Belt and cv joint inspection

Looking for help in inspecting the belt and front outer cv joint on my 2011 500 ho.

The belt appears to be original and has 3000 miles with oversized tires. There was no noise or loss in power. It measures 1 1/16" wide. Should it be changed?

The cv joint was making noise when you turn sharply. The boot was fine but it didn’t have enough grease. It turns freely and doesn’t appear to be broken or loose. Can it be liberally greased and reused?

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