Remove the silencer, as described in the paragraph "removing the silencer" of this section.
Loosen the screws (28) and remove the exhaust by-pass valve cover (27).

Turn the exhaust valve pulley (a) to facilitate the throttle cable (25) output.
Release the end fitting (b) of the cable (25) from the exhaust valve (d) and remove the circlip (39).
Release the control cable (25) from the plate (c).

Remove the two retaining springs (16) and remove the central exhaust pipe (26).

Remove the retaining spring (16) and the upper exhaust pipe (19).

Loosen the screws (11) and remove the heat guard (13) from the upper exhaust pipe (19); keep the spacers (12).

Undo and remove the horizontal cylinder lambda probe (20).

Undo and remove the three fixing nuts (21) and remove the horizontal manifold (24) with the gasket (23).


Undo and remove the vertical cylinder lambda probe (20).

Undo and remove the three fixing nuts (21) and remove the manifold (22) with the gasket (23).

Unscrew the nuts (9) and remove the heat guard from the manifold (10).

Removing the silencer
Refitting the exhaust systemOxygen sensors
Introduction
An on-off type oxygen sensor (in normal operating conditions, the voltage
generated by the sensors switches between a
value close to 1v and a value close to 0v) is mounted on each of the exhaust
manifold of the diavel.
Each oxygen sensor has its own internal heater, which recei ...
Refitting the cylinder head assemblies
Warning
To prevent oil leaks past the contact area between cylinders and
crankcase, each time the head is removed, cylinder and
piston must be removed as well to clean the mating faces of crankcase and
cylinder and restore the spoiled gaskets and
o-rings and apply again liquid sealant (sect. ...
Removing of the rear brake control
Warning
The brake master cylinder manufacturer advises against servicing the
brake master cylinder due to the safety critical
nature of this component.
Incorrect overhaul can endanger the rider and passenger.
Maintenance operations on these units are limited to renewal of the following
par ...