Stihl MS 291 User Manual

102 MS 271 C, MS 291 C
: Push the connector (1) into the
fuel return hose (2) as far as stop.
: Push the connector (1) with fuel
return hose (2) into the fuel return
hose (3) so that the
contours (arrows) are in
alignment.
: Fit the fuel return hose (1) behind
the carburetor carrier (2) and
push it onto the fuel pump's
nipple (arrow) as far as stop.
5902RA498 TG
2
1
5902RA499 TG
3
1
2
2710RA316 TG
1
2
: Position the fuel return hose (2)
so that it is next to the short circuit
wire's grommet (1).
: Push the fuel return hose (2) into
the guides (arrows).
– Install the carburetor, b
12.5
: Push the fuel suction hose (1)
onto the nipples (arrows) as far
as stop.
– Check operation with manual fuel
pump, b
12.11.4
– Reassemble all other parts in the
reverse sequence.
5902RA501 TG
2
1
5902RA502 TG
1
12.11.4 Manual Fuel Pump
– Remove the filter base, b
12.3
: Disconnect the fuel suction
hose (1) and fuel return hose (2)
from the nipples (arrows).
: Squeeze the tabs (arrows)
together and pull out the manual
fuel pump (1).
– Check the fuel pump (1) and
replace it if necessary
5902RA503 TG
2
1
5902RA504 TG
1

Stihl MS 291 Specifications

General

Engine Power	2.8 kW
Displacement	55.5 cm³
Weight	5.6 kg
Vibration Level (left/right)	4.5/4.5 m/s²
Guide Bar Length	16 in to 20 in
Fuel Tank Volume	460 ml
Chain Pitch	3/8"
Fuel Capacity	500 cc