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10.8 FRONT SUSPENSION/STEERING SPRINGS Two types of springs are employed in Polaris suspensions, coil • Free length - the length of a coil spring with no load applied to the spring • Installed length - the length of the spring between the spring retainers. If the installed length of the spring is • Spring rate - the amount of force required to compress a coil spring one inch. For example, if 150 pounds of • Straight rate spring - the spring requires the same amount of force to compress the last one inch of travel • Progressively wound spring - the rate of the spring increases as it is compressed. For example, a 100/200 When a bump is encountered by the suspension, the force of COMPRESSION DAMPING ADJUSTABLE Snowmobiles equipped with the Indy Select or Ryde FX Locate the adjustment screw near the base of the shock. By turning the screw clockwise (a small screwdriver or dime If the suspension is "bottoming," tighten the compression 7041701 10.57 120 9” .295” 1.89” 2.49 No 7041820 5.98 140 4” .250” 1.89” 2.43 No 7041821 5.91 160 4” .262” 1.89” 2.49 No 7041826 9.19 160 7” .306” 1.89” 2.54 No 7041826 8.85 180 7” .312” 1.89” 2.54 No 7041828 9.61 200 7” .331” 1.89” 2.59 No 7041829 8.92 220 7” .331” 1.89” 2.59 No 7041927 16.15 68/160 13” .295” 1.89” 2.54 Yes 7041950 13.80 68/160 11.57” .331” 1.89” 3.125 Yes 7042052 11.7 110 12 0.343 1.87 3 NO 7042074 11.625 90/180 Var 10.65 0.343 1.89 3.2 YES 7042187 13.76 68/160 12.55 0.343 1.89 3.18 YES 7042195 14 90/180 Var 13 0.362 1.89 3.2 YES 7042263 80/110 Var 10.78 0.331 1.89 3.25 YES 7042314 10.64 75 10.01 0.281 1.89 2.71 YES 7042315 10.89 55 9.85 0.262 1.89 2.66 YES Table 10-1: IFS Shock Springs Part Number Total # of Coils Rate #/in) Free Length Wire Via. I.D." O.D.” Tabbed? |