Intake Manifold - Stihl MS 261 User Manual

The lug must engage the
seat (arrow).
2
: 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.
2
: Position the carburetor carrier (1)
so that the semi-circles (arrows)
locate against the studs (2).
MS 261, MS 261 C
: Push the throttle rod (1) into the
guide (arrow) until it snaps into
position.
3
1
: Push the washer (1) into position.
When reassembling, check that all
wires are properly seated in their
guides.
When the filter base is installed, the
fuel hose must be centered in the
opening in the lower air guide
shroud. If it touches one side of the
1
opening, install it properly,
b 12.11.2, b 12.8. b
2
– Reassemble all other parts in the
reverse sequence.
12.9
A damaged intake manifold can
result in engine running problems.
1
– Troubleshooting, b
– Remove the shroud, b 6.4
– Remove the carburetor, b 12.5
– Remove the carburetor carrier,
– Remove the air guide shrouds,
1
: Take out the screws (1).
: Remove the intake manifold (2).
– Inspect the intake manifold (2)

Intake Manifold

b 3.6 or
b 3.7
b 12.8
b 12.4
Models with heating, b 12.4.2
Models with manual fuel pump,
b 12.4.1
2
1
1
and replace it if necessary – even
very minor damage can result in
engine running problems, b 3.7
1
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