Check that the length of the valve springs when released is within
the recommended values.
Valve spring free length = 43.1 mm
Using a torque wrench, check that the valve spring specications
correspond to the recommended gures; if not, replace the worn
components.
Length of valve springs under a load
of 20.47 ÷ 21.84 daN
= 34.0 mm
Length of valve springs under a load
of 44.81 ÷ 47.59 daN
= 24.5 mm
Check that the diameter of the camshaft bearings corresponds to
the recommended gure; if not, replace the worn camshaft/s.
Diameter of inlet and exhaust shaft bearings VF4
Diameter I bearing• = 43.600 ÷ 43.615
Diameter II bearing• = 43.400 ÷ 43.415
Diameter III bearing• = 43.200 ÷ 43.215
Diameter VI bearing• = 43.000 ÷ 43.015
Diameter V bearing• = 30.000 ÷ 30.015
Diameter of inlet and exhaust shaft bearings VF5
Diameter I bearing• = 43.800 ÷ 43.815
Diameter II bearing• = 43.600 ÷ 43.615
Diameter III bearing• = 43.400 ÷ 43.415
Diameter IV bearing• = 43.200 ÷ 43.215
Diameter V bearing• = 43.000 ÷ 43.015
Diameter VI bearing• = 30.000 ÷ 30.015
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