Echo CS-271T Service Manual

SERVICE INFORMATION
CS-271T
5
Description mm (in)
A Cylinder bore When plating is worn and aluminum can be seen
B
Piston outer diameter Min. 34. 91 (1.374)
C
Piston pin bore Max. 8. 035 (0.3163)
D
Piston ring groove Max. 1. 6 (0.063)
E
Piston ring side clearance Max. 0. 1 (0.004)
F
Piston pin outer diameter Min. 7. 98 (0.3142)
G
Piston ring width Min. 1. 45 (0.057)
H
Piston ring end gap Max. 0. 5 (0.02)
K
Con-rod small end bore Max. 12. 00 (0.4724)
L
Crankshaft runout Max. 0. 02 (0.001)
M
Sprocket bore Max. 12. 80 (0.5039)
N
Clutch drum bore Max. 55. 5 (2.19)
P
Sprocket wear limit Max. 0. 5 (0.02)
1-5 ServiceLimits
5K177 5K083 5K084 5K081
5K082 5K016 5K025
5K174 5K097
5K178
5K173
5K190 5K191
A B C D
F G H
K L M P
N
E

Echo CS-271T Specifications

General

Engine Displacement	26.9 cc
Bar Length	12 inches
Chain Pitch	3/8 inch
Fuel Capacity	0.21 L
Chain Oil Type	Bar and chain oil
Chain Gauge	0.050 inch
Oil Capacity	160 ml