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ON / OFF ZERO / ABS
INC
mm
ORIGIN
ENGINE CHECKS AND ASSEMBLY
3.8.4
CHECKING THE CLUTCH
DISCS
The clutch discs are divided into driving and driv-
en: eight driving discs and seven driven discs.
The driving discs have cork inserts on both sides
which wear out due to the driven discs sliding on
them. One needs to check that the thickness of
the clutch pack (driven and driving discs) is not
lower than a minimum set value equal to:
minimum thickness of complete disc pack:
31.6mm
The other measurement that needs to be checked
is the thickness of the teeth of each driving disc,
which must not be less than the minimum set at:
minimum driving disc tooth thickness: 13.3mm
Also check the distortion of the driven discs. This
operation is carried out by placing the driven discs
on a perfectly flat surface and using a thickness
gauge to check that any gap between the disc and
the surface is not greater than:
allowable distortion of driven discs: 0.10mm
Clutch pack measurement
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