Polaris FST IQ Touring Offroad Vehicle User Manual


 
146
TROUBLESHOOTING
IQ Comfort Suspension Troubleshooting
Problem Solution
Rear suspension bot-
toms too easily
Adjust torsion spring preload to achieve proper static sag
(see page 58).
Change torsion spring to stiffer optional spring (see your
dealer).
Rotate RRSS to higher position (see page 61).
Rides too stiff in rear Check for binding suspension shafts and grease all pivot
points.
Adjust torsion spring preload to achieve proper static sag
(see page 58).
Change torsion spring to softer optional spring (see your
dealer).
Check track tension (see page 130).
Rotate RRSS to lower position (see page 61).
Snowmobile darts
from side to side
Check ski alignment (see page 134).
Make sure spindles and all steering components turn freely.
Check for excessive play in steering assembly (see your
dealer).
Ensure skags are straight on skis.
Set static sag (see page 58).
Check rail slide/replace if worn (see page 132).
Install Accu-Trak dual skags (see your dealer).
Front end pushes Check for worn skags.
Check for binding front suspension shafts and steering
components, grease all pivot points (elevate front of
machine).
Set static sag (see page 58).
Install single skag (see your dealer).
Increase IFS preload (if equipped) (see page 55).
Rotate RRSS to higher position (see page 61).
Steering is heavy Make sure spindles and all steering components turn freely.
Check ski alignment (see page 134).
Check skags and skis for damage.
Set static sag (see page 58).