Adjusting The Carburetor; 12.7.1 Basic Setting - Stihl MS 201 Manual

Pre-installing limiter cap
2
When pushing the limiter cap into
position, check that the stop (1) on
the limiter cap butts against the
right-hand side of the carburetor's
stop (2).
1
Make sure the stop on the limiter
cap is clear of the stop on the
carburetor body.
: Line up the new limiter cap (1) so
that the notch (arrow) points
vertically upwards.
: Push the new limiter cap (1) onto
the high speed screw (H) as far
as the first detent (arrow)
– do not push fully home.
The basic setting is performed
through the pre-installed limiter cap
with screwdriver
5910 890 2306.
– Reassemble in the reverse
sequence.
MS 201, MS 201 C, MS 201 T, MS 201 TC
– Carry out the basic setting,
b 12.7.1
12.7

Adjusting the Carburetor

1

12.7.1 Basic Setting

The basic setting is necessary only
if the high speed screw (H) or low
speed screw (L) has to be replaced
or after cleaning and adjusting the
carburetor from scratch.
It is necessary to carry out the basic
setting after removing the limiter
cap.
The carburetor and air filter are
installed, the adjusting screws fitted
and the new limiter cap pre-
installed.
– Check chain tension and adjust if
necessary.
– Inspect the spark arresting
screen (if fitted) and clean or
replace if necessary, b 3.7 or
b 6.1
– Check the air filter and clean or
replace if necessary, b 12.1
2
For the sake of clarity the adjusting
screws are shown on the exposed
carburetor.
: Starting with the high speed
screw H (1) against its seat,
open it 2 full turns
counterclockwise
– this is the basic setting.
: Starting with the low speed screw
L (2) against its seat,
open it 1 1/4 turns
counterclockwise
– this is the basic setting.
– Warm up the engine.
The setting disc 5910 893 6600
may be fitted on the screwdriver
5910 890 2306 to aid adjustment.
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