Maintenance, Tires – Polaris Sportsman 9921828 User Manual
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MAINTENANCE
Tires
Operating your ATV with worn tires, improperly inflated tires, non-standard tires 
or improperly installed tires will affect vehicle handling and could cause an 
accident resulting in serious injury or death. Always follow all tire maintenance 
procedures as outlined in this manual and on the labels on the vehicle. Always 
use original equipment size and type when replacing tires.
Refer to the specifications section beginning on page 124 for recom-
mended tire type, size and pressure.
Tire Tread Depth
Always replace tires 
when tread depth is 
worn to 1/8" (3 mm) 
or less.
Front Wheel Hub Tightening
Front wheel bearing tightness and spindle nut retention are critical com-
ponent operations. All service must be performed by your authorized 
Polaris dealer.
Wheel Removal
1. Stop the engine.
2. Place the transmission in PARK.
3. Lock the parking brake.
4. Loosen the wheel nuts slightly.
WARNING! Do not service axle nuts that have a cotter pin installed. See your 
Polaris dealer.
5. Elevate the side of the vehicle by placing a suitable stand under the
footrest frame.
6. Remove the wheel nuts.
7. Remove the wheel.
WARNING
1/8" (3 mm)