Echo SRM-225 specifications Specifications, Model

SPECIFICATIONS	SRM-225
SPECIFICATIONS
MODEL	SRM-225
Length w/o cutter head	1793 mm (70.6 in.)
Width	251 mm (9.88 in.)
Height	328 mm (12.9 in.)
Weight (dry) w/o cutter head	5.5 kg (12.1 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 XTM 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 XTM 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® 400 LH Nylon line head, Line capacity 6.0 m (20 ft.)
Handle	Front - loop, Rear handle (w/o rubber)
Shoulder Harness	Optional
Idle Speed	2,750 RPM
Clutch Engagement Speed	3,850 RPM
Wide Open Throttle Speed (W.O.T.)	8,150 RPM

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