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Bleeding the hydraulic clutch *
The clutch control needs to be bled as soon as the resistance in the clutch
lever starts to feel unresponsive. You will need to use a bleeding syringe (spe-
cial tool).
Make sure to use Motorex clutch fluid 75 for the 125/144 SX models and
Motorex DOT. 5.1 brake fluid for the 250 SX models. Both are available from
your KTM dealer.
Turn the handlebar until the master cylinder is in a horizontal position, remove
the screws [1], the cover [2] and the rubber boot [3].
Fill the bleeder syringe [4] with a suitable fluid (see Technical Specifications
- Engine). Remove the bleeder screw from the slave cylinder [5] and mount
the bleeder syringe.
Press oil into the system until the oil runs out of the hole [6] in the master
cylinder without bubbles. Occasionally extract the oil from the master cylin-
der reservoir to keep it from overflowing.
After you finish bleeding, remove the bleeder syringe, mount the bleeder screw,
correct the oil level in the reservoir and mount the cover (see above).
MAINTENANCE WORK ON CHASSIS AND ENGINE »
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