2008 Polaris Sportsman 700/800/700 X2 EFI Service Manual, Page 198Get this manual
CLUTCH SYSTEM 15Install the cam assembly (helix) over the shaftLine up the "X" on the cam, "X" on spider, and "X" on the stationary sheave or use the marks previously made before disassemblyNOTE: If the cam assembly (helix) is difficult to install, be sure the sheaves are alignedTo align the sheaves place the clutch assembly on flat surface with the cam assembly (helix) side downPress down on the moveable sheave belt face with both hands and the helix will releasePress Down to Loosen Helix