Echo PB-250 - Manual (Page 23)

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MODEL ---------------------------------------------------- PB-250 hand held
Length ------------------------------------------------------ 230 mm (9.1 in.) (w/o pipes)
Width -------------------------------------------------------- 330 mm (13.0 in.)
Height ------------------------------------------------------- 345 mm (13.6 in.)
Weight (dry) ------------------------------------------------ 4.0 kg (8.8 lb.)
Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine
Displacement ----------------------------------------------- 25.4cc (1.55 cu. in.)
Bore ---------------------------------------------------------- 34.0 mm (1.34 in.)
Stroke -------------------------------------------------------- 28.0 mm (1.10 in.)
Carburetor--------------------------------------------------- Diaphragm model w/primer bulb
Ignition System -------------------------------------------- Flywheel Magneto, capacitor discharge ignition type
Spark Plug -------------------------------------------------- NGK BPM8Y Gap 0.65 mm (0.026 in.)
Exhaust System -------------------------------------------- Spark arrestor muffler or spark arrestor muffler with catalyst
Fuel ---------------------------------------------------------- Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio ---------------------------------------------- 50 : 1 Power Blend X ™ 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 ™ Premium Universal 2-Stroke Oil
Fuel Tank Capacity ---------------------------------------- 0.47 lit. (15.9 US fl. oz.)
Recoil Starter System ------------------------------------- Automatic Recoil Starter Centrifugal Type
Idle Speed (RPM) ------------------------------------------ 3,000
Wide Open Throttle Speed (RPM) ---------------------- 7,100
Average Air Speed w/pipes (MPH) ---------------------- 61.24 m/sec (137 mph)
Maximum Air Speed w/pipes (MPH) ------------------- 73.76 m/sec (165 mph)
Maximum Air Volume ------------------------------------ 11.07 m
3/ min. (391 cu. ft./min.)
Sound Level at 50 ft. dB(A) scale per ANSI B175.2 - 65 dB(A)