Removal
Heat the magneto flywheel with the specific heater.
Undo and remove the six screws. Remove the freewheel from the magneto flywheel.
![](https://motoinstruction.ru/img/aprilia/17/122986.jpg)
Installation
Insert the woodruff key on the crankshaft.
![](https://motoinstruction.ru/img/aprilia/17/122987.jpg)
Insert the start-up transmission gear after applying a layer of grease.
![](https://motoinstruction.ru/img/aprilia/17/122988.jpg)
Insert the flywheel on the crankshaft.
Screw the screw together with the washer but without tightening.
![](https://motoinstruction.ru/img/aprilia/17/122989.jpg)
Place the appropriate tool for locking the flywheel.
Locking the flywheel in position, using the specific tool, tighten the screw on the crankshaft.
Remove the special tool.
Specific tooling: 020713Y Flywheel extractor
![](https://motoinstruction.ru/img/aprilia/17/122990.jpg)
Locking torques (N·m):
- Screw fixing Rotor - Crankshaft - M12x1.25 (1) 120 Nm (88.51 lbf ft)
Place the retention plate.
Tighten the screw.
![](https://motoinstruction.ru/img/aprilia/17/122991.jpg)