Snowmobile Polaris Turbo IQ LXT (2014 year). Instruction - part 13

55

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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THE PERFECT FIT

IQ Front Suspension Adjustments

Shock Valving

The shocks can be revalved if spring preload alone isn't sufficient and 
further adjustment is desired to control suspension stiffness.

WARNING! Changing shock valving requires special tools and a sound 
knowledge of mechanical theory, tool use, and shop procedures to perform the 
work safely and correctly. Shocks contain high-pressure nitrogen gas. Use 
extreme caution when handling high-pressure service equipment. We 
recommend that this work be performed by a POLARIS dealer.

Front Springs

The front spring rates can be adjusted by changing the nitrogen pressure. 
The upper chamber adjusts the main spring rate. The lower chamber 
adjusts preload. See your POLARIS dealer for more information.

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THE PERFECT FIT

Rear Suspension Adjustments

Rider weight, riding style, trail conditions, and vehicle speed all affect 
suspension action.

Each rear suspension can be adjusted to suit rider preference and deliver 
excellent performance for a given set of conditions. However, all sus-
pension designs and adjustments involve a compromise, or trade-off. 
For example, a suspension set up for snow-cross racing would provide a 
very stiff ride on the trail. A suspension set up for trail riding would bot-
tom out harshly on a snow-cross course.

Make adjustments to one area at a time so you can evaluate the change. 
For further assistance, see your dealer.

Suspension Performance Tips

• Rider weight usually determines the position at which the spring pre-

load should be set. However, this may vary with riding style. With a 
little experimentation, each rider can find a preferred set-up. These 
adjustments are easy to make, involve very little time or effort, and 
greatly affect the ride.

• In deep snow, a new rail slide will offer improved performance over a 

worn slide. It can also improve top speed.

• POLARIS offers track kits for improved flotation in deep snow. See 

your dealer for assistance.

Tip: Keep the suspension pivot points lubricated. This will reduce moisture and 

rust build-up and ensure proper function of the suspension components. 
Grease rear suspension pivots before adjusting the rear suspension. Refer 
to the suspension lubrication information beginning on page 103.

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THE PERFECT FIT

IQ Rear Suspension Adjustments

Initial Spring Preload Setting (Sag Method)

To set up the rear suspension torsion 
spring preload, measure the distance 
between the ground and rear bumper. 
This is measurement X.

Take the first measurement with no 
rider and with the rear suspension at 
full extension. 

Tip: The rear bumper may need to be 

lifted upward slightly to fully extend 
the rear suspension.

Next, have the rider drop down hard 
on the seat and bounce up and down 
several times, collapsing the rear 
suspension. With the rider seated, 
measure the distance between the 
ground and the rear bumper at the 
exact location used for measure-
ment X. This is measurement Y.

To determine sag, commonly 
referred to as ride-in, subtract measurement Y from X (sag=X-Y). If the 
measured sag is incorrect, adjust the FRA position and/or rear torsion 
spring preload.

Tip: This is only an initial setup, and final spring preload may vary based on rider 

preference and riding conditions. Accessory springs with a higher load 
rating are available for Touring models with the IQ Comfort rear suspension, 
P/N 7043368 (left) and P/N 7043369 (right). Please see your dealer for 
availability.

Suspension

Recommended Sag

Adjustment

See 

Page

IQ Comfort 

(136)

4-5 inches (10-13 cm)

Torsion Spring 

Preload

59

X

Y

With Rider

No Rider