APRILIA RX 50 - 1996 Manual page 24

Bring the slider back to its original position and
slightly lift it until the rod disappears inside the
slider itself.
Turn the fork tube assembly upside down and
drain the oil.
Withdraw the rod from the slider and let it drip for
about half an hour.
Put back the slider on the rod and pour 550 cmC of
oil inside the slider (see "LUBRICANT CHART").
Put back the two half-washers.
Screw the slider plug thoroughly.
Left fork tube assembly:
Unscrew and remove the upper plug of the slider,
remove the two half-washers and lower the rod.
Turn the fork tube assembly upside down and let
all the oil out, then remove the slider.
Push the fork repeatedly downwards until all the
oil has flown out completely. Then put back the
slider.
Center the rod on the upper hole of the slider by
means of a M4 screw of suitable length, then pour
550 cmC of oil (see "LUBRICANT CHART").
Put back the two half-washers.
Screw the upper plug of the slider and tighten it.
Fig. 19
23