Yes the new clutching will make a bigger difference. Also likely why they are spec with taller gearing.
The weak little Polaris liberty is able to run stock 2.09 gear ratio. It's obviously a lesser powered motor, sure, but it's drive components make up for it.
About time Doo did away with that TRA junk. Nothing worse than rebuilding a clutch every 1000km. Oh yes and of course someone is going to say I have 5000km on my TRA and never touched it. Good for you! Do you know how out of spec the components of that clutch are! Haha
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the TRA was the greatest clutch ever.......until they copied others designs