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MAINTENANCE
Engine Intake Restrictor Plate
Some RANGER 800 models are equipped with an intake restrictor plate in order to meet
vehicle class regulations. This plate MUST NOT be removed for any reason. Removal of the
intake restrictor plate will void the warranty on the vehicle.
Engine Oil
Always check and change the engine oil at the intervals outlined in the Periodic Maintenance
Chart beginning on page 43. Always change the oil filter whenever changing oil.
WARNING! Vehicle operation with insufficient, deteriorated, or contaminated engine oil will cause
accelerated wear and may result in engine seizure, accident, and injury. Always perform the
maintenance procedures as outlined in the Periodic Maintenance Chart.
Oil Recommendations
POLARIS recommends the use of POLARIS PS-4 PLUS Performance Synthetic 2W-50 4-
cycle oil or a similar oil. See page 84 for the part numbers of POLARIS products.
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.
Always check and change the oil at the intervals outlined in the Periodic Maintenance Chart
beginning on page 43. Always use the recommended engine oil.
Oil Check
The oil dipstick and fill tube is located on the engine.
1. Position the vehicle on a level surface.
2. Remove the seat and the underseat storage box.
3. Lift the lever lock to remove the dipstick. Wipe it dry
with a clean cloth.
4. Reinstall the dipstick completely, but do not lock it. The
dipstick must be screwed completely in to keep the angle
and depth of the stick consistent.
5. Remove the dipstick and check the oil level. Maintain
the oil level in the safe range. Do not overfill.
Tip:Due to the dipstick entry angle into the crankcase, the oil level
will read higher on the bottom side of the dipstick. Always read
the level on the upper surface of the dipstick.
6. After reinstalling the dipstick, be sure to seat the lever
lock.
7. Reinstall the underseat storage box and the seat.
Safe
{
Safe
Range
Check Level
on Top Side
Dipstick
Add