Polaris Turbo IQ LXT Owner's Manual page 57

THE PERFECT FIT
IQ Front Suspension Adjustments
Front Shock Spring Preload
The factory preload setting should be appropriate for most riders and
conditions. Please see your POLARIS dealer for assistance before
attempting to adjust preload.
Increasing the spring preload too much may adversely affect the han-
dling of the snowmobile and the performance of the rear suspension.
Decreasing the spring preload too much may allow the lower spring
retainer to fall off.
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