Stihl MS 311 Manual

82 MS 311, MS 391
Installing
: To pull the manifold flanges
through the openings in the
carburetor carrier, wind pieces of
string (1) (about 15 cm long)
around the backs of the flanges
and pass the ends of the strings
through the openings.
: Pull the ends of the strings with
the manifold flanges through the
intake opening.
– Pull the manifold flanges into the
openings in the carburetor carrier
with the string.
– Remove the string.
4903RA232 TG
1
1
4903RA233 TG
: Fit the fuel hose (1) in the
guide (arrow).
: Take out the sleeve (2) and
ring (1).
When reassembling, check that all
wires are properly seated in their
guides.
– Reassemble all other parts in the
reverse sequence.
0001RA399 TG
1
4903RA234 TG
2
1
12.9 Intake Manifold
A damaged intake manifold can
result in engine running problems.
– Troubleshooting, b 3.6 or
b 3.7
– Remove the shroud, b 6.4
– Remove the carburetor, b 12.5
– Remove the carburetor carrier,
b 12.8
: Take out the screws (1).
: Remove the intake manifold (2).
– Inspect the intake manifold (2)
and replace it if necessary – even
very minor damage can result in
engine running problems, b 3.7
4903RA235 TG
1
1
1
1
2

Stihl MS 311 Specifications

General

Oil tank capacity	0.348 L
Fuel tank capacity	0.6 L
Power source	Gasoline

Weight and Dimensions

Weight	6200 g