Download CS-4400, CS-5100

CS-4400
CS-5100
3
SERVICE INFORMATION
1-2 Technical data
Model
Engine
Idling speed
r/min
Operating speed*
r/min
High speed (No load full throttle)*
r/min
Clutch engagement speed*
r/min
Compression pressure
MPa (kgf/cm2) (psi)
Ignition system
Spark plug gap
mm(in)
Minimum secondary voltage
kV
(CS-4400 at 800 r/min, CS-5100 at 1500 r/min)
Secondary coil resistance
kΩ
Pole shoe air gaps
mm (in)
Ignition timing
at 800 r/min
°BTDC
at 1500 r/min
°BTDC
at 3000 r/min
°BTDC
at 10000 r/min
°BTDC
Carburettor
Idle adjust screw initial setting
turns in**
L mixture needle initial setting
turns back
H mixture needle initial setting
turns back
Test Pressure, minimum
MPa (kgf/cm2) (psi)
Metering lever height
mm(in)
Chain oil discharge volume at 7000 r/ min
mL/min(U.S.fl.oz./min)
CS-4400
CS-5100
2300 - 2800
9500 - 10500
11500 - 13000
3500 - 4000
1.05 (10.5) (146)
2300 - 2800
10500 - 11000
12500 - 13500
3500 - 4000
1.00 (10.2) (145)
0.6 - 0.7 (0.024 - 0.028)
14.5
23.0
1.7 - 2.2
0.30 - 0.40 (0.012 - 0.016)
14.5
----17
18.5
28
1 1/2
1 1/4
3
2
1 1/2
2 1/4
0.05 (0.5) (7.0)
1.65 (0.065) lower than diaphragm seat
Adjustable: 1.5 - 13 (0.05 - 0.40)
(Factory set 7 mL/min)
BTDC: Before top dead centre.
*With guide bar and saw chain.
**Set idle adjust screw to contact throttle plate before initial setting.