Stihl MS 391 Safety Manual

MS 311, MS 391
English
17
Fuel filler cap
N Before fueling, clean the cap and
the area around it to ensure that no
dirt falls into the fuel tank
N Always position the machine so that
the cap is facing upwards
Opening
N Swing the clip into an upright
position
N Turn the cap counterclockwise
(approx. 1/4 turn)
N Remove fuel filler cap
Refueling
Take care not to spill fuel while fueling
and do not overfill the tank.
STIHL recommends use of the STIHL
filling system for fuel (special
accessory).
N Refueling
Closing
Clip is in an upright position:
N Fit the cap – position marks on the
cap and the filling port must line up
N Push the cap down as far as it will
go
N Hold the cap down and twist it
clockwise until it engages
N Fold down the clip as far as it will go
Fueling
001BA229 KN
001BA218 KN
001BA219 KN
001BA224 KN
001BA220 KN
001BA221 KN
001BA222 KN

Stihl MS 391 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Automatic oiling	Yes
Oil tank capacity	0.35 L
Fuel tank capacity	0.6 L
Engine displacement	64.1 cm³
Engine power	4.4 hp
Power source	Gasoline

Weight and Dimensions

Weight	6200 g