Ducati Diavel Service Manual: Removing the valve rocker arms
With the cylinder head in the condition described in the previous paragraph, remove the rocker arms.
Unscrew the eight plugs (12) and recover the seals (15).
Using an m6 screw, withdraw the shafts (2) of the opening rocker arms (3) on the exhaust and intake sides.
Remove the opening rocker arms (3).
Using the claw of the rocker arm spring tensioning kit 88713.2069 Installed between the spring and the inner wall of the cylinder head, move the straight end of the rocker arm return spring (19) and (18) and insert it in the drilled shaft.
Use the shaft to slide the end of the spring into its final position.
Using an m6 screw, withdraw the shafts (1) of the closing rocker arms on the exhaust and intake sides.
Remove the closing rocker arms (4) and (16), the springs (18) and (19) with the spacers (17).
Carry out the same operation to remove the closing rocker arms (4) and (16), the springs (24) and (25) with the spacers (23).
Remove the sealing rings (8) from the ends of the valve guides.
Repeat the same procedure for the other cylinder head.
Removing the valves
Raise the rocker arm (3) and remove the opening shim (5) from the valves with
a pair of pliers.
Push down the closing rocker arms (16) and (4) and the closing shim (7).
Remove the half r ...
Overhaul of cylinder head components
Cylinder heads
Remove any carbon deposits from the combustion chamber and its ducts.
Remove any scale from the coolant ducts.
Check for cracking and inspect the sealing surfaces for scoring, ri ...
Other materials:
Checking and overhauling the components
Clearance between the clutch drum and friction plates
Insert a friction plate (e) in the clutch drum (f) and measure the clearance
(s) with a feeler gauge.
Clearance "s" must not exceed 0.6 Mm.
If it does, renew the plates and, if necessary, the clutch drum.
Overhaul of the clutch plat ...
Fuel pressure test
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
Undo the screws (2) and remove the flange cover (1).
Remove one of the two pipes of the fuel system (3).
Use the fuel pressure pipe (4) part no. 590.1.189.1A by connecting one e ...
Refitting the oil pump
If removed, apply specific threadlocker on the bushing (7) outer thread, and
screw it in the crankcase half, observing the
height.
Position the reference bushings (15) and the oil sealing o-rings (2) and (4)
according to the crankcase lubrication
channels.
Position the oil pump on th ...