Been working fine for the last 25k miles. Nice and quite and not a lot of pressure on the bearings. It does tighten some, not much, when it gets hot. Been working with cog belts for a long time and don't remember any manufacturer running them as tight as Polaris says to run them.
From a online website:
Belt tension can also be measured, or estimated, by causing the belt to deflect by a given amount (typically 1/64 inch per inch of belt span, or 0.4 mm per 25 mm of belt span) with a specified force. Often referred to as the force-deflection method, the minimum and maximum forces necessary to produce the specified deflection for a given tension are calculated via formulas. Note that this method is best used on belts with longer span lengths.
In the force-deflection method, a specified force is used to create a given deflection in the belt
https://www.google.com/amp/s/w…toothed-belt-tension/amp/
I am not by my SS at the moment so I cannot measure the span length but I bet it comes close to a number that is close to where my belt is.
LC