Stihl MS 271 Manual

40 MS 271 C, MS 291 C
: Locate the straight crankshaft
stub (1) in the opening (arrow)
and position the bearings in their
seats in the engine pan.
– Push the crankshaft into the
bearing seats as far as stop.
: Line up the oil seal (1) at the
clutch side so that it is flush with
the engine pan (2).
: Line up the oil seal (3) at the
ignition side so that it butts
against the shoulder (arrows) on
the engine pan (2).
2710RA106 TG
1
2710RA107 TG
1
3
2
: Apply sealant to the groove in the
sealing face, b
14
Do not coat oil seals with sealant.
– Lubricate the piston, piston rings
and cylinder wall with oil, b
14
: Install the piston rings so that the
radii at the ring gaps meet at the
fixing pins in the piston
grooves (arrows).
2710RA108 TG2710RA109 TG
: Position the cylinder (1) so that
the manifold (2) points towards
the tank housing.
When pushing the cylinder onto the
piston, check that the gaps in the
piston rings meet at the fixing pins
– they might otherwise break.
: Place the cylinder on the piston
and carefully slide it onto the
piston – do not turn rotate.
: Push home the cylinder (1) as far
as stop and hold it there.
2710RA110 TG
2
11
2710RA111 TG
1

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