Polaris 400 H.O. Offroad Vehicle User Manual

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 118 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.
1/8" (3 mm)