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Hey guys for the 2021 kaos 155 Qd2 with 2.75'' track i want to put a 165 3'' track under it. Wondering if i am going to have to change the gear ratio? looking on polaris parts website and it looks like to me that the gears, helix,springs, and weights are the same for a 155/165. Is that right ? I would have thought some things would be different