2007-2011 Polaris IQ Snowmobiles Service Manual, Page 153Get this manual
Maintenance Track Tension
Track tension is critical for maintaining correct suspension operationIf the track tension is too loose it may cause the track to slip or "ratchet"If the track is too tight it will wear down the rail slides, reduce top speeds, cause rear suspension vibration and cause track and rear suspension durability problems8Turn each adjuster bolt (C) clockwise to tighten trackTurn the adjuster bolt counterclockwise to loosen track tension9Torque the lock nuts (B) and idler shaft bolts on each side to 35 ft-lb (48 N-m)SUSPENSION MEASUREMENT
IQ 121 136 Coupled 136 Comfort M-10 128 M-10 136 IQ RMKSwitchback WidetrakAssault
781-18 (2.22.9cm) 781-18 (2.22.9cm) 341.0 (1.92.5cm) 3812 (11.3cm)