Advrider inmate Smackit designed a great adapter that enabled perfect fitment of Garmin Montana 700i onto Perun moto KTM 1090/1190 GPS mount.
Garmin Montana 700 - Updates To Map Manager - Outdoor Maps+
Garmin Montana 700 mount hack
Garmin Montana 700i on Perun moto 1090/1190 GPS Dashboard mount
Garmin Montana 700 – Motomox
D12 AMPS GPS Mount — Vanasche Motorsports
KTM - Adventure Motorcycle Magazine
Perun moto blog Tagged KTM 1090 - Perunmoto
Garmin Montana 700i Review: Motorcycle GPS Adventure Partner
Perun moto blog Tagged KTM 1090 - Perunmoto
GPS (Montana) bracket for KTM 1090 Adventure R - Perunmoto
KTM - Adventure Motorcycle Magazine
SW-Motech GPS holder for KTM 1090 Adventure R - Perunmoto
KTM - Adventure Motorcycle Magazine