Front
Unscrew and remove the two nuts on the head exhaust stud bolts.
![](https://motoinstruction.ru/img/aprilia/17/123287.jpg)
Loosen the clamp.
Remove the exhaust manifold.
![](https://motoinstruction.ru/img/aprilia/17/123288.jpg)
Rear
Loosen the exhaust pipe between the manifold and the exhaust end.
Unscrew and remove the two nuts on the head exhaust stud bolts.
![](https://motoinstruction.ru/img/aprilia/17/123289.jpg)
See also specifications for this operation.