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MODEL SRM-3100 2/2E SRM-3100S 1/1E SRM-3110 2/2E SRM-3400 1/1E
Length 1500 mm (59.0 in.) 1500 mm (59.0 in.) 1500 mm (59.1 in.) 1530 mm (60.2 in.)
Width 330 mm (13.0 in.) 330 mm (13.0 in.) 600 mm (23.6 in.) 330 mm (13.0 in.)
Height 260 mm (14.2 in.) 260 mm (14.2 in.) 420 mm (16.5 in.) 260 mm (10.2 in.)
W eight (dry) w/C utter
Head
6.3 kg (13.9 lb.) 7.0 kg (15.4 lb.) 6.8 kg (14.9 lb.) 7.1 kg (15.7 lb.)
Engine Type
Air cooled, two-stroke, single cylinder gasoline engine
Bore 36.0 mm (1.42 in.) 36.0 mm (1.42 in.) 36.0 mm (1.42 in.) 38.0 mm (1.50 in.)
Stroke 30.0mm (1.18 in.) 30.0mm (1.18 in.) 30.0mm (1.18 in.) 30.0mm (1.18 in.)
Displacement 30.5 cc (1.89 cu. in.) 30.5 cc (1.89 cu. in.) 30.5 cc (1.89 cu. in.) 34.0 cc (2.08 cu. in.)
Exhaust Spark Arrestor Muffler
Carburetor Walbro diaphragm model WT w/purge
Ignition System Flywheel magneto, capacitor discharge
Spark Plug NGK BPM-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
0.8 lit. (27.1 US fl. oz.)
Starter System Automatic Recoil Starter
Clutch Centrifugal Type
Drive Shaft 1/4" Flex Shaft
7mm Spline
Steel Shaft
1/4" Flex Shaft
8mm Spline
Steel Shaft
Rotating Direction Counter Clockwise viewed from top
C utter Head Nylon line head (2-line)
Handles* Front-Loop, Right Grip Standard on SRM-3100, 3100S, 3400
U-Handle Standard (SRM-3110)
Shoulder Harness Standard
Idle Speed 2400 - 3000 RPM
Wide Open Throttle
Speed (W.O.T.) with
Nylon Line Head
8500 - 9500 RPM
Wide Open Throttle
Speed (W.O.T.) with
Blade
9500 - 11000 RPM
SPECIFICATIONS
* Install and use U-Handle when operating any model with blade.
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