Troubleshooting chart - see
"Standard Repairs, Trouble-
shooting" handbook.
Spark arresting screen
FS 120...350, FR 350
•
Pull spark arresting screen out of
the muffler.
- Clean or replace spark arresting
screen if necessary.
FS 400/450, FR 450
•
Take out the screw (1).
•
Pull spark arresting screen (2)
out of the muffler.
- Clean or replace spark arresting
screen if necessary.
- Tighten down screw to 2.5 Nm
(1.8 lbf.ft).
Muffler
FS 400/450, FR 450
- Remove air filter cover -see 8.1.
All models
•
Remove screws from clutch
housing.
•
Take out screws (1).
•
Press down the decompression
valve (2).
•
Remove the shroud (3).
•
Take out the screws.
- Lift away the muffler.
•
Remove the gasket.
Reassemble in the reverse
sequence.
- Use a new gasket.
- Tighten down screws to 8.5 Nm
(6.3 lbf.ft).
2
5
0
R
A
0
0
6
V
A
2
5
0
R
A
0
1
1
V
A
2
5
0
R
A
0
0
9
V
A
2
5
0
R
A
0
1
2
V
A
2
5
0
R
A
0
0
7
1 2
V
A
1
2
5
0
R
A
0
1
0
1
32
V
A
4. ENGINE
4.1 Exhaust Muffler/Spark Arresting Screen
FS 120, 200, 300, 350, 400, 450, FR 350, 450 9
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