2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 244Get this manual
Rear Suspension NOTE: By design, the BIASED COUPLE design of the M-10 suspension displaces the rear arm as the front arm is compressedThis means that when you raise the front limiter strap, at some point you will collapse the rear suspension arm, which will affect SAG height and reduce rear suspension travelB A
RAIL SLIDER
Wear Limit
Replace sliders when wear exceeds notchIf sliders look "wavy" in appearance, check and adjust track tension or consider adding more bogie wheels