Crankshaft - Stihl MS 661 Manual

1
2
– Coat the outside of the manifold
flange with STIHL press fluid,
b 16
: Hold the tank housing steady and
pull the ends of the string (2) with
manifold flange (1) through the
opening – take care not to
displace or damage the washer in
the manifold.
– Remove the string.
1 2
2 3
: Position the manifold flange (1) –
its recesses (arrows) must locate
against the studs (2).
: Fit the washer (3) and push the
sleeve (4) into the manifold
flange (1).
– Reassemble all other parts in the
reverse sequence.
MS 661, MS 661 C-M
6.6

Crankshaft

– Drain the fuel and oil tanks,
b 1.1
– Remove the brake band, b 5.2
– Remove the brake lever, b 5.3
– Remove the handlebar, b 10.5
Version with heating, b 10.5.1
– Remove the flywheel, b 7.7
– Machines with handle heating
Remove the generator, b 14.7
– Remove wiring harness at
ignition side, b 7.9,
models with M-Tronic / heating,
b 7.10
– Remove the cylinder, b 6.5
– Remove the piston, b 6.7
– Remove the tank housing,
b 13.11.4
Always install new bearings and oil
seals after removing the crankshaft,
b 6.6.1 and b 6.3.
4
Clutch side of crankcase
The oil pump must be left in position
when the crankshaft is removed. It
serves as a stop for the ball bearing.
: Remove the retaining ring (1).
1
1
: Take out the screws (1) and
: Take out the screws (arrows).
: The tensioner slide (1) must butt
1
Use the tools in the service tool set
5910 007 2222 to remove and
install the clutch side of the
crankcase
2
remove the flange (2).
1
against the thrust pad (arrow).
31