Telescopic Fork Maintenance - KTM 2001 50 SX Pro Senior LC Owner's Handbook Manual

Telescopic fork maintenance *

The telescopic fork must be serviced at least once a year:
Jack up the motorcycle by the frame to take the weight off the front wheel.
Remove the front wheel and the brake cable guide.
1
Release the clamp screws at the triple clamps and pull the fork legs
downwards out of the triple clamps.
1
Clamp the fork leg into a vise (use protective jaws) and remove the
2
plugs .
2
Take the preload spacer and the spring out of the fork tube.
Remove screws 3 at the underside of the slider tubes and pull the fork
tubes out of the slider tubes.
4
Remove the dust scrabbers .
12
Thoroughly clean all parts and check for wear.
Grease gaskets and springs and reassemble the telescopic fork.
4
3
Tighten the screws at the underside of the slider tubes with 30 Nm
(22 ft.lb).
Insert the fork legs into the triple clamps (the fork tube must be flush with
the top triple clamp) and tighten the clamp screws with 15 Nm
(11 ft.lb).
Mount the front wheel.
Changing the telescopic fork oil *
Remove front wheel and fork legs (see above).
Remove plugs, preload spacers and springs.
Drain the fork oil into an appropriate container.
Clean the dust scrabbers.
Pour 170 cm3 SAE 7.5 fork oil into each fork tube.
Slide the fork tube all the way into the slider tube.
Adjust the air-chamber length A to 115 mm (4.5 in) by extracting or
A
adding fork oil.
Insert springs and pretensioning sleeves into the fork tube.
Check o-rings, grease and mount plugs.
Mount fork legs and front wheel (see above).
Mount brake control cable and brake cable guide.
Adjust the cable control on the front brake.