Polaris A12MH46AX Service Manual page 250

CLUTCHING
12. Inspect the bearing for wear. Spin the bearing, if the
bearing does not spin smoothly, replace it. To replace
the bearing, remove the snap ring from the end of the
shaft and press the bearing off the shaft.
13. Inspect the cam (helix) assembly bushing for wear. If
the bushing is worn or the shaft does not fit snug into
the bushing, replace the cam (helix) assembly.
Inspect Bushing
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9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
14. Inspect the clutch sheaves for excessive wear or
damage.
Inspect Sheave Surface