The links are not in english but the manuals are!
Directory Listing of /info-kioti/Werkstättenhandbücher/
Enjoy:)
CK 20
CK 22
CK 25-30
CK 35
CK 2810
CS2610
DK 35-40-450
DK 45-50
DK 451
DK 751
DK 901
DS 4510
DX 7510-9010
EX 45-50
LX 500
NX Series
RX6010
RX6020 - 7320