SERVICE INFORMATION
SRM-265ES
3
1-2 Technical data
Model
SRM-265ES (L)
SRM-265ES (U)
Engine
Idling speed
r/min
2600 - 3200
Wide open throttle speed
r/min
9400 - 10400*
10200 - 11200**
Clutch engagement speed
r/min
3600 - 4200
Compression pressure
MPa (kgf/cm
2
) (psi)
0.99 (10.1) (143)
Ignition system
Spark plug gap
mm (in)
0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 1500 r/min
kV
15
Primary coil resistance
Ω
320 - 420
Secondary coil resistance
k
Ω
2.7 - 3.3
Pole shoe air gaps
mm (in)
0.30 - 0.40 (0.012 - 0.016)
Ignition timing
at 2000 r/min
°
BTDC
7
at 3000 r/min
°
BTDC
5
at 8000 r/min
°
BTDC
28
at 11000 r/min
°
BTDC
22
Carburettor
Venturi Size
mm(in)
10.5 (0.413)
Throttle Bore
mm(in)
10.5 (0.413)
Idle adjust screw initial setting
turn in***
3 1/4
Idle mixture needle initial setting
turn back
1 1/2
Hi speed H mixture needle initial setting turn back
1 1/2
Test Pressure, minimum
MPa (kgf/cm
2
) (psi)
0.05 (0.5) (7.0)
Metering lever height
mm (in)
0.1-0.25 (0.004-0.01) lower than diaphragm seat
BTDC: Before top dead centre.
*With Nylon line cutter and shield.
**With 3-tooth blade (230 mm).
*** Set idle adjust screw to the point that its tip just contacts throttle plate before initial setting.