SERVICE INFORMATION
SRM-2305
SRM-2305SI
2
1 SERVICE INFORMATION
1-1 Specifications
Model
SRM-2305 (L) SRM-2305 (U) SRM-2305SI(L) SRM-2305SI(U)
Dimensions Length*
mm(in) 1755 (69.1)
1760 (69.3)
1785 (70.3)
1790 (70.5)
Width
mm(in)
355 (14.0)
690 (27.2)
355 (14.0)
690 (27.2)
Height
mm(in)
340 (13.4)
455 (17.9)
340 (13.4)
455 (17.9)
Dry weight **
kg(lb)
5.6 (12.3)
6.0 (13.2)
5.8 (12.8)
6.2 (13.7)
Engine
Type
KIORITZ, air-cooled, two-stroke, single cylinder
Rotation
Anticlockwise as viewed from the output end
Displacement
cm
3
(in
3
)
21.2 (1.294)
Bore
mm(in)
32.2 (1.268)
Stroke
mm(in)
26.0 (1.024)
Compression ratio
6.8
Carburettor
Type
Diaphragm, horizontal-draught, with primer (purge bulb)
Model
ZAMA C1U-K53B
Venturi size-Throttle bore mm(in)
8.5 - 12.7 (0.33 - 1/2)
Ignition
Type
CDI (Capacitor discharge ignition) system
Spark plug
BPMR7A
Starter
Type
Automatic rewind
-start
Rope diameter x length
mm(in)
3.0 x 1000 (0.12 x 39.4)
3.0 x 920 (0.12 x 36.2)
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.)
0.4 (13.5)
Clutch
Type
Centrifugal, 2 - shoe slide
Handle
Type
Front Slant D-Loop
U-shaped
Slant D-Loop
U-shaped
Rear
Integrated control
- - -
Integrated control
- - -
grip w/cushion
grip w/cushion
Drive shaft
Type
Solid
Inner shaft: Diameter - Length
mm(in)
6 - 1538 (0.24 - 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.
