Stihl MS 261 User Manual

53MS 261, MS 261 C
: Pull the short circuit wire (1) out
of the guide (arrow).
: Disconnect the short circuit
wire (1).
: Take out the screws (2).
: Remove the ground wire (3).
– Remove the ignition module.
: Pull the grommet (1) off the
ignition module.
: Unscrew the ignition lead (2)
from the ignition module (3).
5902RA602 TG
1
5902RA169 TG
1
2
2
3
0001RA156 TG
1
2
3
– Check the spark plug boot and
ignition lead, and replace if
necessary, b
b
7.5
– Troubleshooting,
b
3.5
– Before installing the ignition lead,
fill the high voltage output with
STIHL multipurpose grease
b
15.
Do not use either graphite grease or
silicone insulating paste.
– Reassemble in the reverse
sequence.
Make sure the grommet (1) is fitted
properly to avoid ignition system
problems that may be caused by
contamination or moisture.
Installing
Machines with heating
The flywheel is not shown in the
illustration.
Before installing the ignition
module, check that the generator
wire (arrows) is properly positioned,
b
13.7.
5902RA170 TG
: Fit the ignition module (1) and
insert the screw (arrow)
– do not tighten down yet.
The ground wire must be positioned
in the guide under the short circuit
wire.
The crimped side of the ground wire
terminal must face the screw head.
: Fit the ground wire (3) and insert
the screw (2) – do not tighten
down yet.
: Push the ignition module back
and slide the setting gauge (1)
1111 890 6400 between the arms
of the ignition module and the
flywheel magnet.
5902RA171 TG
1
2
3
5902RA172 TG
1

Stihl MS 261 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Blade length	400 mm
Automatic oiling	Yes
Oil tank capacity	0.27 L
Fuel tank capacity	0.5 L
Engine displacement	50.2 cm³
Engine power	3.8 hp
Power source	Gasoline

Weight and Dimensions

Weight	5200 g