2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 249Get this manual
CLUTCHING 5Remove the spider assembly and spring (B)NOTE: Spring is compression only and has no torsional wind9Press out the spring pins (I) in the inner sheave10Pull out the clutch roller pins (J) and rollers (K)6Remove the inside spider plate (D) and spider dampener (E)Inspect the spider dampener (E) for wear and replace if needed
11Press the shaft and bearing out of the outer sheave using an arbor press7Remove the E-clips (F), washers (G), and the clutch rollers (H)Inspect the rollers for wear; replace if worn