Motorcycle engine cooling system Aprilia SL750 (Shiver, 2007-2016)

Electric fan removal
Remove the radiator. Undo and remove the three screws and collect the washers; remove the electric fan. See also specifications for this operation.

Coolant replacement
Remove the right side fairing. Undo and remove the screw and remove the protection. Place a container of suitable capacity. Loosen the screw, move the clamp and slide off the sleeve. Remove the cap. Empty the system into the specific container....

Water pump removal
Cover removal Drain off the cooling circuit completely. Undo and remove the five screws. Remove the water pump cover. Pump rotor removal Remove the clutch-side cover. Lock the pump shaft with a universal wrench on the hexagonal insert on the shaft....

Water pump installation
Refitting Install a new oil seal, using the specific tool, to a depth of 2 mm (0.079 in) (set by the tool itself) relative to the top of the crankcase, at the end of the bevelled edge of the seat hole. Caution! After installing the oil seal, check...

Removing the radiator
Empty the cooling system before removing the radiator. Working on both sides, undo and remove the screw and collect the washer. Unscrew and remove the screw and retrieve the nut. Remove both clamps and slide off the corresponding pipes. Disconnect...

Removing the expansion tank
Remove the right side fairing. Undo and remove the screw and remove the protection. Loosen and move the clamp. Slide off the pipe. Undo and remove the screw and collect the washer. Slide off the expansion tank.

Thermostatic valve
Traditional circuit, three-way thermostatic valve: 1. Hot water inlet from the heads. 2. Outlet towards the short circuit (direct to the pump). 3. Outlet towards the radiator