Husqvarna 531RS Workshop Manual page 57

3. Fit the crankshaft in the crankcase half on the
flywheel side. Lubricate the stub axle with a few
drops of oil and carefully slide the crankshaft into
the bearing. Check that the 3 guide bushings are in
position in the crankcase half.
4. Place a new crankcase gasket on the crankcase
and secure if necessary with a little grease (503
97 64-01). Lubricate the crankshaft journal with a
few drops of oil and slide the crankcase half on the
starter side into position. Tighten the 4 crankcase
screws crosswise a little at a time. Check that the
crankshaft can rotate easily.
5. Assemble the piston on the connecting rod. Check
that the piston is turned so the arrow points towards
the exhaust port. Do not forget the spacers between
the piston and the needle bearing! Make sure that
the gudgeon pin circlips are seated correctly in the
slots. Place the flywheel key in position in the
crankcase keyway so that the flat surface is paral-
lel to the centre line of the crankshaft. Attach the
flywheel.
Assemble the cylinder.
Position the cylinder base gasket.
Lubricate the piston and piston rings with a few
drops of oil.
Use the piston ring compressor and carefully slide
the cylinder into position.
Tighten the four screws, crosswise.
Assemble the remaining parts in the reverse order
as set out for dismantling.
See relevant sections in the manual.
NOTE!
Do not forget to fit the small distance ring
inside the drive disc before it is fitted to the
crankshaft.
Fig. 14
Fig. 15
Fig. 16
Fig. 17
English - 57