Troubleshooting, Suspension troubleshooting (switchback) – Polaris FST Touring User Manual
Page 141

138
TROUBLESHOOTING
Suspension Troubleshooting (Switchback)
Problem
Solution (perform only one change at a time)
Rear suspension
bottoms too easily
S
Verify sag dimension (see page 50). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
S
Increase shock compression damping (see page 53).
Rear suspension
rides too stiff
S
Check for binding suspension components and grease all
pivot points.
S
Verify sag dimension (see page 50). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
S
Decrease shock compression damping (see page 53).
Too much weight
transfer when
climbing
S
Verify sag dimension (see page 50). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
S
Move limiter strap on front torque arm to high position (see
page 51).
Too little weight
transfer when
climbing
S
Verify sag dimension (see page 50). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
S
Move limiter strap on front torque arm to low position (see
page 51).
Front end pushes
S
Check for worn skags
S
Check for binding front suspension shafts and steering com-
ponents, grease all pivot points (elevate front of machine).
S
Verify sag dimension (see page 50). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
S
Increase IFS preload (see page 47).
S
Move limiter strap on front torque arm to high position (see
page 51).
Steering is heavy
S
Check skags and skis for damage.
S
Check ski alignment (see page 126).
S
Make sure spindles and all steering components turn freely.
S
Verify sag dimension (see page 50). Adjust torsion spring
blocks or install optional torsion springs to achieve correct
sag dimensions.
S
Adjust IFS preload (see page 47).
S
Adjust RIDER SELECT (see page 31).
Machine darts from
side to side
S
Ensure skis are properly aligned (see page 126).
S
Check for binding front suspension shafts and steering com-
ponents, grease all pivot points (elevate front of machine).
S
Ensure skags are straight on skis.