Stihl MS 650

33MS 650, MS 660
– Free off the oil seal in its seat by
tapping it with a suitable tube or a
punch.
: Apply puller (1) 5910 890 4400
with No. 6 jaws 0000 893 3711.
– Clamp the puller arms.
VA
176RA021
1
– Pull out the oil seal.
Take care not to damage the
crankshaft stub.
– The crankshaft sealing face and
taper must be free from grease.
Clean with a standard solvent-
based degreasant containing no
chlorinated or halogenated
hydrocarbons – b 17
– Lubricate sealing lips of oil seal
with grease – b 17
– Thinly coat the outside diameter
of the oil seal with sealant –
b 17
– Slip the oil seal, open side facing
the crankcase, over the
crankshaft stub.
: Use the press sleeve (1)
1108 893 2405 to install the oil
seal.
The seating face must be flat and
free from burrs.
– Wait about one minute, then
VA
176RA022
1
rotate the crankshaft several
times.
– Install the generator (if fitted) and
tighten down the screws firmly –
b 3.5
– Install the flywheel – b 7.3.2.
Reassemble all other parts in the
reverse sequence.
Clutch side
– Remove the clutch drum – b 5.1
– Remove the oil pump – b 11.3.1
– Free off the oil seal in its seat by
tapping it with a suitable tube or a
punch.
: Apply puller (1) 5910 890 4400
with No. 3.1 jaws 0000 893 3706.
– Clamp the puller arms.
1
VA
178RA189
– Pull out the oil seal.
Take care not to damage the
crankshaft stub.
– Cleaning sealing face with
standard solvent-based
degreasant containing no
chlorinated or halogenated
hydrocarbons – b 17
– Thinly coat the outside diameter
of the oil seal with sealant –
b 17
– Lubricate the sealing lips of the
oil seal with grease – b 17