d) Valve springs :
The inlet and exhaust valve springs are identical.
Characteristics :
- Diameter
of wire : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6 + 0.02 mm
Interior diameter
: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25 2 0.2 mm
- Length of
spring under load : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
39mm(load=m40t2,8kg)
30.6 mm ( load = 84 ~‘1.8 kg )
Coating : ._._................................................................................................ Red or blue varnish
e) Upper spring cups : Identical inlet and exhaust.
f ) Retaining clips : Identical inlet and exhaust
6. Timing :
a) Camshaft :
Chain-driven camshaft, resolving in three cupro -lead bearings.
- Camshaft end-float (a,//>~ I /hi<-krlc~ss a,/ !/o,/s(, I:
0.05 to 0.30 mm
- Thickness of flange : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.44 to 5.46
mm
- Amount of cam lift :
Inlet : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..__.._..._ _.;._.;
.._...._ ..__.___..,
6.63
2’0.02 mm
Exhaust : ___._._..._.........................................................................................,... 6.14 + ‘0.02 mm
WARNING :
Never attempt to rotate the engine by means of the camshaft pulley fixing nut.
TIMING DIAGRAM
(With theoretical inlet and exhaust clearance of 1 .lO mm )
To Next Page
Loading...
