Check that the circlip (3) and tongue (13) are present on the pump.
Fit the pump drive gear (12) on to the oil pump and secure it by installing the circlip (6) in its groove.

Insert the by-pass valve pump (17), the spring (16) and screw the plug (14). Tighten the plug (14) to a torque of 17 nm (min. 15 Nm - max. 19 Nm) (sect. 3 - 3, Engine torque settings) applying a medium strength threadlocker.

Disassembly of the oil pump
Refitting the oil pumpRemoval of the clutch master cylinder assembly
Warning
The clutch master cylinder manufacturer advises against servicing of
the clutch master cylinder (1) due to the safetycritical
nature of this component. Incorrect overhaul of this component could endanger
rider safety.
Maintenance operations of the master cylinder are limited to replac ...
Removing the flywheel - generator assembly
Use the tool 88713.3367 Fixed to the m10 side stand fixing holes (d).
Secure the tool to the flywheel with the screws (e).
Unscrew the alternator-flywheel retaining nut (15).
Warning
While unscrewing the nut, apply axial pressure to the socket to
avoid damage or injury in the event of the ...
Refitting the oil pump
If removed, apply specific threadlocker on the bushing (7) outer thread, and
screw it in the crankcase half, observing the
height.
Position the reference bushings (15) and the oil sealing o-rings (2) and (4)
according to the crankcase lubrication
channels.
Position the oil pump on th ...