Originally Posted by
JohnDThompson
The old SunTour 8.8.8 freewheels used shims of varying thickness to set the bearing adjustment. If this is what you have, you may have problems sourcing the shims. In this case, replacing the freewheel may be your best bet. The New Winner series freewheels didn't use shims and could be adjusted with a special wrench, if necessary:
That tool looks like siamese twins kicking back.