Echo ES-250 specifications Specifications, Model

ES-250	SPECIFICATIONS
SPECIFICATIONS
MODEL	ES-250
Length	330 mm (13.0 in.) ( w/o pipes)
Width	280 mm (11.0 in.)
Height	345 mm (13.6 in.)
Weight (dry)	4.3 kg (9.5 lb.)
Engine Type	Air cooled, two-stroke, single cylinder gasoline engine
Bore	34.0 mm (1.34 in.)
Stroke	28.0 mm (1.1 in.)
Displacement	25.4 cc (1.55 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	0.47 lit. (15.9 US fl. oz.)
Starter System	Automatic Rrecoil Starter, centrifugal type
Idle Speed	3,000 RPM
Wide Open Throttle Speed (W.O.T.)	7,100 RPM
Average Air Speed w/pipes (MPH)	61.24 m/sec (137 mph)
Maximum Air Speed w/pipes (MPH)	73.76 m/sec (165 mph)
Air Volume	11.07 m3/min. (391 cu. ft./min.)
Sound Level at 50 ft. dB(A) scale per	70 dB(A)
ANSI B175.265 dB(A)

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