Stihl MS 200 Service Manual

97MS 200, MS 200 T
14.4.3 Pump Diaphragm
– Remove the carburetor,
MS 200 b 14.2,
MS 200 T b 14.2.1
: Take out the screw (arrow).
: Carefully remove the end cover
(1).
: Carefully remove the gasket with
pump diaphragm from the end
cover.
161RA323 TG161RA324 TG
1
370RA348 TG
: Carefully separate the pump
diaphragm (1) and gasket (2).
The diaphragm material is
subjected to continuous alternating
stresses and eventually shows
signs of fatigue, i.e. the diaphragm
distorts and swells and has to be
replaced.
– Check the pump diaphragm for
signs of damage and wear. Install
a new gasket.
– Check fuel strainer for
contamination and damage.
Clean or replace if necessary.
: Use a needle to remove the fuel
strainer (1) from the carburetor
body.
– Reassemble in the reverse
sequence.
533RA319 TG
2
1
161RA327 TG
1
: Fit the gasket (1) so that the tab
(arrow) is opposite the idle speed
screw and is held in position by
the pegs (2).
: Fit the diaphragm (1) so that the
tab (arrow) is opposite the idle
speed screw and is held in
position by the pegs (2).
– Position the end cover (1) so that
the idle speed screw (arrow) is at
the same side as the adjusting
screws.
161RA428 TG
2
12
161RA328 TG
1
2
2
161RA329 TG
2
1

Stihl MS 200 Specifications

General

Guide Bar Length	30-40 cm
Chain Oil Capacity	0.22 L
Chain pitch	3/8"
Engine Power	2.0 kW
Displacement	35.2 cc
Weight (without cutting equipment)	4.2 kg