Inspecting The Crankcase Halves; Bearings And Oil Seal Check; Oil Filter And Oil Delivery Pipe Check - APRILIA DORSODURO 1200 ABS - ATC Service Station Manual

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Engine
pos.
Description
2
Connecting rod screw
Open the crankcase halves.
Remove the crankshaft.
See also
Splitting the
crankcase halves

Inspecting the crankcase halves

BEARINGS AND OIL SEAL CHECK

Thoroughly clean the two sections of the crankcase, the ball bearings, the threads of the crankcase
fixing screws and the bearing seats with a non-aggressive solvent. Clean the seal surfaces and check
that they are not damaged.
CAUTION
TO AVOID DAMAGING BOTH CRANKCASE HALVES PLACE THEM ON A FLAT SURFACE.
Check that both crankcase halves are not cracked or damaged.
Check that all threads are in proper conditions.
Check that all oil seals remaining in their position are not worn or damaged.
Check all ball bearings for clearance, smoothness and potential distortions.
CAUTION
LUBRICATE BALL BEARINGS WITH ENGINE OIL BEFORE FURTHER CHECKING.
If the internal ring does not rotate smoothly and silently or if there is some noise while it turns, it means
that the bearing is faulty and must be replaced.

OIL FILTER AND OIL DELIVERY PIPE CHECK

Check the oil filter for damage. If necessary, replace the part.
Clean the oil net with petrol and inspect the net links for potential damage.
ENG - 276
email: info@motomatrix.co.uk
DORSODURO 1200 ABS - ATC
Type
Quantity
M10
4
15 + 30 Nm (11.06 +
22.13 lbf ft) + 50° ± 2°,
final control torque 65 -
78 Nm (47.94 - 57.53 lbf
Torque
Notes
Lubricate the
threads before tight-
ening
ft)

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