Hey guys, I have a kx121-3 I just bought, the tracks are too tight, it has 1000hrs on it and sprockets are sharp unfortunately. I took the grease fitting out for the tracks in hopes that the track would loosen like my d3, but didn't move, and I even ran it back and forth in place for a little bit with the fitting off. And still didn't loosen. Any advice would be greatly appreciated. Thanks!
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