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X7502310207
© 5/2013 ECHO Inc.
SPECIFICATIONS
SRM-280/S
SPECIFICATIONS
MODEL
SRM-280
SRM-280 S
Length
1802 mm (70.94 in.)
Width
246 mm (9.69 in.)
Height
349 mm (13.74 in.)
Weight (dry) w/o cutter head
5.57 kg (12.3 lb.)
5.50 kg (12.1 lb.)
Engine Type
Air cooled, two-stroke, single cylinder gasoline engine
Bore
34.0 mm (1.34 in.)
Stroke
31.0 mm (1.22 in.)
Displacement
28.1 cc (1.71 cu. in.)
Exhaust
Spark arrestor muffler or spark arrestor muffler with catalyst
Carburetor
Diaphragm w/purge pump
Ignition System
Flywheel magneto, capacitor discharge ignition type
Spark Plug
NGK BPM-8Y (Gap 0.65 mm (0.026 in.)
Fuel
Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio
50 : 1 Power Blend X
TM
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD,
two-stroke, air-cooled engine oil.
Gasoline
Use 89 Octane unleaded. Do not use fuel containing methyl alcohol, more than 10%
ethyl alcohol or 15% MTBE. Do not use alternative fuels such as E-15 or E-85.
Oil
Power Blend X
TM
Premium Universal 2-Stroke Oil
Fuel Tank Capacity
0.64 lit. (21.6 US fl. oz.)
Starter System
Automatic Rewind Starter
Clutch
Centrifugal Type
Vibration Isolated System
Rubber cushion on engine mount (heavy duty). Rubber grip on front handle.
Operating Rod
25.0 mm aluminum Tube
Drive Shaft
6.35 mm (1/4 in.) flexible shaft
7.0 mm hollow shaft
Gear Case Ratio
1.4:1 Reduction
Rotating Direction
Counter Clockwise; viewed from top
Cutter Head
Speed Feed® 450 LH Nylon line head, Line capacity 6 m (20 ft.)
Handle
Front - loop, Rear handle (w/o rubber)
Shoulder Harness
Optional
Idle Speed
2,800 RPM
Clutch Engagement Speed
3,750 RPM
Wide Open Throttle Speed (W.O.T.)
9,700 RPM