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Discussion Starter · #1 ·
I have a 250 97 trail boss that runs, and shifts good.

I have a set of wheels and tires that are 25x11x12 that I want to put on the back. I know some of these quads have the 14t front sprocket, I have the 12t already on mine. Will these bigger wheels tear up the transmission? I found some 11t sprockets on ebay that I could fit if it didnt have enough in the low end. Overall its a 12% increase in tire size on the back.

stock size front 23x7x10
Current Size 25x8x12

Stock size rear 22x11x10
want to run 25x11x12
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