Bushing question

I have a 2018 570 (non-EPS) that has about 500 miles on it. I got it used so I can say how it was maintained. But the rear suspension of the bike squeaks like crazy. I tried greasing every point I could, but it didn't help at all. Is this a common thing? And does anyone make a better performing bushing set?

13′ Sportsman 500 HO Front diff cracked

Looking for some guidance. I have a 2013 Sportsman 500. The front diff cracked at the mounting bolts. :| Likely from snow plowing.

I see a new OEM is $1300. I find this a bit much. I would make this a 2wd unit before I did that. There has to be a used aftermarket option or a way to purchase a OEM housing and I can rebuild it with my guts. Anyone know of a site they can share where I can start?

TY All

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