10 TUNING THE CHASSIS
40
10.13 Adjusting the fork air pressure
Warning
Danger of accident Modifications to the suspension setting may seriously alter the handling characteris-
tic.
Extreme modifications to the suspension setting may cause a serious deterioration in the handling char-
acteristic and overload components.
– Only make adjustments within the recommended range.
– Ride slowly to start with after making adjustments to get the feel of the new handling characteristic.
Info
Check or adjust the air pressure under the same conditions at the earliest 5 minutes after switching off
the engine.
The air suspension is located in the left fork leg. The pressure and rebound damping is located in the right
fork leg.
Preparatory work
– Raise the motorcycle with a lift stand. ( p. 45)
V01522-10
Main work
–
Remove protection cap
1
.
–
Push together fork airpump
2
fully.
Fork airpump (79412966000)
Info
The fork airpump is included as part of the motorcycle's
accessory pack.
– Connect the fork airpump to the left fork leg.
The fork airpump indicator switches on automatically.
A little air escapes from the fork leg when connecting.
Info
This is due to the volume of the hose and not due to a
defect in the fork airpump or the fork.
Read the accompanying KTM PowerParts instructions.
– Adjust the air pressure as specified.
Guideline
Air pressure
(125/150 SX EU)
8.3 bar (120 psi)
Air pressure
(125/150 SX US)
8.4 bar (122 psi)
Changing the air pressure in
steps of
0.2 bar (3 psi)
Minimum air pressure 7 bar (102 psi)
Maximum air pressure 12 bar (174 psi)