2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 86Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 86

ENGINE Piston Removal 1Remove circlipNote piston directional arrow pointing toward the right (Mag) side of engine4Repeat
Do not apply heat to the piston ringsThe ring may lose radial tension3Remove top compression ring5Remove the top rail first
followed by the bottom rail6Remove the expander Using piston ring pliers: Carefully expand ring and lift it off the pistonCAUTION:
Do not expand the ring more than the amount necessary to remove it from the piston, or the ring may breakBy hand: Placing
both thumbs as shown, spread the ring open and push up on the opposite sideDo not scratch the ring lands 99234122012 Sportsman