Technical Data - Echo CS-2511WES Service Manual

CS-2511WES
251Ws
1-1 Specifications (continued)
Cutting devices
Guide bar Type
Called length
Gauge
Saw chain Type
Number of drive links
Pitch
Gauge
Sprocket Number of teeth
Pitch
Cutting devices
Guide bar Type
Called length
Gauge
Saw chain Type
Number of drive links
Pitch
Gauge
Sprocket Number of teeth
Pitch

1-2 Technical data

Engine
Compression pressure
Clutch engagement speed
Ignition system
Spark plug gap
Spark test Tester gap w/ spark plug
Tester gap w/o spark plug
Secondary coil resistance
Pole shoe air gaps
Ignition timing
Carburetor
Test Pressure, minimum
Metering lever height
Tool to adjust mixture needles
Chain oil discharge volume
BTDC: Before top dead center
SERVICE INFORMATION
C20S91-35SA
cm 20
in
35
in
in
in
C20SA4-52CL
cm
in
in
in
in
2
MPa (kgf/cm
mm(in)
mm(in)
mm(in)
mm(in)
at 1,000 r/min °BTDC
at 3,000 r/min °BTDC
at 10,000 r/min °BTDC
2
MPa (kgf/cm
mm(in)
mL/min (UK.fl.oz./min)
Sprocket nose bar
C25S91-40SL
25
0.050
Carlton N1C-BL, OREGON 91PX
40
3/8
0.050
6
3/8
Carving bar
C20HA4-52CL
20
0.043
SUGIHARA A4S
52
1/4
0.043
8
1/4
) (psi) 1.03 (10.5) (150)
r/min
0.6 - 0.7 (0.024 - 0.028)
Ω
0.3 - 0.4 (0.012 - 0.016)
) (psi)
1.65 (0.06) lower than diaphragm seat
D-shaped tool (L) P/N X645-000031
Adjustable: 1.5 - 13 (0.05 - 0.46)
(Factory set: 6 mL/min)
C30S91-47ML
30
47
C25SA4-60CL C25HA4-60CL
25
60
4,400
4.0 (0.16)
6.0 (0.24)
960 - 1,000
9
9
30
0.05 (0.5) (7.0)
3