KTM 450 EXC-R EU - Manual (Page 25)

OPERATING ELEMENTS
23
ದ Insert the key in the steering lock, turn it to the left, press it in and turn it to the right. Remove the key.
Steering is no longer possible.
Info
Never leave the key in the steering lock.

Unlocking the steering (EXC-R bEU, EXC-RbAUS/UK, EXC-RbUSA)
ದ Insert the key in the steering lock, turn it to the left, pull it out and turn it to the right. Remove the key.
You can now steer the bike again.
Info
Never leave the key in the steering lock.