APRILIA MXV 450 - Owner's Manual download pdf (Page 123)

LUBRICATION

3-85

ine 450 - 550

3.10.2. CHECK

CHECKING THE BEARINGS AND OIL SEALS

Carefully clean with a mild solvent the two crankcases, the

ball bearings and all bearings seats. Clean the sealing

surfaces and ensure they are not damaged.

NOTE Set the two crankcases on the suitable support plate

(no. 9100942) to avoid damaging them.

Check that the casings are not cracked or damaged.

Ensure that all threads are in good condition.

Check that all oil seals that are in place are not worn or

damaged.

Check play, smooth movement and deformation of all ball

bearings.

NOTE Lubricate the ball bearings with engine oil before

checking.

In case the inner ring does not move smoothly and is noisy,

it is faulty and should be changed.

CHECKING THE TIMING CHAIN AND GUIDES

Check timing chain for damage and hard spots.

Change the timing chain and camshaft gears as a set, if

necessary.

Check timing chain guides for damage.

Change the components, if necessary.

CHECKING THE OIL FILTER AND OIL DELIVERY TUBE

Check oil filter for damage.

Change the part, if necessary.

Clean oil mesh with degreasing agent and check the mesh

to ensure there are no damages.

Check oil delivery tube for damage.

Change the part, if necessary.

Ensure that the oil delivery tube holes are not clogged and

blow with compressed air to clean them, if necessary.

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APRILIA MXV 450 - Owner's Manual Page 123