Technical Data - Yamabiko Echo SRM-222ES Service Data

GT-222ES, SRM-222ES
F226S, T226S, C226S

1-2 Technical data

Model
Engine
Idling speed
Wide open throttle speed
Clutch engagement speed
Engagement Minimum
Compression pressure
Ignition system with stop holding function
Spark plug gap
Minimum secondary voltage at 1500 r/min
Primary coil resistance
Secondary coil resistance
Pole shoe air gaps
Ignition timing
Carburettor
Venturi Size
Throttle Bore
Idle adjust screw initial setting
L mixture needle initial setting
H mixture needle initial setting
Test Pressure, minimum
Metering lever height
BTDC: Before top dead centre.
*With Nylon line cutter and shield.
**With 3-tooth blade (230 mm).
†
If clutch engagement speed is lower than service limit speed, replace clutch assembly with new one.
SERVICE INFORMATION
†
2
MPa (kgf/cm ) (psi)
mm(in)
mm(in)
at 3,000 r/min °BTDC
at 8,000 r/min °BTDC
at 11,000 r/min °BTDC
turns out
turns out
turns out
2
MPa (kgf/cm ) (psi)
mm(in)
GT-222ES
F226S
r/min
r/min 6,700 - 7,700* 9,000 - 10,000* 10,500 - 11,500**
r/min
r/min
0.6 - 0.7 (0.024 - 0.028)
kV
Ω
kΩ
0.3 - 0.4 (0.012 - 0.016)
0.1 - 0.25 (0.004 - 0.01) lower than diaphragm seat
SRM-222ES (L) SRM-222ES (U)
T226S C226S
3,000 +/- 400
3,750
3,500
0.9 (9.1) (130)
18
320 - 420
2.7 - 3.3
18
34
14
9.0 (0.354)
10.5 (0.413)
8 7/8
3 7/8
1 1/8
0.05 (0.5) (7.0)
3