G
RASS
T
RIMMER
/B
RUSH
C
UTTER
O
PERATOR
'
S
M
ANUAL
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
attachm ent
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.)
D isplacem ent 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 BPMR-7A Gap 0.65 mm (0.026 in.) NGK BPMR-7A 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 System 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
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