Polaris FST IQ Cruiser Owner's Manual page 115

MAINTENANCE
Engine Oil
Oil Change
18. Remove the oil filter cap, then remove the oil filter. Inspect the o-
ring and replace it if it's worn or damaged.
19. Install a new filter, then reinstall the cap. Tighten the cap to 18.5 ft.
lbs. (25 Nm).
20. Remove the jumper from the starter motor wiring harness. Recon-
nect the solenoid and the originally-installed harness. Reinstall the
20A EFI Fuse.
21. Remove the dipstick from the oil tank. Add 2 quarts (1.9 liters) of
the recommended oil. Reinstall the dipstick.
22. Make sure the engine coolant temperature is between 145 and 160
degrees F. (63-71 degrees C). If necessary, start the engine and
allow it to idle until the coolant temperature is within the specified
range.
23. Remove the dipstick from the oil tank. Clean the dipstick with a
clean shop towel and reinstall it, screwing it in completely.
24. Remove the dipstick and view the oil level.
112
Fill mark for oil changes
(at specified coolant temperature)
Safe operating range