Installing - Stihl MS 650 Manual

6.5.2

Installing

2
: Thoroughly clean the gasket
seating surface (1).
: Lubricate the needle cage (2)
with oil and fit it in the small end.
1
: Fit a new cylinder gasket (1),
curvature facing down, on the
crankcase.
Note gasket thicknesses:
- with tabs (arrows) = 0.5 mm,
- without tabs = 1.0 mm
36
1
1
2
: Check installed position of
piston:
1 = Arrow points to exhaust
port (muffler)
2 = Flywheel
– Heat the piston on an electric
heating plate to approx. 60°C
(140°F).
Wear suitable gloves to protect
your hands from burn injuries.
– Slip the piston over the
connecting rod.
: Push the assembly drift
1111 893 4700, small diameter
first, through the piston and small
end (needle cage) and line up the
piston.
2
: Fit the piston pin (1) on the
assembly drift (2) and slide it into
the piston.
: Remove the sleeve from
installing tool 5910 890 2212.
2
: Attach the snap ring (1) to the
magnet (2) so that the snap ring
gap is on the flat side of the tool's
shank.
MS 650, MS 660
1
1