Echo CS-8002 - Manual (Page 3)

SERVICE INFORMATION CS-8001
3
1-2 Technical data
Engine
Idling speed r/min 2300 - 3300
Operating speed r/min 9000 - 9500
Wide open throttle speed* r/min 11500 - 12500
Clutch engagement speed r/min 3500 - 4000
Compression pressure MPa (kgf/cm 2 ) (psi) 0.98 (10.0) (142)
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 800 r/min kV 15
Secondary coil resistance k
Ω
1.8 - 2.2
Pole shoe air gaps mm (in) 0.3 - 0.4 (0.012 - 0.016)
Ignition timing at 1200 r/min
°
BTDC 10
at 3000 r/min
°
BTDC 14.5
at 10000 r/min
°
BTDC 25
Carburettor
Idle adjust screw initial setting turn in** 2
L mixture needle initial setting turns back 2 3/8
H mixture needle initial setting turns back 3 3/8
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 7000 r/ min Adjustable: 3 - 13 (0.09 - 0.39)
mL/min(U.S.fl.oz./min) (Factory set 8mL/min)
BTDC: Before top dead centre.
*With 50cm guide bar and saw chain.
**Set idle adjust screw to contact throttle plate before initial setting.