65
SRM-4000/5000
E
N
G
L
I
S
H
D
E
U
T
S
C
H
I
T
A
L
I
A
N
O
Mass :
unit without cutting attachment, empty tank kg 8.3 8.6 8.4 8.7
unit with specified cutting attachment, empty tank kg 8.6 9.0 8.7 9.1
unit with specified cutting attachment, full tank kg 9.3 9.7 9.4 9.8
Volume :
fuel tank L 1.0
Cutting attachment :
nylon line head DS-5 - DS-5 -
line diameter mm 3.0 - 3.0 -
line length m 3 × 1 line - 3 × 1 line -
thread Left-handed - Left-handed -
M10 × 1.25 M10 × 1.25
specified blade diameter mm - 255 - 255
specified blade thickness mm - 2.0 - 2.0
number of cutting teeth - 3 - 3
blade centre hole diameter mm - 25.4 - 25.4
blade rotational speed at maximum allowable
engine speed r/min - 7895 - 8270
Gear ratio : gear ratio and lubrication 1.33 reduction and good quality lithium grease
Rotational direction of output shaft seen from above : Anticlockwise
External dimensions :
length mm 1860 1860 1860 1860
width mm 355 655 355 655
height mm 324 460 280 460
Engine :
type Air cooled two stroke single cylinder
engine displacement mL (cm
3
) 42.7 51.7
maximum shaft brake power, measured in
accordance kW 1.68 1.8
engine speed at maximum engine power r/min 8000 8500
recommended maximum engine speed r/min 9300 10500 9800 11000
output shaft speed r/min -
recommended engine idling speed r/min 2500
carburettor Diaphragm type
ignition Flywheel magneto - C.D.I. system
spark plug CHAMPION RCJ-6Y
starter Recoil starter
clutch Automatic centrifugal clutch
Fuel : Regular grade petrol. Minimum 89 Octane
unleaded petrol is recommended. Do not use fuel
containing methyl alcohol or more than 10 % of
ethyl alcohol.
oil Two stroke, air-cooled engine oil. ISO-L-EGD
Standard (ISO/CD 13738), JASO FC,FD grade and
ECHO Premium 50 : 1 oil.
ratio 50 : 1 (2 %)
fuel consumption at maximum engine power L/h 1.2 1.24
specific fuel consumption at maximum
engine power g/(kW·h) 400 510
Sound pressure level : (ISO 22868) LpAeq dB(A) 93.1 92.3 98 95
Guaranteed sound power level :
(ISO22868) LWAeq dB(A) 110 108 113 111
Vibration levels : (ISO 22867)
idling m/s
2
4.4 2.7 4.4 3.5
racing m/s
2
6.2 2.8 6.9 3.3
SPECIFICATIONS
SRM-4000 SRM-5000
L UL U
GB
Specifications, descriptions and illustrative material in
this literature are as accurate as known at the time of
publication, but are subject to change without notice.
Illustrations may include optional equipment and
accessories, and may not include all standard
equipment.
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