Stihl MS 461 Manual

76 MS 461, MS 461-R
12. Fuel System
12.1 Air Filter
Dirty air filters reduce engine power,
increase fuel consumption and
make starting more difficult. The air
filter should be checked when there
is a noticeable loss of engine power.
– See also Troubleshooting,
b 3.6, b 3.7
– Loosen the twist lock and lift
away the filter cover.
– Remove the air filter.
– Check the air filter and clean or
replace if necessary – see
owner's manual.
– Reassemble in the reverse
sequence.
12.2 Baffle
– Remove the air filter, b 12.1
: Lift retaining tab (arrow) and pull
off the baffle (1).
– Check the baffle and replace if
necessary.
TOP
3443RA272 TG
1
Installing
: Push baffle (1) into position until
retaining tab engages flange –
the word "TOP" must be at the
top.
– Reassemble all other parts in the
reverse sequence.
12.3 Filter Base
– Remove the baffle, b 12.2
: Unscrew the nuts (1) and pull off
the flange (2).
Switch shaft (3) must be in cold start
position.
: Remove the filter base (4) from
the studs.
TOP
3443RA273 TG
1
3443RA275 TG
3
4
2
1
1
Installing
Sleeve (1) must be in place and
grommet (2) must engage the
baffle (3).
Switch shaft (1) must be in cold start
position.
: Fit the filter base (2) over the
studs (arrows) and into position.
: Fit the flange (3) with the stud (4)
at the top.
: Fit the nuts (5) and tighten them
down firmly.
– Reassemble all other parts in the
reverse sequence.
3443RA276 TG
3
1
2
4
3443RA277 TG
1
2
5 53

Stihl MS 461 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Automatic oiling	Yes
Oil tank capacity	0.325 L
Fuel tank capacity	0.8 L
Engine displacement	76.5 cm³
Engine power	6 hp
Power source	Gasoline

Weight and Dimensions

Weight	6700 g