Echo CS-610 Service Data - page 3
1-2 Technical data
Engine
Idling
speed
r/min
2,800
-
200
+ 400
Wide open throttle speed*
r/min
11,800 - 12,800
Clutch engagement speed
r/min
4,000
Engagement
Minimum
†
r/min
3,500
Compression pressure
MPa (kgf/cm
2
) (psi)
1.01 (10.3) (146)
Ignition system
Spark plug gap
mm(in)
0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 1,500 r/min
kV
15
Primary coil resistance
kΩ 117
- 121
Secondary coil resistance
kΩ
2.5 - 2.9
Pole shoe air gaps
mm (in)
0.30 - 0.40 (0.012 - 0.016)
Ignition timing
at 3,000 r/min
°BTDC
6
at 8,000 r/min
°BTDC
24
at 10,000 r/min
°BTDC
30
at 12,000 r/min
°BTDC
27
PET-9000
Parameter
1
332
Parameter
2
05
Carburettor
Idle adjust screw initial setting
turn in**
1
L mixture needle initial setting
turns out***
1 3/4
H mixture needle initial setting
turns out***
3/4
Test Pressure, minimum
MPa (kgf/cm
2
) (psi)
0.05 (0.5) (7.0)
Metering lever height
mm(in)
Flush with diaphragm seat
Chain oil discharge volume at 7,000 r/min
Adjustable 1.5 - 13 (0.05 - 0.39)
mL/min(U.S.fl .oz./min)
(Factory set 7.0 mL/min)
BTDC: Before top dead centre.
*With 50 cm guide bar and properly adjusted saw chain.
**Set idle adjust screw to the point that its tip just contacts throttle plate before initial setting.
***Turn L/H mixture needles anticlockwise from point that needle is lightly seated.
†
If clutch engagement speed is lower than minimum clutch engagement speed, replace clutch assembly with
new one.
SERVICE INFORMATION
CS-610
3