Betamotor EVO 4t Manual do Utilizador descarregar pdf (Página 63)

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camchain passes freely through the timing case on

the right-hand side of the engine.

Insert the two dowels (1) and the movable cam-

chain guide (2). Fit the cylinder head gasket, taking

care that it does not obstruct the oilway (3).

4.15 CYLINDER HEAD COVER

Before proceeding to fit the head cover, carry out

the following checks:

- Check the condition of the surfaces of the rocker

spindles (8). Replace them if you detect excessive

wear or scoring. Measure their external diameter

and, if this is below the limit, replace the rocker

spindle.

Limit value 11.93mm

- Check that the rollers (4) in the rocker arms run

freely. If you detect excessive radial clearance, re-

place the rocker arms.

- Check the adjuster nuts (6) to ensure that the sur-

faces that bear on the rocker arms are flat.

- Measure the diameter of the spindle hole in the

rocker arm. If the play of the spindle in the hole is

outside the limit value, replace the rocker arm.

Limit of play 0.10mm

Insert the oil plug (1) in its housing using a pin

punch.

Fit the adjuster screws (5) and the adjuster nuts on

both rockers.

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Betamotor EVO 4t Manual do Utilizador Página 63