Use and Care Manual

SPECIFICATIONS EB770RT
38 X7531127000
© 10/19 ECHO Incorporated
SPECIFICATIONS
MODEL EB770 RT
Length 1520 mm (59.8 in.) (with blower pipes)
Width 525 mm (20.7 in.)
Height 475 mm (18.7 in.)
Weight (dry) 11 kg (24.3 lb.) (with blower pipes)
Engine Type Air cooled, two-stroke, single cylinder gasoline engine
Bore 48.0 mm (1.9 in.)
Stroke 35.0 mm (1.4 in.)
Displacement 63.3 cm3 (3.9 in3)
Exhaust
Spark arrestor muffler or spark arrestor muffler with
catalyst
Carburetor Diaphragm with purge pump
Ignition System Flywheel magneto, capacitor discharge ignition type
Spark Plug NGK BPMR8Y - Gap 0.65 mm (0.026 in.)
Fuel Mixed (Gasoline and Two-stroke Oil)
Gasoline/Oil Ratio 50:1
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
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD
,
two-stroke, air-cooled engine oil.
Fuel Tank Capacity 2.02 l (62 US fl. oz.)
Starter System Automatic Recoil Starter, centrifugal type
Idle Speed 2,500 RPM
Wide Open Throttle Speed
(W.O.T.)
6,700 RPM
Maximum Air Speed with
pipes (MPH)
104.6 m/sec (234 mph)
Air Volume 21.5 m3 /min. (756 ft.3/min.)
Sound Level at 15m (50 ft.)
dB(A) scale per ANSI
OPEI B175.2
74 dB(A)