Technical Data - Echo SRM-2655SI Serivce Data

SRM-2655SI

1-2 Technical data

Engine
Idling speed
Operating speed
Wide open throttle speed*
Clutch engagement speed
Compression pressure
Ignition system
Spark plug gap
Minimum secondary voltage at 1000 r/min
Secondary coil resistance
Pole shoe air gaps
Ignition timing at 1000 r/min
Carburettor
Main jet
Idle adjust screw initial setting
Idle mixture needle initial setting
Test pressure, minimum
Metering lever height
BTDC: Before top dead centre.
* With two line nylon line head.
** Set idle adjust screw to contact throttle plate before initial setting.
*** Screw in idle mixture needle from initial thread engagement (at the point that the clicking sound is heard).
SERVICE INFORMATION
r/min
r/min
r/min
r/min
2
MPa (kgf/cm ) (psi)
mm (in)
kV
kΩ
mm(in)
°BTDC
turn in**
turn in***
MPa (kgf/cm 2 ) (psi)
mm (in)
2400 - 3000
7000
8500 - 10000
3100 - 3700
0.98 (9.8) (138)
0.6 - 0.7 (0.024 - 0.028)
17
12 - 13
0.3 - 0.4 (0.012 - 0.016)
25
#37
2 1/2
13 1/2
0.05 (0.5) (7.0)
1.5 (0.059) lower than diaphragm seat
3