Echo SRM-225U Serial S79012004906 - S79012999999 - Manual (Page 35)

SRM-225U SPECIFICATIONS
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© 3/2014 ECHO Inc.
SPECIFICATIONS
MODEL SRM-225U
Length 1793 mm (70.6 in.)
Width 700 mm (27.5 in.)
Height 510 mm (20.1 in.)
Weight (dry) w/Cutter Head 5.98 kg (13.2 lb.)
Engine Type Air cooled, two-stroke, single cylinder gasoline engine
Bore 32.2 mm (1.27 in.)
Stroke 26.0 mm (1.02 in.)
Displacement 21.2 cc (1.29 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 0.44 lit. (14.9 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
Gear Case Ratio 1.4:1 Reduction
Rotating Direction Counter Clockwise; viewed from top
Cutter Head Speed Feed® Nylon line head (2-line) with .095 Crossfire TM Line capacity 6m (20 ft.)
Handle U-Handle
Shoulder Harness Standard
Idle Speed 2,750 RPM
Clutch Engagement Speed 3,800 RPM
Wide Open Throttle Speed (W.O.T.) 8,150 RPM