Yamabiko Echo SRM-2620ES - Equipment Specifications and Service Data; Specifications Overview; Engine and Ignition Technical Data

SERVICE INFORMATION
2
SRM-2620ES, SRM-2620TES
T262XS, C262S
T262TXS, C262TS
1 SERVICE INFORMATION
1-1 Specifi cations
Model
SRM-2620ES (L)
T262XS
SRM-2620TES (L)
T262TXS
SRM-2620ES (U)
C262S
SRM-2620TES (U)
C262TS
Dimensions* Length mm (in) 1778 (70.0) 1789 (70.4) 1778 (70.0) 1789 (70.4)
Width mm (in) 340 (13.4) 695 (27.4)
Height mm (in) 311 (12.2) 445 (17.5) 497 (19.6)
Dry weight* kg (lb) 6.0 (13.3) 6.2 (13.7) 6.1 (13.5) 6.4 (14.3)
Engine Type YAMABIKO, air-cooled, two-stroke, single cylinder
Rotation Anticlockwise as viewed from the output end
Displacement cm
3
(in
3
) 25.4 (1.550)
Bore mm (in) 34.0 (1.339)
Stroke mm (in) 28.0 (1.102)
Compression ratio 7.6
Carburettor Type Diaphragm, horizontal-draught
Model WALBRO WYG-9
Venturi size - Throttle bore mm (in) 10.5 - 10.5 (0.413 - 0.413)
Ignition Type
CDI (Capacitor discharge ignition) system
Digital magneto
Spark plug NGK CMR7H
Exhaust Muffl er type Spark arrester muffl er with catalyst
Starter Type ES (Effortless-Start) / S (Soft-start)
Rope diameter x length mm (in) 3.5 x 850 (0.14 x 33.5)
Fuel** Type Premixed two-stroke fuel
Mixture ratio 50 : 1 (2%)
Petrol Minimum 89 octane
Two-stroke engine oil ISO-L-EGD (ISO/CD13738), JASO FC/FD
Tank capacity Full tank capacity: 0.6 (20.3)
L (U.S.fl .oz.) Usable capacity: 0.52 (17.6)
Clutch Type Centrifugal, 2-shoe pivot
Handle Type
Front Crescent loop w/ cushion grip
U-handle w/ integrated
control grip
Rear
Integrated control grip w/ cushion
Drive shaft Type Solid type with spline (7-tooth)
Diameter - Length mm (in) 7 - 1540 (0.27 - 60.62)
Housing OD - ID mm (in) 25.0 - 22.0 (0.98 - 0.87)
Length mm (in) 1500 (59.1)
Gear case Reduction ratio 1.36 2.07 1.36 2.07
Gear tooth Spiral bevel gear
Lubrication Lithium based grease
Cutter Type
Nylon line
cutter F4
Nylon line
cutter Z5
Nylon line
cutter F4
Nylon line
cutter Z5
3-tooth blade
(230 mm)
Pilot diameter for blade mm (in) 25.4 (1.0)
Fastener type, size mm Left-hand thread nut, M10 x 1.25 pitch
Cutting rotation Anticlockwise as viewed from top
OD: Outer diameter. ID: Inner diameter.
* Without shoulder harness and cutter. ** Refer to Operator’s manual.