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POWR
CYLINDER
SERVICE POINTS
Cylinder inspection
1. Eliminate:
D Carbon deposits
Use a rounded scraper 1 .
2. Inspect:
D Cylinder water jacket
Mineral deposits/Corrosion ! Clean.
D Cylinder inner surface
Score marks ! Repair or replace.
Use #600 X 800 grit wet sandpaper.
3. Measure:
D Cylinder bore "D"
Use cylinder gauge.
Out of limit ! Replace.
NOTE:
Measure the cylinder bore "D" in parallel. Then,
find the average of the measurement.
81.00 X 81.02 mm
Cylinder
(3.189 X 3.190 in)
bore "D"
Taper "T"
Out of
round "R"
D = Maximum (D
T = (Maximum D
D
or D
)
5
6
R = (Maximum D
D
, D
or D
2
4
27
Standard
81.10 mm
(3.193 in)
0.08 mm
–
(0.003 in)
0.05 mm
–
(0.002 in)
– D
)
1
6
or D
) – (Maximum
1
2
, D
or D
) – (Minimum
1
3
5
)
6
Limit
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