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34
MAINTENANCE WORK ON CHASSIS AND ENGINE
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Dismounting and mounting the front wheel (SXC)
To remove the front wheel, jack the motorcycle up on its frame so that the
front wheel no longer touches the ground.
Loosen both clamp screws [1] on the left fork leg. Then loosen the collar nuts
[2] before loosening the clamp screws [1] on the right fork leg.
Hold the front wheel and withdraw the wheel spindle [3].
– Do not operate the hand brake when the front wheel has been dismounted.
– Always place the wheel on the ground with the brake disc pointing upwards.
Otherwise the brake disc may be damaged.
To install the front wheel, lift it into the fork, position and mount the axle
shaft. Mount the collar nut [2], tighten the clamping screws [1] on the right
fork leg axle passage to prevent the axle shaft from turning and tighten the
collar nut to 40 Nm (30ft.lb).Loosen the clamp screws on the right fork leg.
Take the motorcycle down from its stand. Press the front wheel brakes and
push down on the fork a few times vigorously so that the fork legs come into
alignment.Only after this has been accomplished, tighten the clamp screws
on both fork legs with 15 Nm
– If you don’t happen to have a torque wrench at hand, make sure you have
the tightening torque corrected by a KTM dealer as soon as possible. A
loose axle may lead to an unstable driving behavior of your motorcycle.
– After mounting the front wheel, keep operating the hand brake until the
pressure point returns.
– It is very important to keep the brake disk free from oil and fatty matters,
eitherwise the braking effects would be strongly reduced.
Dismounting and mounting the front wheel (SMC)
To remove the front wheel, jack the motorcycle up on its frame so that the
front wheel no longer touches the ground.
To remove the front brake caliper, remove both screws [4] and pull the caliper
backwards from the brake disc.
Loosen both clamp screws [5] on the left fork leg.
Then loosen the collar nuts [6] before loosening the clamp screws [7] on the
right fork leg.
Hold the front wheel and withdraw the wheel spindle [8].
NOTE: The wheel spindle can be easily removed if you slightly revolve it with
a ring spanner (SW 27 mm).
Carefully remove the front wheel from the fork.
– Do not operate the hand brake when the front wheel has been dismounted.
– Always place the wheel on the ground with the brake disc pointing upwards.
Otherwise the brake disc may be damaged.
To install the front wheel, lift it into the fork, position and mount the axle
shaft. Mount the collar nut [6], tighten the clamping screws [7] on the right
fork leg axle passage to prevent the axle shaft from turning and tighten the
collar nut to 40 Nm.
After mounting the front wheel, slide the brake caliper to the brake disc. Remove
the grease from the threads of both screws [4] and apply Loctite 243. Tighten
the screws with 40 Nm.
Loosen the clamp screws on the right fork leg. Take the motorcycle down from
its stand. Press the front wheel brakes and push down on the fork a few times
vigorously so that the fork legs come into alignment.
Only after this has been accomplished, tighten the clamp screws on both fork
legs with 15 Nm.
– If you don’t happen to have a torque wrench at hand, make sure you have
the tightening torque corrected by a KTM dealer as soon as possible. A
loose axle may lead to an unstable driving behavior of your motorcycle.
– After mounting the front wheel, keep operating the hand brake until the
pressure point returns.
– It is very important to keep the brake disk free from oil and fatty matters,
eitherwise the braking effects would be strongly reduced.
– The screws 1 must be secured with Loctite 243.
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