Polaris Sportsman 800 Big Boss - Manual (Page 82)

79
MAINTENANCE
Middle Gearcase Oil
Always check and change the mid-
dle gearcase oil at the intervals
outlined in the Periodic Mainte-
nance Chart beginning on page 67.
We recommend the use of Polaris
ATV Angle Drive Fluid (or GL5
80-90 weight gear lube). See page
124 for the part numbers of Polaris
products.
The middle gearcase fill plug is
located on the side of the gearcase.
Maintain the oil level even with
the bottom thread of the fill plug
hole.
Oil Check
1. Position the vehicle on a level surface.
2. Remove the fill plug. Check the oil level.
3. Add the recommended oil as needed.
4. Reinstall the fill plug. Torque to 14 ft. lbs. (19 Nm).
Oil Change
1. Remove the fill plug.
2. Remove the drain plug from the bottom of the gearcase. Drain the
oil into a drain pan. Discard used oil properly.
3. Clean and reinstall the drain plug. Torque to 14 ft. lbs. (19 Nm).
4. Add 17 oz. (500 ml) the recommended fluid.
5. Reinstall the fill plug. Torque to 14 ft. lbs. (19 Nm).
6. Check for leaks
Drain Plug
Check/Fill Plug