Polaris Sportsman 550 EFI - Manual (Page 41)

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FEATURES AND CONTROLS
All Wheel Drive System
2X4 Mode
When the switch is on 2X4, the ATV is in two-wheel drive at all times.
TURF Mode
When operating in TURF mode, the inside rear wheel will rotate inde-
pendently from the outside wheel during turns. Operate in TURF mode
only as needed to protect smooth, level surfaces from tire damage. DO
NOT operate in TURF mode when climbing or descending hills, when
sidehilling, or when operating on uneven, loose, or slippery terrain such
as sand, gravel, ice, snow, obstacles, and water crossings. Always oper-
ate in ADC 4X4 or 4X4 on these types of terrain.
WARNING! Operating in TURF mode when on sloped, uneven, or loose terrain
could cause loss of control and result in serious injury or death. One rear wheel
may slip and lose traction or may lift up and grab when it touches the ground
again.
Engaging 4X4
The 4X4 switch may be turned on or off while the vehicle is moving.
Initially, the vehicle's electronic system will not enable 4X4 until the
engine RPM is below 3100. Once enabled, 4X4 remains enabled until
the 4X4 switch is turned off. If the switch is turned off while the demand
drive unit is moving, it will not disengage until the rear wheels regain
traction.
Engage the 4X4 switch before getting into conditions where front wheel
drive may be needed. If the rear wheels are spinning, release the throttle
before switching to 4X4.
NOTICE: Switching to 4X4 or ADC 4X4 while the rear wheels are spinning may
cause severe drive shaft and gearcase damage. Always switch to
4X4 or ADC 4X4 while the rear wheels have traction or are at rest.