Stihl MS 231 User Manual

97MS 231, MS 231 C, MS 251, MS 251 C
12.8 Carburetor Carrier
– Disconnect the filter base from
the rubber buffers and put it to
one side.
– Remove the carburetor and put it
to one side, b 12.5
: Remove the shim (1).
: Pull the throttle rod (1) out of the
guide (arrow) and put it to one
side.
2310RA073 TG
1
2310RA287 TG
1
: Push the manifold flange (1) out
of the carburetor carrier (2) in the
direction of the cylinder, pulling
the carburetor carrier away at the
same time.
– Remove the carburetor carrier,
check it and replace if necessary.
– Check the intake manifold and
replace if necessary, b 12.9
Installing
: To fit the manifold (2) through the
carburetor carrier's opening, wind
a piece of string (1) (about 15 cm
long) around the back of manifold
flange.
2310RA288 TG
1
2
2310RA289 TG
1
2
– Coat manifold flange with STIHL
press fluid, b 14
: Use the ends of the string (2) to
pull the manifold flange (1)
through the intake opening while
pushing the carburetor carrier (3)
against the manifold flange.
– Remove the string.
: Position the carburetor carrier (1)
so that the semi-circles (arrows)
locate against the studs (2).
2310RA290 TG
1
2
3
2310RA291 TG
1
2
2
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Stihl MS 231 Specifications

General

Power-to-Weight Ratio	2.4 kg/kW
Oilomatic Chain Pitch	3/8" P
Sound Pressure Level	103 dB(A)
Sound Power Level	114 dB(A)
Engine Power	2.0 kW
Weight	4.8 kg
Bar Length	35 cm / 40 cm
Fuel Capacity	390 cc
Chain Oil Capacity	200 ml
Vibration Level Left/Right	3.0/3.0 m/s²