Echo HC-155 - Manual (Page 27)

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MODEL ------------------------------------------HC-155-20 ...................................... HC-155-24
Length ---------------------------------------------1,052 mm (41.4 in.) ........................ 1,154 mm (45.4 in.)
Width ----------------------------------------------272 mm (10.7 in.)
Height ---------------------------------------------201mm (7.9 in.)
Weight, dry ---------------------------------------5.2 kg (11.5 lb.)
Type of Engine -----------------------------------Air cooled, two-stroke, single cylinder, gasoline engine
Displacement -------------------------------------21.2 cc (1.29 cu.in.)
Bore ------------------------------------------------32.2 mm (1.27 in.)
Stroke ----------------------------------------------26.0 mm (1.02 in.)
Exhaust System ----------------------------------Spark arrestor muffler or spark arrestor muffler with catalyst
Carburetor-----------------------------------------Zama w/purge
Ignition System ----------------------------------Flywheel Magneto, Capacitor discharge ignition
Spark Plug ----------------------------------------BPM-8Y (Gap 0.65 mm (0.026 in.)
Fuel ------------------------------------------------Mixed Fuel - gasoline and 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 TM Premium Universal 2-Stroke Oil
Fuel Tank Capacity ------------------------------0.5 lit. (16.9 fl. oz)
Starter System ------------------------------------Automatic Recoil Starter
Clutch----------------------------------------------Centrifugal Type
Gear Case Ratio ----------------------------------5.88:1
Cutter ----------------------------------------------Double Reciprocating Blade, Double Edge
Length -------------------------------------------516 mm (20.3 in.) ........................... 621 mm (24.4 in.)
Pitch ---------------------------------------------35 mm (1.38 in.)
Height -------------------------------------------20.4 mm (0.80 in.)
Maximum Diameter Cut
Soft Material ------------------------------------25.4 mm (1 in.)
Woody Material ---------------------------------13 mm (1/2 in.)
Idle Speed (RPM) --------------------------------3,300
Clutch Engagement Speed (RPM) -------------4,900
Wide Open Throttle (RPM) --------------------11,250
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