KTM 125 Duke EU 2015 Owner's Manual page 114

13 WHEELS, TIRES
Main work
(Option: Without ABS)
–
Remove nut
–
Remove chain adjuster
–
Hold rear wheel and wheel spindle
–
Push the rear wheel forward as far as possible and take the chain off the rear
sprocket.
–
Pull the rear wheel back and take it out of the swingarm.
S00673-10

and washer.

.
Warning
Danger of accidents Reduced braking effect caused by damaged brake
discs.
–
Always lay the wheel down in such a way that the brake discs are not
damaged.
Info
Do not operate the foot brake lever when the rear wheel is removed.
 pull out with washer and chain adjuster
112
 .