Inspecting The Front Forks - Derbi GP1 125-250 c.c. Workshop Manual

- Proceed with cleaning and degreasing all the front sus-
pension components, so that they can be subsequently chec-
ked.
I I
NSPECTING THE FRONT FORKS NSPECTING THE FRONT FORKS
- Check the degree of wear on the suspension bar guide
bush. Replace it in the event of it being damaged on over
30% of its total surface.
- With the aid of some X-shaped chocks and a comparison
meter fitted on a fixed support, determine the degree of
non-alignment of the bar.
Service limit:
0,4 mm.
- Check the length of the suspension spring, as well as its
distortion and/or lack of parallelism.
- Check the state of the rebound spring and the airtight O-
ring. Replace them in the event of evident distortion or da-
mage.
Clean and degrease all the elements making up the assem-
bly, ready for reassembly.
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