Draining the oil
This operation cannot be carried out with the fork installed on the
motorcycle.
We recommend loosening the fork cap a little before removing the
fork leg from the fork yokes.
• Remove the fork leg from the fork yokes according to the procedure in the
motorcycle owner’s manual.
• Clamp the fork leg in the vice.
• Remove the fork cap ( 48 ) with the 19 mm spanner.
• Slowly lower the slider on the stanchion tube.
• Push the guide spring cap ( 20 ) and the spring ( 21 ) downwards, so that you
can reach the locknut ( 23 ) with the 19 mm spanner.
• Holding the locknut ( 23 ) with A 19 mm spanner, use another 19 mm spanner
to unscrew the fork cap ( 48 ) completely.
• Remove the fork cap ( 48 ), the guide spring cap ( 20 ), the spring ( 21 ) and
the preload tube ( 25 ).
• Remove from the rod’s edge ( 32 ), the adjustment return inner rod ( 31 ).
• Free the fork leg ( 5 ) from the vice and tip it into a container of a suitable size
to drain the oil; pump the fork to help the oil ow out.
The R5051AC is available as spare part: if you tighten it on the rod’s
edge, you can make the rod extraction from the inner part of the
slider easier.
Check appearance, density and quality of the old oil to get an idea
of the oil seal and guiding elements condition. If the oil is dense
and dark with solid particles in it, you will have to replace the guide
bushings and the sealing elements.
Paragraph 4.11 describes
the procedure for assem-
bling and lling with oil.
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