Yamaha SRX440 1980 Service Manual page 17

1980 SRX440
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3
e. Clean cylinder in solvent, then wash
with hot soapy water. Dry. Coat walls
with light oil film.
13. Cylinder installation
a. Install a new cylinder base gasket.
b Install cylinder with one hand while
c. Remove any obstructions from the coo-
lant passages.
15, Cylinder head installation
Install cylinder head gasket, D-ring and
cyiinder head. Working in a crisscross
pattern, tighten head nuts in two steps.
compressing piston rings with other
Tightening torque
hand.
First
20 Nm 12.0 m-kg)
10 mm nut
.
Final
30 Nm 13.0 m-kq)
I~V II:;
First
20 Nm 12.0 m-kq)
Makesuretnerin gs a
I
e
properlvposttionad,
8
mm nut
..
,""
Final
25 Nm 12.5 m-kg)
14. Cylinder head inspection
a. Remove spark plug.
b. Using a rounded scraper, remove
carbon deposits from combustion
chamber. Take care to avoid damaging
spark plug threads. Do not use a sharp
instrument. Avoid scratching the al-
uminum.
2-11
NOTE: - - - - - - - - - - - -
When the cylinder head is installed on the
cylinder, the D-ring may easily fall off the
cylinder.
'It
is advisable, therefore, to coat the
D-ring groove sparingly with grease before
this procedure.
16. Intake 'manifold installation
a. Clean the mating surfaces of cylinder
and intake manifold.
b. Coat the mating surfaces of cylinder and
intake manifold with YAMAHA BDN D
#4 and install new intake manifold gas-
kets.