Repair Manual

10
10 - 16
ENGINE AND LOWER ENGINE UNITS
CYLINDER HEAD
Aluminium alloy cast cylinder head
T
YPE DU MOTEUR
Couple for tightening the attachment
screws of the cylinder head (daNm)
- cold engine
- warm engine *
Cylinder head height (mm)
- normal
- for repairs (minimum)
Reprise maximum autorisee du plan de
joint
Maximum accepted grinding of the
support surface of the gasket
Iginition chamber volume (cmc)
Cylinder head identification (stamp on
the cylinder head)
102 - 14
5,5 - 6,5
6,5
74,40
73,90
0,50
0,05
41,80+/-0,5
1400 / 8,5
106 - 10
5,5 - 6,5
6,5
74,20
73,70
0,50
0,05
46,6+/-0,5
1557 / 8,5
106 - 02
5,5 - 6,5
6,5
74,20
73,70
0,50
0,05
46,6+/-0,5
1557 / 8,5
* 50 minutes after the engine is stopped.
The difference between the ignition chambers volumes of the same cylinder head , max. 0,5
cmc.
VA LV E S PRINGS
The valve springs are identical for the inlet and for the outlet.
Upon assembling, the tight coils shall be towards the cylinder head The end with tight coils is
grene paint marked.
ENGINE TYPE ALL TYPES
Wire diameter ( mm ) 3,4
Exterior diameter ( mm ) 21,6
Length of spring ( mm ) 42
Length of spring under load of 36 daN ( mm ) 25
Coiling direction rightwise
CHARACTERISTICS
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