Stihl MS 650

34 MS 650, MS 660
: Push installing sleeve (1)
1118 893 4600 on to the
crankshaft stub.
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: Slip the oil seal, open side facing
the crankcase, over the
crankshaft stub.
– Remove the installing sleeve.
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: Use press sleeve (1)
1108 893 2405 to press home
the oil seal.
– Install the oil pump – b 11.3.1
– Install the clutch drum,
b 5.1
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Reassemble all other parts in the
reverse sequence.
Before removing the piston, decide
whether or not the crankshaft has to
be removed as well. The crankshaft
has to be blocked to remove the
flywheel and clutch by resting the
piston on the wooden assembly
block with the cylinder removed or
loosened.
– Remove the shroud – b 6.2
– Remove the fan housing with
rewind starter – b 8.2
– Remove the carburetor –
b 12.2.1
– Remove the decompression
valve – b 6.8
– Remove the muffler – b 6.1
– Pull off the spark plug boot and
unscrew the spark plug.
: Take the sleeve (1) out of the
manifold.
: Remove the washer (2).
1
2
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6.5 Cylinder and Piston
6.5.1 Removing