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ENGINE
TUNING
In addition to checking
and
adjusting the ignition system, an engine tune-up may include the following
0
UJ
lj
::>
w
Q.
operations
-
Compression check
(page 0401
l
-
Valve clearance setting
(page
0422)
-
Oil pressure check (page
1401)
- Cleaning
the
carburettor, fuel pump
and
air filter (page
1211)
-
Checking the cooling fan air gap I0.35 mm
-
0.014")
-
Adjusting
the engine
idling
(page
1201
or
1211)
2.73
..._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
SPARK PLUGS
-
Carburettor engines
:
For
{
XM XM7
XM and XN 1 U.S.
·Marchal
35
HS
- AC
44
XL
·Champion
N9Y
For
XN1
·
Marchal
35 HS
-
AC
44
XL
·
Champion
N7Y
Electrode gap
:
0.6 mm
(0.024")
-
Injection engines
-
For
XM KR>
·Marchal
GT 34
HO
· Champion N6Y
Electrode
gap
:
0 .5 mm (0
.020")
-
For
XM
KF5
XN2
-
Marchal
GT 34
H
D
·AC
42
XL
Champion N6Y
Electrode gap
:
0.6 mm
(0.0.24")
.
,.
1212
E
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