Stihl MS 261 User Manual

97MS 261, MS 261 C
: Fit the cover washer (1).
Installed position is correct when
"TOP" (arrow) faces outwards.
– Check adjustment of oil pump
and readjust if necessary – see
instruction manual.
– Reassemble all other parts in the
reverse sequence.
11.4 Valve
A valve is installed in the tank wall to
keep internal tank pressure equal to
atmospheric pressure. The valve
must be replaced if it is faulty.
– Open the oil tank cap and drain
the oil tank
b
1.
: Use a 6 mm drift to carefully
drive the valve out of its seat in
the housing and into the oil tank.
TOP
5902RA361 TG
1
0001RA321 TG
: Remove the old valve (1) from
the oil tank.
Installing
Check correct installed position.
: Insert the valve in the housing
bore (arrow).
– Use a 6 mm drift to carefully
drive in the new valve from
outside – note installed depth.
219RA476 TG
1
0001RA322 TG
: Installed depth of new valve:
a=1mm +/- 0.1.
– Reassemble all other parts in the
reverse sequence.
219RA479 TG

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