Specifications - Echo SRM-4605 Operator's Manual

Mass:
Unit without fuel, cutting attachment and shield (ISO11806)
Volume: Fuel tank
Cutting attachment: (option)
Blade centre hole diameter
Blade rotational speed at maximum allowable engine speed
Thread
Gear ratio: Gear ratio and lubrication
Rotational direction of output shaft seen from above:
External dimensions: Length × Width × Height
Engine:
Type
Engine displacement
Maximum shaft brake power,
measured in accordance with ISO 8893
Engine speed at maximum engine power
Recommended maximum engine speed
Recommended engine idling speed
Carburettor
Ignition
Spark plug
Starter
Clutch
Fuel:
Oil
Ratio
Fuel consumption at maximum engine power
Specific fuel consumption at maximum engine power

Specifications

Model
kg 7.8
L 0.95
mm 25.4
r/min 10000
Left-handed M10 x 1.25
1.33 reduction and good quality lithium grease
Anticlockwise
mm 1817 × 693 × 428
Air cooled two stroke single cylinder
3
mL (cm ) 45.7
kW 1.8
r/min 7500
r/min 12000
r/min 2900
Diaphragm type
Flywheel magneto, CDI system
NGK BPM7A
Recoil starter
Automatic centrifugal clutch
Regular grade petrol.
Minimum 89 Octane unleaded petrol is recommended.
Do not use fuel containing methyl alcohol or more than
10 % of ethyl alcohol.
Two stroke, air-cooled engine oil.
50 : 1 (2 %) for ISO-L-EGD Standard (ISO/CD13738),
JASO FC, FD grade and ECHO Premium 50 : 1 oil or
25 : 1 (4 %) for JASO FB grade oil.
L/h 1.40
g/(kW•h) 583
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