
Note
The following removal operations are required in order to renew and/or clean the crankcase halves. If the original crankcase halves are to be reused, then the removal of these components is not essential.
Unscrew the screw (17) and remove the oil breather valve (1) with the o-rings (2). Check the condition of o-rings (2) and renew them if necessary.


Unscrew and remove the oil filter support nipple (6) and remove also by-pass spring (7).

Remove the mesh filter (a) from the clutch crankcase half (sect. 4 - 3, Changing the engine oil and filter cartridge).

Remove the drain plug (10) with its seal (9).

Remove gear position sensor (4) by means of the tool number 88713.3407.
Remove the


Remove the cylinder head studs (5) with the aid of the appropriate tool.


To remove the engine sensor (23), unscrew the screw (25) and recover the washer (26).

Check the condition of o-rings (22) and renew them if necessary

Loosen the clutch fluid flow rate adjusting valve (36) and remove the washer (37), the spring (38), the cap (39) and the ball (40).

External components
Refitting the external componentsAbsolute pressure sensors
Introduction
The engine control system of the diavel is equipped with two absolute
pressure sensors, with one connected to the intake
duct of each cylinder (map 1 cylinder 1 - horizontal - map 2 cylinder 2 -
vertical). They are used by the control unit to
determine the quantity of fuel to be ...
Warning indication (alarms/signals)
The dashboard activates in real-time some warnings / malfunction that are not
dangerous for the correct operation of the
vehicle.
At key-on (at the end of the check) one or more "warnings" are displayed if they
are active.
When a "warning" is triggered, the indication (amber yellow) remai ...
Stored lap display function
This function displays the stored laps.
To access the function it is necessary to view the "setting" menu page 48, using
button (1, fig. 14) ?"" or (2, fig.
14) ?" " select the "lap" function and
press the reset button
(12, fig. 12) To go to next pag ...