Position the gearbox drum selector fork in the centre of the gear rollers.
Position the gear selector lever (21) together with control shaft, spring and plate into the chain-side crankcase half.
Insert the screws (18) and (20) with the spacer (19).
Temporarily fit gear change lever (or a service lever) and engine pinion and shift to neutral gear.

Place the tool 88713.3334 On the gear claw.

Place the tool 88713.3334 Inserting the clutch rod (e) into the tool hole, block the pin (f) of the tool in the gear claw pressing with the hand in the point (g) (claw stroke lock plate) towards the right, as shown in photo.


Tighten the screw (18) in this position to a torque of 36 nm (min. 34 Nm - max. 38 Nm) and screw (20) to a torque of 16 nm (min. 15 Nm - max. 17 Nm) (sect. 3 - 3, Engine torque settings).
Warning
Make sure that the gear selector lever fixing screws (18) and (20) are those indicated in our spare parts catalogue. They Must be screws of class 12.9 In order to respect the tightening torque indicated above (sect. 3 - 3, Engine torque settings).
Start tightening the first screw (18), and continue with screw (20).



Remove service tool no.
Check that the pin (h) placed on the gear drum is axially to the notch (l) on the gear claw (with gear in neutral).

With the gearbox in neutral, check that the lever travel is the same when shifting up and down. The same should apply when a gear is engaged.
Operate the gearchange lever and turn the front sprocket at the same time to check that all the gears engage when shifting up and down.
Remove the previously installed lever and sprocket.

Refitting the gear interlock plunger and pawl assembly
Gearbox shaftsSpark plugs replacement
Check the colour of the ceramic insulation around the central electrode:
an even, light brown colour indicates the engine is in good condition and
running at the right temperature.
Inspect the centre electrode for wear and check spark plug gap, which should be:
0.8+/-0.1 Mm.
Important
...
Rh switch
Red on/off switch.
Black engine start button.
The switch (1) has three positions:
Centre: run off. In this position, the engine cannot be
started and all electronic devices are off.
Pushed down: on/off. In this position, the system can
be turned on (key-on) and off (key-off).
Pus ...
Indication of range reached for service
When service coupon threshold is achieved, upon every key-
on the system displays the indication of the type of
intervention that is required (oil service or desmo
service).
The (red) warning is activated as a large icon for 10 seconds
upon every key-on (1, fig. 33) Then as a small warning th ...