31
Specifications
Model
External dimensions:
Length × Width × Height
mm
421 × 244 × 311
Mass:
Saw without guide bar and chain, empty tanks
kg
7.6
Volume:
Fuel tank
Tank for chain lubrication oil
Fuel (Mixture ratio)
Oil (Chain oil)
mL
mL
820
400
Regular grade petrol.
Minimum 89 Octane unleaded petrol is recommended.
Do not use fuel containing methyl alcohol or more than
10 % of ethyl alcohol.
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.
Special chain oil or motor oil
Cutting length:
All specified usable cutting lengths of guide bar
mm
450, 500, 600, 700, 800
Chain:
Specified pitch
Specified gauge (thickness of drive links)
Type of guide bar
Guide bar gauge
Type of chain
Lubrication
mm
mm
cm
mm
9.53 (3/8 inch)
1.47 (0.058 inch)
45, 50, 60, 70, 80 (ECHO)
1.47 (0.058 inch)
Carlton A2LM
Oregon 73LGX
Adjustable automatic oil pump and manual pump
Sprocket:
Specified number of teeth
7
Engine:
Type
Carburettor
Magneto
Spark plug
Starter
Power transmission
Engine displacement
Maximum shaft brake power (ISO 7293)
Recommended maximum speed with cutting attachment
Recommended speed at idling
mL (cm
3
)
kW
r/min
r/min
Air cooled 2-cycle single cylinder
Diaphragm type
Flywheel magneto, CDI system
NGK BPMR7A
Recoil starter
Automatic centrifugal clutch
80.7
3.93
12500
2500
Fuel consumption:
Fuel consumption at maximum engine power
Specific fuel consumption at maximum engine power
kg/h
g/(kWh)
1.70
432
Other devices:
Front hand guard, Rear hand guard,
Throttle trigger lockout, Chain catcher, Chain brake,
Anti-vibration device, Spiked bumper