Nomenclature of parts technical data – Echo SRM-400U User Manual
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4
SRM-400U
Dimension
L × W × H
cm
186 Ч 70Ч 43 (73.2 in × 27.6 in × 16.9 in)
Mass
kg
9.9 (21.8 lb): without shoulder harness and cutter head
Engine
Type
Air cooled two stroke single cylinder
Displacement
mL (cm³)
42.7 (2.6 cu.in)
Maximum
revolution
r/min
10,000
Carburetor
Walbro diaphragm type WYK
Ignition
Flywheel magneto: CDI (Capacitor Discharge Ignition)
system
Spark plug
CHAMPION RCJ-6Y
Starter
Recoil starter
Clutch
Automatic centrifugal clutch
Fuel
Mixing ratio
50 : 1 ratio with ECHO Power Blend X™, ISO-L- EGD
(ISO/CD 13738) and JASO M345-FC/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-20 or E-85.
Tank capacity
L
1.0 (33.8 US fl. oz.)
Drive shaft
Cutter (Option)
Nylon line cutter head
assembly
Cutter
Circular saw, 25 cm (10 in)
Cutter (Option)
8 cutter blade, 20 cm (8 in)
Gear housing
60 degree bevel gears, ratio 1 : 1.33 (Counterclockwise)
Lubrication
Good quality lithium grease
Drive shaft
High tensile solid steel, 5 bearings
Shield
Metal shield mounted on the gear housing for nylon line
and metal blade applications.
NOMENCLATURE OF PARTS
TECHNICAL DATA
Spark plug
Decompression device
Muffler
Choke lever
Air cleaner cover
Starter handle
Fuel tank
Gear housing
Ignition switch
Drive shaft assembly
Shield
Shoulder harness
Throttle trigger
Grip
Part number 890177-51330
Part number 890317-49030
Technical data subject to change without notice.