Stihl MS 210 Service Manual page 31

: Position the piston rings so that
the radii at the ring gap meet at
the fixing pin in the piston groove
when the rings are compressed.
: Slide piston carefully into the
cylinder.
The piston rings are compressed by
the inner taper of the cylinder.
30
1
2
: Position the crankshaft so that
the long crankshaft stub (1)
points to the right, looking at
exhaust port (2).
– Push piston home until ball
bearings are seated.
: Apply a thin bead of sealant to
the engine pan mating face –
b 13.
Follow manufacturer's instructions
for use of sealant.
: Fit the engine pan so that the
seat (1) for the oil pump is at the
same side as the long crankshaft
stub (2).
: On easy start version, unscrew
the plug, screw home the
decompression valve and tighten
it to 14 Nm (10.3 lbf.ft).
: Push the manifold on to the
intake port so that the straight
faces are in alignment.
Assemble all other parts in the
reverse sequence.
MS 210, MS 230, MS 250