- Mating surfaces of the oil cooler and the crankcase (with a cloth dampened with lacquer thinner)
2. Install:
- Crankcase (with the specified amount of the recommended engine oil)
Refer to "Changing the engine oil".
4. Check:
- Cooling system
Leaks → Repair or replace any faulty part.
Refer to "Installing the radiator".
5. Measure:
- Radiator cap opening pressure
Below the specified pressure → Replace the radiator cap.
Refer to "Checking the radiator".
- O-ring New
- Oil cooler
Oil cooler union bolt 63 Nm (6.3 m·kgf, 45 ft·lbf).
- Before installing the oil cooler, lubricate the oil cooler union bolt and O-ring with a thin coat of engine oil.
- Make sure the O-ring is positioned properly.
- Make sure the projection "a" on the oil cooler touches the projection "b" on the crankcase.
![](https://motoinstruction.ru/img/yamaha/20/126819.jpg)
3. Fill:
- Cooling system (with the specified amount of the recommended coolant)
Refer to "Changing the coolant".
- Crankcase (with the specified amount of the recommended engine oil)
Refer to "Changing the engine oil".
4. Check:
- Cooling system
Leaks → Repair or replace any faulty part.
Refer to "Installing the radiator".
5. Measure:
- Radiator cap opening pressure
Below the specified pressure → Replace the radiator cap.
Refer to "Checking the radiator".