Echo SRM-2655SI - Manual (Page 2)

SERVICE INFORMATION SRM-2655SI
2
1 SERVICE INFORMATION
1-1 Specifications
Model SRM-2655SI(L) SRM-2655SI(U)
Dimensions Length* mm(in) 1785 (70.3) 1790 (70.5)
Width mm(in) 360 (14.2) 690 (27.2)
Height mm(in) 350 (13.8) 460 (18.1)
Dry weight ** kg(lb) 5.9 (13.0) 6.5 (14.3)
Engine Type KIORITZ, 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 6.3
Carburettor Type Rotary valve type: Diaphragm, horizontal-draught, with primer (purge bulb)
Model Walbro WYJ-192A
Venturi size-Throttle bore mm(in) 10.5 - 10.5 (0.41 - 0.41)
Ignition Type TCI (Transistor controlled ignition) system
in a single integrated piece
Spark plug BPMR7A
Starter Type - start
Rope diameter x length mm(in) 3.0 x 920 (0.12 x 36.22)
Fuel Type Premixed two-stroke fuel
Mixture ratio 50 : 1 (2 %)
Petrol Minimum 89 octane petrol (RON)
Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC
Tank capacity L (U.S.fl.oz.) 0.64 (21.6)
Clutch Type Centrifugal, 2 - shoe pivot
Handle Type Front Crescent loop U-shaped U-shaped
w/cushion grip
Rear Integrated control - - - - - -
grip w/cushion
Drive shaft Type Solid
Diameter - Length mm(in) 7 - 1540 (0.28 - 60.6)
Housing OD -ID mm(in) 25 - 22 (0.98 -0.87)
(Main pipe) Length mm(in) 1500 (59.1)
Gear case Reduction ratio 1.36
Gear tooth Spiral bevel gear
Lubrication Lithium based grease
Cutter Type Nylon line cutter, 3-tooth blade † , Others
Pilot diameter 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 head. ** With standard cutter head, without shoulder harness.
† Install and use U-shaped handle when operating with steel blade.