Polaris SPORTSMAN 850 HIGH LIFTER EDITION 2020 Owner's Manual page 100

MAINTENANCE
The air temperature in the clutch cover is substantially reduced by using low
range while operating at low ground speeds. Reducing the temperature inside
the clutch cover greatly extends the life of the PVT components (belt, cover,
etc.).
WHEN TO USE LOW RANGE AND HIGH RANGE
CONDITION
Operating at speeds less than 7 MPH
(11 km/h)
Towing heavy loads
Operating in rough terrain (swamps,
mountains, etc.)
Operating at speeds greater than 7
MPH (11 km/h)
PVT DRYING
There may be some instances when water is accidently ingested into the PVT
system. Use the following instructions to dry it out before operating.
1. Position the vehicle on a level surface.
2. Remove the drain plug. Allow the water to drain completely. Reinstall the
drain plug.
3. Start the engine. Place the transmission in PARK.
4. Apply varying throttle for 10-15 seconds to expel the moisture and air-dry the
belt and clutches. Do not hold the throttle wide open for more than 5
seconds.
5. Allow the engine RPM to settle to idle speed, then shift the transmission to
low range.
6. Test for belt slippage. If the belt slips, repeat the process. Your vehicle
requires service as soon as possible, which your authorized dealer can
provide.
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RANGE TO USE
Low
Low
Low
High