» (2006-2015): «Checking the radiator»: https://motoinstruction.ru/en/Yamaha/Fazer/FZ1/engine/cooling/110845 <a href="https://motoinstruction.ru/en/Yamaha/Fazer/FZ1/engine/cooling/110845">Checking the radiator</a> - article about repair motorcycles «Yamaha Fazer FZ1» (2006-2015) from section «Cooling system». [url=https://motoinstruction.ru/en/Yamaha/Fazer/FZ1/engine/cooling/110845]Checking the radiator[/url] - article about repair motorcycles «Yamaha Fazer FZ1» (2006-2015) from section «Cooling system».