Stihl MS 650

49MS 650, MS 660
– Remove the shroud – b 6.2
– Remove the fan housing with
rewind starter – b 8.2
: Pull off the short circuit wire (1).
: Take out the screw (2).
: Remove the ground wire (3).
: Take out the screw (4).
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2
3
1
4
– Remove the ignition module.
If the ignition lead or spark plug boot
is damage, install new parts –
b 7.2.3.
: If necessary, use a suitable
punch to drive the pin out of the
wire retainer (1).
– Remove the wire retainer.
– If necessary, install the ignition
lead, b 7.2.3, before fitting the
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wire retainer.
– Coat threads of screws with
Loctite 242, b 17, before
installing.
Reassemble in the reverse
sequence.
: On machines with handle and/or
carburetor heating, position the
wire (1) under the ignition
module.
: Push the wire (2) into the wire
retainer (arrow).
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1
: Secure ground wire (2) with
screw (3).
: Tighten down screws (3 + 4)
moderately.
: Connect the short circuit wire (5).
1
2
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3
5
: Position the ignition lead (1) in
the guide (arrow).
: Rotate the flywheel until the “N”
mark (arrow) is in line with the top
of the ignition module.
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7.2.1 Removing and Installing