Polaris 9920183 Owner's Manual For Maintenance And Safety page 139

MAINTENANCE AND LUBRICATION
Tires
WARNING
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.
Maintain proper tire pressure as described on the ATV decal and in the owner's
manual.
Always use original equipment size and type when replacing tires.
Make sure the wheels are installed properly.
Always replace tires when the tread depth measures 1/8" (.3 cm) or less.
136