Stihl MS 261 C User Manual

116 MS 261, MS 261 C
Installing
: Position the lever (2) so that its
hook engages the lever on the
choke shaft (arrows).
: Push the lever (2) onto the
throttle shaft so that it engages
the flats on the end of the
shaft (3).
: Insert and tighten down the
screw (1) firmly.
: Check operation
– lever (1) must engage
lever (2) (arrow).
– Reassemble all other parts in the
reverse sequence.
5902RA402 TG
1
2
3
5902RA403 TG
2
1
12.6.5 Adjusting Screws
Grommet has been removed for the
sake of clarity.
There are three adjusting screws on
the carburetor:
H = high speed screw (1)
L = low speed screw (2)
LA = idle speed screw (3)
If the carburetor cannot be adjusted
properly, the problem may be the
adjusting screws.
The high speed screw H has a
limiter cap, which has to be
removed before the screw is
removed.
Always install a new limiter cap.
– Remove the carburetor, b
b
12.5
– See also carburetor
troubleshooting,
b
3.6
Low speed screw
: Take out the low speed
screw L (1).
5902RA404 TG
3
1
2
5902RA405 TG
1
: Inspect the tip (arrow) for
damage or wear and replace the
low speed screw (L) if necessary.
– Screw down the low speed screw
(L) as far as stop.
– Continue with the high speed
screw H.
High speed screw
The high speed screw H has a
limiter cap, which has to be
removed before the screw is
removed.
: Screw the puller (1)
5910 890 4502 about 5 turns
counterclockwise into the limiter
cap
– left-hand thread.
– Do not turn the puller (1) any
further
– the high speed screw (H) may
otherwise be damaged.
5902RA406 TG
1
5902RA407 TG

Stihl MS 261 C Specifications

General

Displacement	50.2 cm³
Powerhead Weight	4.9 kg
Sound pressure level	103 dB(A)
Sound power level	116 dB(A)
Vibration level (left/right)	3.5/3.5 m/s²
Bar Length	40 cm (16 in.)
Fuel Capacity	500 cc
Oil Capacity	270 ml (9.1 oz.)
Chain pitch	3/8"
Engine Power	3.0 kW