Stihl MS 650

36 MS 650, MS 660
: Thoroughly clean the gasket
seating surface (1).
: Lubricate the needle cage (2)
with oil and fit it in the small end.
2
1
VA
176RA076
: 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
178RA197
VA
1
: 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
VA
178RA041
1
2
(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.
VA
178RA049
: Fit the piston pin (1) on the
assembly drift (2) and slide it into
the piston.
VA
178RA053
1
2
: Remove the sleeve from
installing tool 5910 890 2212.
VA
249RA144
: 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.
VA
249RA145
2 1
6.5.2 Installing