PGO BR-500 - Page 77

- Check that the free wheel
and the start-up rim hub
surface are free from wear.
- Check the hub outside
diameter.
Hub outside diameter:
d 45,665
+ 0,008
+0,005
mm
- Check the start-up brass
inside diameter.
- Check that the toothing is not
worn.
Brass inside diameter:
d 27
+ 0,020
+0,041
mm
N.B.: In the event of failures concerning the hub, it is advisable to replace
the start-up rim and the free wheel.
If only the brass is worn, it is possible to replace only the complete start-
up rim. In that case, check also the diameter and the surface of the
connection on the driving shaft. In case or irregularities, replace the
driving shaft.
PGO BR-500 ENGINE
P.10-58
Flywheel and Start-up