Stihl MS 311 User Manual

MS 311, MS 391
English
37
Installing the air filter
N Insert the lugs (1) into the
recesses (2)
N Tilt the air filter toward the filter
housing and close the clip
N Refit the shroud and tighten the
screws
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
General Information
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
With this carburetor it is only possible to
correct the adjusting screws within fine
limits.
Standard setting
N Shut off the engine
N Check the air filter and clean or
replace if necessary.
N Check the spark arresting screen
(country-specific) in the muffler and
clean or replace if necessary.
0001BA007 KN
1
2
Engine Management Adjusting the Carburetor
If the setting is too lean there is a
risk of engine damage due to
insufficient lubrication and
overheating.
LA
0001BA008 KN

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