Ducati Scrambler 800 - Service manual > Lubrication system: oil pump

Refitting the oil pump

Position the reference bushes (5) and O-rings (4) according to the casing lubrication channels.

Place oil pump (3) on the casing.

Start screws (1) and (2) retaining the complete pump.

Tighten screws (1) to 26 Nm (Min 23 Nm - Max 29 Nm) and screw (2) to 10 Nm (Min 9 Nm - Max 11 Nm).

Check the backlash with the front sprocket.

Move the gear slightly to measure the backlash; take four readings in opposed positions.

The backlash must be 0.10 mm. To take the measurement use a dial gauge.

Refit the clutch cover (Refitting the clutch cover).

Fill the lubrication system (Changing the engine oil and filter cartridge).

Reassembling the oil pump

Fit the oil pump control gear (10) on oil pump checking the presence of key (11).

Lock the gear using circlip (9).

Insert by-pass valve (8), spring (7) and plug (6).

Tighten plug (6) to a torque of 17 Nm (Min 15 Nm - Max 19 Nm) after applying the indicated threadlocker.

Disassembling the oil pump gear

Remove the plug (6) and extract the spring (7) and by-pass valve (8).

Check their wear conditions.

Remove circlip (9) and withdraw the pump drive gear (10).

Removing the oil pump

Empty the lubrication system (Changing the engine oil and filter cartridge).

Remove the clutch cover (Removing the clutch cover).

Loosen and remove screws (1) and (2) retaining the complete pump.

Remove the complete oil pump (3).

Extract the two O-rings (4) from the crankcase half together with two bushes (5).

See also: