13 WHEELS, TIRES 56
13.3 Removing rear wheel x
Preparatory work
– Raise the motorcycle with a lift stand. ( p. 27)
(50 SX)
– Remove the chain guard. ( p. 37)
101950-11
Main work
– Remove nut 1.
– Remove the washer 2.
– Pull out the wheel spindle 3 with the washer 4.
– Remove the chain from the rear sprocket.
– Take the rear wheel out of the swing arm.
Info
Do not operate the foot brake when the rear wheel is removed.
Always lay the wheel down in such a way that the brake disc is not dam-
aged.
13.4 Installing the rear wheel x
Warning
Danger of accidents Reduced braking efficiency due to oil or grease on the brake discs.
– Always keep the brake discs free of oil and grease, and clean them with brake cleaner when necessary.
101950-10
Main work
– Check the wheel bearing for damage and wear.
» If the wheel bearing is broken or worn:
–
Change the wheel bearing. x
– Clean and grease wheel spindle 1.
Long-life grease ( p. 83)
– Lift the rear wheel into the swingarm and place the chain on the rear sprocket.
– Insert the wheel spindle 1 with the washer 2.
– Position washer 3. Mount nut 4, but do not tighten it yet.
– Make sure that the chain adjuster support plates are in contact with the adjusting
nuts.
– Check the chain tension. ( p. 39)
– Tighten nut 4.
Guideline
Nut, rear wheel spindle M12x1 40 Nm
(29.5 lbf ft)
– Operate the foot brake lever repeatedly until the brake linings lie on the brake disc
and there is a pressure point.
Finishing work
(50 SX)
– Install the chain guard. ( p. 38)
– Remove the motorcycle from the lift stand. ( p. 27)
13.5 Checking the tire condition
Info
Only mount tires that have been approved and/or recommended by KTM.
Other tires could have a negative effect on riding behavior.
The type, condition and air pressure of the tires all have an important impact on the riding behavior of the motorcycle.
The front and rear wheels must be mounted with tires with similar profiles.
Worn tires have a negative effect on riding behavior, especially on wet surfaces.
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