![](https://motoinstruction.ru/img/ducati/8/115221.jpg)
Fit the circlip (A) on the timing shaft.
![](https://motoinstruction.ru/img/ducati/8/115222.jpg)
Position the following on the timing shaft:
- the key;
- the rear pulley with the edge facing the casing;
- the guide washer;
- the second key;
- the other pulley with the edge facing the operator;
- the spacer;
- the washer;
- the self-locking ring nut, with the flat side facing the washer.
![](https://motoinstruction.ru/img/ducati/8/115223.jpg)
Use service tool 88700.5644 to secure the pulley and tighten the self-locking ring nut at the specified torque value using the bush supplied with the service tool.
![](https://motoinstruction.ru/img/ducati/8/115224.jpg)
Caution! To prevent accidental loosening which would could seriously damage the engine, use new self-locking ring nuts for securing all the timing pulleys.