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 cm3(in3) 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.
