Ducati Diavel Service Manual: Removal of the cooling system hoses and unions
Loosen the clips (21) that secure the radiator/thermostat sleeve (40) and the radiator/plug sleeve (24) to the water radiators.
Loosen clips (25) and (43) that secure the breather pipe (26) to the radiator/plug sleeve (24) and to the left radiator.
Loosen the clips (34) securing the thermostat assembly (38) - thermostat-cylinder head sleeve (35) - thermostat/cylinder head sleeve (37) to the cylinder heads.
Loosen the clip (28) to release the breather pipe (30) from the vertical head.
Loosen the clips (21) and (34) to disassemble the thermostat unit (38) - thermostat/head sleeve (35) - thermostat/head sleeve (37) - radiator/thermostat sleeve (40).
Loosen the clip (28) to release the breather pipe (27) from the half-casing.
Loosen the screws (32) and remove the fitting (33).
Recover the o-ring gasket (31) located between the retainer and the vertical head.
Loosen the clips (21) that secure the pump/radiator sleeve (22) and the radiator/radiator sleeve (23).
Important
Periodically check the connection hoses for leaks.
Hoses that are cracked, swollen, or hardened should be renewed.
Refitting the expansion tank
If the support (15) has been removed, place the hose clamps (14) on the
bracket (15) orienting them as indicated.
Fully press the pins (a) to block the clamps (14) until pins surfaces (b) are at ...
Refitting the cooling system hoses and unions
Position the pump/radiator sleeve (22) and the radiator/radiator sleeve (23).
Fit sleeve (23) and sleeve (22) to their corresponding fittings (n) and (o), and
bring them fully home on collars (p) ...
Other materials:
Front brake lever
Pull the lever (1, fig. 94) Towards the twistgrip to operate the
front brake. The system is hydraulically assisted and you only
need to pull the lever gently.
The control lever (1, fig. 94) Features a dial adjuster (2, fig. 94)
For lever distance from the twistgrip on handlebar
adjustment.
...
Indicator speed avg - average speed
This function shows the average speed of the motorcycle.
The calculation is made considering the distance and time travelled since the
last trip 1 reset. When trip 1 is reset, the
value is set to zero and the first available value is shown on the display 10
seconds after the reset. Dashes "- ...
Removal of the throttle twistgrip
Peel back the rubber sleeve (a) protecting the throttle control cables.
Undo the screws (b) of the throttle grip (6) and open the command.
Disconnect the throttle grip cables (10) by unhooking the cable ends (c) from
their seats.
Remove the throttle twistgrip (6) from the handlebar.
...