Owner's Manual

(QJLQH
STIHL single cylinder two-stroke engine
Displacement: 48.7 cm
3
(2.97 cu.in)
Bore: 44 mm (1.73 in)
Stroke: 32 mm (1.26 in)
Idle speed: 2.800 r.p.m.
,JQLWLRQ6\VWHP
Type:
Electronic magneto ignition
(breakerless)
Spark plug (suppressed):
Bosch WSR 6 F
or NGK BPMR 7 A
Electrode gap 0.5 mm (0.02 in)
Spark plug thread:
M 14x1.25; 9.5 mm (0.37 in) long
)XHO2LO6\VWHP
Carburetor:
All position diaphragm carburetor with
integral fuel pump
Air filter:
Prefilter and bisectional box filter
Fuel capacity: 0.46 l (0.97 U.S. pt)
Fuel mixture: See chapter "Fuel"
Chain lubrication:
Fully automatic, speedcontrolled plunger
type oil pump. Additional manual oil flow
control
Oil tank capacity: 0.29 l (0.61 US pt)
:HLJKW
(without bar and chain)
026; 4.7 kg (10.4 lb)
026 W 4.9 kg (10.8 lb)
&XWWLQJ$WWDFKPHQW
Recommended cutting attachments
for compliance with § 5.12 of ANSI
Standard B 175.1-1991
(see page 12 of this Manual):
STIHL reduced kickback bar
(with green label):
for 0.325" pitch and 3/8" pitch:
Rollomatic with sprocket nose
40, 45 or 50 cm (16, 18 or 20 in)
STIHL low kickback chain*
(with green label):
8.25 mm (0.325") Rapid-Micro 2
(26 RM 2),
9.32 mm (3/8") Rapid-Micro 2
(33/36 RM 2)
Chain sprocket:
7-tooth for 0.325" pitch,
7-tooth for 3/8" pitch
Other cutting attachments available for
this powerhead are:
STIHL yellow-labeled bar:
for 0.325" pitch and 3/8" pitch:
Rollomatic "S" with sprocket nose
40, 45 or 50 cm (16, 18 or 20 in)
Duromatic with stellite tipped nose
40, 45 or 50 cm (16, 18 or 20 in)
STIHL yellow-labeled chains:
for 0.325" pitch:
Rapid-Micro (26 RM) and
Rapid-Super (26 RS)
for 3/8" pitch:
Rapid-Micro (33/36 RM) and
Rapid-Super (33/36 RS)
Since new bar/chain combinations may
be developed after publication of this
Manual, ask your STIHL dealer for the
latest STIHL recommendations.
In order to comply with the kickback
performance requirements of § 5.12
of ANSI Standard B 175.1-1991,
do not use replacement saw chain
unless it has been designated as
meeting the ANSI § 5.12 requirements
on this specific powerhead, or has been
designated as "low kickback" saw chain*
in accordance with the ANSI B 175.1-
1991 standard.
*See definition of "low kickback chain"
on page 11 of this Manual.
6SHFLILFDWLRQV
 