2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 246Get this manual
CLUTCHING Clutch Assembly
4Line up boss spline and push helix down until it engages the splines 12" to 34"
Example: Spring Position
Helix 221211-
Moveable Sheave 3
Spring Tension Heavy 5While holding downward pressure on helix, wind moveable sheave counterclockwise approximately 1 turn (120)