Operators Manual

Table Of Contents
28 MS 171, MS 181, MS 211
8. Engine
8.1 Muffler / Spark Arresting
Screen
Always check and, if necessary,
repair the fuel system, carburetor,
air filter and ignition system before
looking for faults on the engine.
Troubleshooting, b 4
: Pry the plugs out of the muffler by
means of the tabs (arrows).
: Take out the screws (arrows).
Remove the muffler (1), check
and replace if necessary.
533RA060 TG533RA061 TG
1
: Remove the heat shield (1).
Spark arresting screen
: Use suitable pliers to pull out the
spark arresting screen (1) (if
fitted).
Clean the spark arresting screen
(1) and replace if necessary.
Install in the reverse sequence.
: Inspect and clean the sealing
faces (arrows), b 16
Position machine vertically.
533RA062 TG
1
533RA063 TG
1
533RA064 TG
: Place the heat shield (1) in
position and use the recesses
(arrows) to line it up on the
sealing face of the exhaust port.
Care place the muffler (1) in
position.
: Fit the screws (arrows) and check
correct position of heat shield
again.
Tighten down the screws
(arrows) firmly.
: Push home the plugs (arrows).
Tightening torques, b 3.5
533RA065 TG
1
533RA066 TG
1
533RA060 TG