8
Stroke volume
cu. in (cm)
2.1 (34,7)
2.6 (42,4)
Bore
inch (mm)
.50 (8)
.65 (42)
Stroke
inch (mm)
.20 (0,6)
.20 (0,6)
Max. power at speed
hp / rpm
2,3 / 9.500
2,9 / 9.500
Max. torque at speed
Nm /rpm
2,1 / 6.500
2,6 / 6.500
Idling speed / max. engine speed with bar and chain
rpm
2.800 / 13.500
2.800 / 13.500
Coupling speed
rpm
5.00
5.00
Sound pressure level at the operator´s ear
at full load according to ANSI B 175.1
dB(A)
100,8
100,8
Sound pressure level at the bystanders position
(50 ft/15 m distance) according to ANSI B 175.1
dB(A)
77,4
77,4
Carburetor
Type
diaphragm carburator with limiter caps
Ignition system
Type
electronic
Spark plug
Type
NGK CMR7A-5
or spark plug
Type
--
Electrode gap
inch (mm)
.020 (0,5)
Fuel consumption at max. load per ISO 7293
kg/h
0,79
0,96
Specific consumption at max. load per ISO 7293
g/kWh
526
480
Fuel tank capacity
floz
16,2
Chain oil tank capacity
floz
9,5
Mixture ratio (fuel/two-stroke oil)
- when using DOLMAR High Performance oil
50 :
- when using other synthetic oils (oil quality must be JASO FC or ISO-L-EGD)
50 :
Chain brake
engages manually or in case of kickback
Sprocket pitch
inch
/8
/8
Number of teeth
Z
6
6
Chain type
see the Extract from the spare-parts list
Pitch / gauge
inch / (mm)
/8 / 0,050 (,)
/8 / 0,050 (,)
Guide bar, length of a cut
inch
2, 4, 6
2, 4, 6
Guide-bar type
see the Extract from the spare-parts list
Weight (fuel tank empty, without chain, guide bar and accessories) lbs
0,8
0,8
)
Figures derived in equal part from idling, full-load and racing speed.
WARNING:
This chain saw is capable of severe kickback that coult result in serious injury to the user. Do not operate this chain
saw unless you have extraordinary cutting needs and experience and specialized training for dealing with kickback.
Chain saws with significantly reduced kickback potential are available.
Technical data
PS-351
PS-421