2
SERVICE INFORMATION
HC-331ES
HC-341ES
1 SERVICE INFORMATION
1-1 Speci
fi
cations
Model HC-331ES
HC-341ES
Dimensions Length
mm(in)
1130 (44.5)
1375 (54.1)
Width
mm(in)
315
(12.4)
Height
mm(in)
210
(8.26)
Dry weight
kg(lb)
5.8 (12.7)
6.1 (13.4)
Engine
Type
KIORITZ, air-cooled, two-stroke, single cylinder
Rotation
Clockwise as viewed from the output end
Displacement
cm
3
(in
3
) 23.6
(1.44)
Bore
mm(in)
34.0
(1.34)
Stroke
mm(in)
26.0
(1.02)
Compression
ratio
5.8
Carburettor Type
Rotary type : Diaphragm, horizontal-draught, with primer
Model
ZAMA
RB-K91
Ignition
Type
CDI (Capacitor discharge ignition) system
Slope advance ignition
system combined with electronic speed governor
Spark plug
BPMR8Y
Exhaust
Muf
fl
er type
Spark arrestor muf
fl
er
Starter Type
ES
(effortless-start)
Rope diameter x length
mm(in)
3.0 x 830 (1/8 x 32 5/8)
Fuel
Type
Premixed two-stroke fuel
Mixture ratio
50 : 1 (2%)
Petrol
Minimum 89 octane
Two-stroke engine oil
ISO-L-EGD (ISO/CD13738), JASO FC/FD
Tank capacity
L (U.S.
fl
.oz.)
0.5 (16.9)
Clutch
Type
Centrifugal, 2-shoe slide
Handle
Type
Front
Loop with hand guard
Rear
Grip with throttle trigger
Gear case
Reduction ratio
4.67
Gear
tooth
Spur
Lubrication
Lithium based grease
Cutter
Type
Double reciprocating, Single edge blade
Effective length
mm(in)
727 (28.6)
973 (38.3)
Pitch
mm(in)
35
(1.38)
Height
mm(in)
23
(0.91)
Thickness
mm(in)
3.0
(0.12)
Lubrication
Apply oil every 4 hours of use
* Refer to Operator’s manual
