Polaris FST IQ Cruiser Owner's Manual page 161

TROUBLESHOOTING
SwitchBack Suspension Troubleshooting
Problem
Rear suspension
bottoms too easily
Rear suspension
rides too stiff
Too much weight
transfer when
climbing
Too little weight
transfer when
climbing
Front end pushes
Steering is heavy
Machine darts from
side to side
158
Solution (Perform only one change at a time)
• Verify sag dimension (see page 58). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
• Increase shock compression damping (see page 64).
• Check for binding suspension components and grease all
pivot points.
• Verify sag dimension (see page 58). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
• Decrease shock compression damping (see page 64).
• Verify sag dimension (see page 58). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
• Move limiter strap on front torque arm to high position (see
page 63).
• Verify sag dimension (see page 58). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
• Move limiter strap on front torque arm to low position (see
page 63).
• Check for worn skags
• Check for binding front suspension shafts and steering com-
ponents, grease all pivot points (elevate front of machine).
• Verify sag dimension (see page 58). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
• Increase IFS preload (see page 55).
• Move limiter strap on front torque arm to high position (see
page 63).
• Check skags and skis for damage.
• Check ski alignment (see page 146).
• Make sure spindles and all steering components turn freely.
• Verify sag dimension (see page 58). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
• Adjust IFS preload (see page 55).
• Adjust RIDER SELECT (see page 34).
• Check ski alignment (see page 146).
• Check for binding front suspension shafts and steering com-
ponents, grease all pivot points (elevate front of machine).
• Ensure skags are straight on skis.