Ducati Diavel Service Manual: Removal of the gearbox assembly
Withdraw the selector fork shafts (30).
Move the forks (28) and (29) to disengage them from the slots in the selector drum (14).
Withdraw the selector drum (16) taking care not to lose shims (31) and (27) mounted on the shaft. Note that the positions of the shims must not be inverted.
Once removed, it is possible to replace the special rollers (13).
Remove gear selector forks (29) and (28).
Remove
Remove the gearbox primary (2) and secondary (25) shafts complete with gears, taking care to recover the spacers on the ends of the shafts.
If the bearing inner rings (a) are left on the shafts, slide them off the ends of the gearbox primary (2) and secondary (25) shafts (sect. 9 - 9.2, Separation of the crankcase halves).
Gearbox shafts
Shim, thickness 1
Gearbox primary shaft
Shim, thickness 0.5
Needle roller bearing
5Th speed driving gear
Splined washer, thickness 0.5
Circlip
3Rd- 4th speed driving gear
6Th sp ...
Disassembly of the gearbox shafts
Place the shaft in a vice in such a way as to facilitate the disassembly
operations.
Important
Take care not to invert the positions of the shims on reassembly:
this would potentially lead to jam ...
Other materials:
Inspection of the gear selector drum
Use a gauge to measure the clearance between fork pin and the slot on the
selector drum.
If the service limit is exceeded, determine which part must be replaced by
comparing these dimensions with those of new
components (sect. 3 - 1.1, Gearbox).
Also check the wear on the drum support pin ...
Changing the engine oil and filter cartridge
Note
This operation has to be carried out with hot engine (but turned off)
because the oil in these conditions is more fluid and
its evacuation is faster and complete.
Remove the drain plug (3) with seal (a) from the oil sump and allow the oil
to drain off.
Warning
Dispose of oil and/or fil ...
Adjusting the steering head bearings
Note
To adjust the steering bearing clearance, follow what is described in
sect. 4 - 3, Adjusting the steering head bearings.
If the problems found are not solved, check the wear of steering bearings (6)
and replace them, if necessary, as described
in paragraph "removal of the steering head c ...