Bold reference numbers in this section identify parts not shown in the figures alongside the text, but which can be found in the exploded view diagram.

Position and tighten the retaining screws (3) to the torque of 10 Nm± 10% (Sect. 3 - 3, Frame torque settings).

Insert the cooling system pipes (15) and (2) in the corresponding unions on the radiator and tighten the clamps (14) to a torque of 2.5 Nm ± 10% (Sect. 3 - 3, Frame torque settings).

Insert pipe (B) that connects the water tank-radiator on the radiator plug inlet with clamp (A) and tighten the latter to a torque of 1 Nm ± 10% (Sect. 3 - 3, Frame torque settings).

Loosen the fixing clamps (14) of the water radiator (10) pipe (2) and the fixing clamps of the radiator/thermostat sleeve (15) to the thermostat.

Loosen the clamps (14) and (17) securing the thermostat assembly (16) – thermostat-cylinder head hose (18) – thermostat-cylin­der head hose (22).

Loosen the clamps (14) to disassemble the thermostat unit (16) - thermostat/head sleeve (18) - thermostat/head sleeve (22) - radiator pump pipe (2).

Recover the O-ring gasket (19) located between the retainer and the vertical head.

Collect the O-ring gasket (19) located between the retainer and the horizontal head.

Install a gasket (19) in the seat of the horizontal head retainer (1) and one in retainer seat (20).

Fix the fitting (1) on the horizontal head by means of the screws (12) with prescribed threadlocker, and tighten them to a torque of 6 Nm (Min. 5 Nm - Max. 7 Nm) (Sect. 3 - 3, Frame torque settings).

Fix the fitting (20) on the vertical head by means of the screws (12) with prescribed threadlocker, and tighten them to a torque of 6 Nm (Min. 5 Nm - Max. 7 Nm) (Sect. 3 - 3, Frame torque settings).

To assemble the thermostat unit (16) - thermostat/head sleeve (18) - thermostat/head sleeve (22) - radiator pump pipe (2) position the clamps (14) and tighten them to the torque of 2.5 Nm ± 10% (Sect. 3 - 3, Frame torque settings).

Position the thermostat unit (16) thermostat/head sleeve (18) - thermostat/head sleeve (22) with clamps (14) and (17) and tighten them to a torque of 2.5 Nm ± 10% (Sect. 3 - 3, Frame torque settings); then tighten clamp (17) to the torque of 1 Nm ± 10% (Sect. 3 - 3, Frame torque settings).

Position the pump /radiator pipe (2) and the radiator/thermostat sleeve (15) with the clamps (14) and tighten the clamps to the torque of 2.5 ± 10% (Sect. 3 - 3, Frame torque settings).