Ducati SUPERBIKE 848 MY 2008 Manual page 283

Final drive
Check that the splines of the gearbox output shaft and the sprocket are in perfect condition.
Fit the front sprocket (3) and install the safety washer (2).
Tighten the nut (1) to the specified torque (Sect. C 3,
Fit the chain and join the links using the same service tool part no. 88713.1344 that was used to split the chain.
The tool is composed of a holder (A), punch (B), body (C) and two wrenches (D) and (E) and link plate holder (F).
Connect the two halves of the chain with the external link and manually fit the plate onto the pins.
Warning
Lubricate the pins abundantly; try to avoid touching them with your hands.
Fit the holder (A) onto the external link.
Fit the punch (B) into the body (C) and the plate holder (F).
Fit the body (C) onto the holder (A) which holds the chain in position.
Manually turn the bolt (G) until the plate holder (F) is seated against the plate itself.
Use wrenches (D) and (E) to turn the bolt (G) clockwise until the chain pin is in contact with the holder (F).
Remove the holder (A) from the tool.
Manually turn the bolt (G) until the punch (B) locates against the pin, taking care that they are aligned with each
other.
Use wrenches (D) and (E) to turn the bolt clockwise until the punch (B) is seated against the chain plate.
To complete reassembly, repeat the entire procedure with the second pin.
Warning
Carefully check the two pins: the figure shows the correct result of the procedure.
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Frame torque settings).