2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 325Get this manual
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REAR SUSPENSION Spring preload 1 Adjust: Spring preload
Standard ShorterLonger Harder Min203 mm (7.99 in) 213 mm (8.39 in)
! Softer Max215 mm (8.46 in)
358.5 mm 368.5 m