06 grizzly clutch hub one way bearing

Hello everyone i have a lot of noise coming from the clutch side of my quad. I have it all apart and all i see is the grease in the primary housing is black a little bit of dry stuff hear and there,
the noise gets loader when i rev it. the belt and sheaves look good, the the bearings look and feel OK. dose anyone no what a bad clutch hub bearing would sound like again it looks and feels OK. the noise sounds like a tin can with some pebbles in side, not much of a discription sorry for the spelling I’m old

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thanks for any input merv. What kind of grease should i use inside the primary

4500 miles on odometer