Fit the spacers with collar (3) into the rear vibration dampers (2) located on the gloves compartment (23).
Note
Two spacers (3) must be inserted inside and outside on the right side and two spacers (3) must be inserted inside and outside on the left side.

Insert the split vibration damper (h) on the wiring (g) of the left optical unit (13) and the split vibration damper (h) on the wiring (c) of the right optical unit (1).
Note
The usa version uses red optical units (13) and (1).
Fit the left optical unit (13) and the right optical unit (1) on the compartment (23), inserting their pins (d) and (e) into the vibration dampers (2).
Fit the split vibration dampers (h) into the corresponding holes of the compartment (23).

Fit the washers (14) on the screws (4).
Fix the optical units (13) and (1) to the compartment (23) starting the screws (14).
Note
The screws (14) must be inserted into the internal spacers (3) fitted previously.

Tighten the screws (4) to a torque of 6 nm +/- 10% (sect. 3 - 3, Frame torque settings).

Removal of the tail lightSpark 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
...
Reassembly of the connecting rods
Before starting, check that the crankshaft main bearing journals and big-end
journals are free of burrs or evident signs of
machining: if necessary, clean the surfaces with very fine emery cloth and oil.
Check that the grooves are in perfect condition with no signs of forcing.
Clean the cra ...
Refitting the evaporative emissions canister
To refit, carry out the removal operations in reverse order, making sure to
locate the hoses as shown in the figures at the
end of the chapter.
Positioning the hoses / clamps and canister filter
...