Ducati Diavel Service Manual: Overhaul of the gearbox
Check the condition of the front coupling dogs of the gears. They must be in perfect condition and with no sign of wear on the edges of the teeth.
The idler gears must rotate freely on their shafts.
When refitting, make sure the circlips are correctly positioned.
Check the needle roller bearings for wear.
The threads and splines of the shafts must be in perfect condition.
Also check that the component parts of the gear selector mechanism are in good condition.
Engage
Engage the gears and check that the gearchange mechanism does not stick (selector fork - gear groove, and fork pin - desmodromic drum groove) due to incorrect end float. Restore the correct end float by shimming the gearbox shafts and the selector drum with suitable shims.
For the total gearbox shaft and selector drum end clearance values, refer to sect. 3 - 1.1, Gearbox.
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 ...
Inspection of the gear selector forks
Visually inspect the gear selector forks. Bent forks must be renewed as they
may lead to difficulties in gear changing or
may suddenly disengage when under load.
Use a feeler gauge to check the ...
Other materials:
Distance travelled on fuel reserve: trip fuel
This function shows the distance travelled on fuel reserve (in
km or miles depending on the specific application).
When the fuel light comes on, the display automatically
switches to the "trip fuel" indicator.
Trip fuel reading remains stored even after key-off until the
vehicle i ...
Refitting the water pump
Clean the seat on the cover, any parts you intend to reuse, and the impeller
shaft. Then refit as follows.
Fit on the impeller (10) shaft the mechanical seal (9) as indicated in the
figure.
Apply specified lubricant to facilitate the insertion.
Bring the mechanical seal fully home on th ...
Introduction to the engine control system
The engine control system used on the diavel consists of the following
elements:
Ride-by-wire system (motorised throttle valves with electric actuator,
throttle grip position sensor and throttle valve
position sensor)
One injector per cylinder installed downstream of throttle valve
On ...