Stihl MS 271 Manual

79MS 271 C, MS 291 C
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.
: Remove the old valve (1) from
the oil tank.
2710RA254 TG
219RA476 TG
1
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.
: Installed depth of new valve:
a = 1 mm +/- 0.1.
– Reassemble all other parts in the
reverse sequence.
2710RA255 TG
219RA479 TG

Stihl MS 271 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	0.24 L
Fuel tank capacity	0.5 L
Engine displacement	55.5 cm³
Engine power	3.8 hp
Power source	Gasoline

Weight and Dimensions

Weight	5600 g