Stihl MS 650

40 MS 650, MS 660
– Remove the spiked bumper –
b 5.3
– Remove the chain catcher –
b 5.2
– Drain the oil tank.
– Drain the fuel tank.
Dispose of fuels and lubricants
properly in accordance with local
environmental requirements.
– Remove the shroud – b 6.2
– Remove the fan housing with
rewind starter – b 8.2
– Remove the ignition module –
b 7.1
– Remove the flywheel – b 7.3.1
– On machines with handle heating
and/or carburetor heating,
remove the generator – b 14.5
– Remove the chain brake –
b 5.5.2
– Remove the clutch – b 5.4
– Remove the muffler –, b 6.1
– Remove the oil pump – b 11.3.1
: Take the sealing ring (arrow) out
of the housing bore.
– Remove the oil suction hose –
b 11.1
– Remove the oil seals – b 6.4
178RA117
VA
1
– Remove the piston – b 6.5.1
: Push the rubber grommet (2) and
wire (1) out of the housing.
– Pull the short circuit wire and
ground wire out of the housing.
– Separate the crankcase and tank
housing – b 12.10
178RA166
VA
2
1
: Pull the impulse hose off the
connector (arrow).
178RA204
VA
6.7 Crankcase/Crankshaft
6.7.1 Removing the Crankshaft