Polaris Trail Boss 9921784 - Manual (Page 65)

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MAINTENANCE
Engine Oil
Oil Recommendations
Polaris recommends the use of Polaris PS-4 PLUS Performance Syn-
thetic 2W-50 4-cycle oil or a similar oil for this engine. Oil may need to
be changed more frequently if Polaris oil is not used. Always use 2W-50
oil. Follow the manufacturer's recommendations for ambient tempera-
ture operation.
NOTICE: Mixing brands or using a non-recommended oil may cause serious
engine damage. Always use the recommended oil. Never substitute
or mix oil brands.
Oil Specifications
Oil Level
The oil dipstick is located on the left side of the vehicle.
1. Position the vehicle on a level surface. Place the transmission in
neutral. Lock the parking brake.
2. Start the engine. Allow it to idle for 30 seconds. Stop the engine.
3. Remove the dipstick. Wipe it dry with a clean cloth.
4. Reinstall the dipstick completely.
5. Remove the dipstick and check the oil level. Add oil as needed.
Maintain the oil level in the safe range. Do not overfill.
6. Reinstall the dipstick.
Lubricant Capacity Drain Plug Torque
PS-4 PLUS Performance
Synthetic 2W-50 4-Cycle Oil
1.9 qts. (1.8 l) (with oil cooler)
1.7 qts. (1.6 l) (oil change only)
14 ft. lbs. (19 Nm)
{
Safe Range
Dipstick