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GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
13
SPECIFICATIONS
* Install and use U-Handle when operating any model with blade.
**The RPM range shown applies for all attachments. Refer to your attachment Operator's Manual "Specifications"
section for proper RPM specifications.
MODEL
SRM-2100SB
SRM-2400SB
Shaft Length
1500 mm (59 in.)
Unit Width
330 mm (13.0 in.)
Unit Height 300 mm (11.8 in.) 360 mm (12.4 in.)
Weight (dry) w/cutting
attachment
5.4 kg (11.9 lb.) 5.6 kg (12.4 lb.)
Engine Type Air cooled, two-stroke, single cylinder gasoline engine
Bore 32.2 mm (1.27 in.) 34.0 mm (1.34 in.)
Stroke
26.0 mm (1.04 in.)
Displacement 21.2 cc (1.29 cu. in.) 23.6 cc (1.44 cu. in.)
Exhaust System Spark Arrestor Muffler
Carburetor Zama Diaphragm model C1U w/purge Walbro Diaphragm model WYJ w/purge
Ignition System CDI (capacitor discharge ignition)
Spark Plug NGK BPM-7A Gap 0.65 mm (0.026 in.) NGK BPM-7Y Gap 0.65 mm (0.026 in.)
Fuel Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio 50:1 ECHO High Performance, two-stroke air cooled engine oil
Gasoline
89 Octane unleaded. DO NOT use fuel containing methyl alcohol,
more than 10% ethyl alcohol or 15% MTBE.
Oil 50:1 ECHO High Performance, two-stroke air cooled engine oil
Fuel Tank Capacity
0.4 lit. (14.0 US fl. oz.)
Starter S ystem Automatic Recoil Starter
Clutch Centrifugal Type
Drive Shaft (upper & lower) 1/4 in. Flex Shaft
Rotating Direction Counter clockwise viewed from top
Cutting Attachment Nylon line head (2-line) with .095 in. Cross Fire
TM
line capacity 13 m (40 ft.)
Handles* Front - Loop, Rear - Grip, when operating with standard line head
Shoulder Harness Optional
Idle Speed (RPM) 2700 - 3300
Wide Open Throttle
Speed (**RPM)
8300 - 9500