THIS INFORMATION IS SOLELY BASED ON THE TANK IN QUESTION (originally questioned and pictured by Cox13856) AND NO OTHER SKI-DOO CONPONENTS, there are many other items and one other tank that I'm aware of but I'm only basing my findings on the above tank.
Okay, it is confirmed, the UP NORTH TECHNOLOGIES adapter plate is a go/no go, win/failure. I contacted Ken @ UNT by email Saturday and again today with the new Intel, informing them of the issues but it's only Monday so we'll see if he contacts me back.
ISSUES; The Plate is a go if you're only wanting to use it as a stand alone system. It will only work as a one rider and without any form of extended racking, BRP's 4" or 6" LiNQ extensions.
For the plate to work with the extensions it would require moving the SKI-DOO mounts forward AND clearancing/notching the rear area that meets the racks rear connections to the LiNQ rack on the Outlander. If the spacers were 1/4" taller this would not be an issue but it's going to be one or the other, Clearance/notch the plate or make the four spacers a 1/4" taller.
As for the Two-up situation it would require the SKI-DOO mounting perches to be moved rearward, this is simple but if you're ever wanting to do anything else with the rack not so much.
As for riding two-up and having extension racks....well lets just say it's an absolute failure! For this modification plate/adapter to even work in this manner it will require a very interesting approach. You would have to either raise the front located behind the seat 45 degrees and make spacers front and rear with 45 degree cuts for the bottom of the plate and a small 45 degree one for the top to alien the mounting hardware thus not to bind anything or create a very ugly finished product. Or raise the entire plate and move it rearward which then the mounting holes for the existing BRP LiNQ rack mounting holes will no longer line up and make the entire plate pointless because you're now drilling into your factory rack which completely goes against the purchase entirely.
Finally, if you're only looking to use it as a single rider and without using anything else BRP offers in either the BRP Outlander or SKI-DOO equipment line-ups then you're a GO but in reality if there is ever a chance you're going to Two-up or utilize your rack for anything else this modification is pointless and a waste of $99.00, period!
Hope this helps, SALUTE!