![](https://motoinstruction.ru/img/aprilia/17/123174.jpg)
Lock the pump gear with a commercial hook spanner and unscrew the nut, collecting the safety washer.
![](https://motoinstruction.ru/img/aprilia/17/123175.jpg)
Remove the water pump gear.
![](https://motoinstruction.ru/img/aprilia/17/123176.jpg)
Collect the shim washer.
![](https://motoinstruction.ru/img/aprilia/17/123177.jpg)
Undo and remove the two screws fixing the oil pump.
![](https://motoinstruction.ru/img/aprilia/17/123178.jpg)
Remove the entire pump.
![](https://motoinstruction.ru/img/aprilia/17/123179.jpg)
See also specifications for this operation.