2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 246Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 246

CLUTCHING Clutch Assembly 4Line up boss spline and push helix down until it engages the splines 12" to 34" Example: Spring
spring tab into hole #2 in moveable sheave3Insert spring tab into proper hole in helixSee "Clutch Chart" of the specifications
page in Chapter 1The driven clutch, helixmoveable assembly has several different spring locations which affect clutch shifting
and RPMsThe greatest amount of spring tension will raise engine RPMs during clutch upshift and allow quicker backshift or
downshift when pulling or negotiating hill, for exampleThe least amount of tension will create slower downshift and harder