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 shaftsRefitting the cylinder heads pulleys/fixed tensioners
Check that the keyway on the end of the camshaft is in good condition and
without burrs.
Fit a woodruff key (b) in the keyway of each camshaft.
Fit the pulley (11) on the camshaft, inserting the woodruff key in the in the
slot (c) in the pulley.
Apply the recommended grease to the t ...
Topping up the electrolyte
Warning
Before carrying out any operations on the battery, keep in mind the
safety standards (sect.1 - 3, General safety rules).
The electrolyte in the battery is toxic and can cause burns if it comes into
contact with the skin because it contains
sulphuric acid. Wear protective clothing, a ...
Main bearings
The main bearings have are of the angular contact type with offset inner
races so that the balls transmit loads from one
groove to the other along straight lines at an angle to the axis of the bearing.
The angle-contact ball bearings are
designed for bearing combined loading (radial-axial load ...