2 SERVICE
INFORMATION
SRM-210058
SRM-240058
1 SERVICE INFORMATION
1-1 Specifications
Model SRM-2100SB
SRM-2400SB
Dimensions*Length
mm(in) 1770 (69.7)
1770
(
69.7
)
Width mm(in) 300 (11.8) 300
(
11.8
)
Height mm(in) 330 (13.0) 330
(
13.0
)
Dry weight
kg(lb)
5.6
{12.3)t
5.7
(12.6)t
Engine Type KIORITZ, air-cooled, two-stroke, single
cylinder
Rotation Counterclockwise as viewed from the output
end
Displacement cm
3
(in
3
) 21.2 (1.294) 23.6
(1.440)
Bore mm(in) 32.2 (1.268) 34.0 (1.339
)
Stroke mm(in) 26.0 {1.024) 26.0
(
1.024
)
Compression
ratio 6.5
6.3
Carburetor Type Diaphragm,
horizontal-draught,
with
primer
Model
ZAMAC1U
WalbroWT
Ignition Type CDI (Capacitor discharge ignition)
system
in a single integrated
piece
Spark plug BPM7A, BPMR7A,
CJ-7Y
Starter Type Automatic
rewind
Rope diameter x length mm(in) 3.0
X
890 (0.12
X
35.0) 3.0
X
1000 (0.12
X
39.4}
Fuel Type Premixed two-stroke fuel (Refer to Operator's manual.
)
Tank capacity cm3(U.S.fl.oz.) 420
(14.2)
Clutch Type Centrifugal, 2-shoe
slide
Handle Type Front D-loop with cushion
grip
Rear Integrated control
grip
Drive shaft Type
Flexible
Diameter mm(in)
6.15(1/4)
Length Front mm(in) 752
(
29.6
)
Rear
mm(in)
806.2 (31.74) with
coupling
Lubrication Lithium based
grease
Housing
OD-ID
mm(in)
25-
22
(0.98-
7/8)
(Main pipe)
Front mm(in) 738
(29.1)
Length
Rear
mm(in)
756
(29.8)
Gear case Reduction ratio
1.36
Gear tooth Spiral bevel
gear
Lubrication Lithium based
grease
Cutter Type Nylon line cutter, 8-tooth blade**, 80-tooth blade**,
Others
Pilot diameter mm(in) 20.0 (0.79)
Option
Fastener type, size mm Left-hand thread nut, M10 x 1.25
pitch
Cutting rotation
Counterclockwise
as viewed from
top
Attachment (Option) Edger, Tiller/Cultivator, Hedge clipper, Power
pruner
Shoulder harness, U-handle
kit
OD: Outer
diameter.
*Without shoulder harness and Nylon line
head
ID: Inner
diameter.
tWithout
shoulder harness, with STD Nylon line
head.
**Install and use U-shaped handle and metal blade kit when operating any model with
blade.
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