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ENG
CYLINDER AND PISTON
2. Measure:
• piston-to-cylinder clearance
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a. Measure cylinder bore “C” with the cylinder
bore gauge.
NOTE:
_
Measure cylinder bore “C” by taking side-to-
side and front-to-back measurements of the
cylinder. Then, find the average of the mea-
surements.
b. If out of specification, replace the cylinder
and the piston and piston rings as a set.
c. Measure piston skirt diameter “P” with the
micrometer.
a
10 mm (0.39 in) from the bottom edge of the pis-
ton
d. If out of specification, replace the piston and
piston rings as a set.
e. Calculate the piston-to-cylinder clearance
with the following formula.
f. If out of specification, replace the cylinder
and the piston and piston rings as a set.
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Cylinder bore “C”
100.000 ~ 100.010 mm
(3.9370 ~ 3.9374 in)
Taper limit “T”
0.05 mm (0.002 in)
Out-of-round “R”
0.05 mm (0.002 in)
“C” = maximum of D
1
~ D
2
“T” = maximum of D
1
or D
2
– maximum of
D
5
or D
6
“R” = maximum of D
1
, D
3
or D
5
– mini-
mum of D
2
, D
4
or D
6
Piston-to-cylinder clearance =
Cylinder bore “C” -
Piston skirt diameter “P”
Piston-to-cylinder clearance
0.030 ~ 0.055 mm
(0.0012 ~ 0.0022 in)
<Limit>: 0.13 mm (0.0051 in)
Содержание XT660R
Страница 1: ...2004 XT660R S XT660X S 5VK1 AE1 SERVICE MANUAL ...
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Страница 380: ...ELEC 8 ...
Страница 386: ...8 4 ELEC CHECKING SWITCH CONTINUITY ...
Страница 418: ...8 36 ELEC LIGHTING SYSTEM ...
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Страница 449: ...TRBL SHTG 9 ...
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