Echo SRM-350ES User Manual
Page 5
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SERVICE INFORMATION
SRM-330ES
SRM-350ES
5
5K223
5K224
5K225
5K016
5K042
5K222
0
5
10
1
2
3
4
5
6
7
8
9
10
11
5K189
5K219
5K220
5K254
5K255
1-5 Service limits
A
B
C
D
E
F
G
H
K
L
M
mm (in)
Description
SRM-330ES
SRM-350ES
A
Cylinder bore
When plating is worn and aluminium can be seen
B
Piston outer diameter
Min.
35.90 (1.413)
37.90 (1.491)
C
Piston pin bore
Max.
9.03 (0.355)
9.03 (0.355)
D
Piston ring groove
Max.
1.55 (0.061)
1.3 (0.051)
E
Piston ring side clearance
Max.
0.05 (0.002)
0.1 (0.004)
F
Piston pin outer diameter
Min.
8.98 (0.354)
8.98 (0.354)
G
Piston ring width
Min.
1.45 (0.057)
1.15 (0.045)
H
Piston ring end gap
Max.
0.5 (0.02)
0.5 (0.02)
K
Con-rod small end bore
Max.
12.03 (0.473)
12.03 (0.473)
L
Crankshaft runout
Max.
0.05 (0.002)
0.05 (0.002)
M
Clutch drum bore
Max.
71.5 (2.81)
71.5 (2.81)
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