How to Change Polaris Sportsman Oil & Air Filter

Changing the oil and air filter on a Polaris ATV is pretty straightforward “do it yourself” maintenance. The Polaris oil change kit for the Sportsman includes 2 quarts of oil and a replacement oil filter. 

Since the oil and air filter should be changed at about the same time, we highly recommend doing both now. Watch the video above and follow the steps below to do a Polaris Sportsman ATV oil and air filter change.   

Tools and Parts - Polaris Sportsman 850 Oil Change 

Polaris PS-4 oil change kit

Polaris ATV air filter

How to Change Polaris Sportsman 850 Oil

Step 1. Start the engine, and let it idle for 2-3 minutes to allow the oil to warm up. This makes draining the oil out easier. 

Polaris Sportsman 850 ATV engine oil change

Step 2. Use a 6mm wrench to remove the drain plug.

Polaris Sportsman 850 ATV oil change

Step 3. Use an oil filter wrench while the oil is draining to pull out the old oil filter.

Polaris Sportsman 850 engine oil change

Polaris Sportsman 850 oil filter change

Step 4. Replace the drain plug once the oil has drained, making sure the bolt’s crush washer is in place.

Polaris Sportsman 850 oil change drain bolt

Step 5. Put a dash of oil around the outer seal of the new oil filter, and screw it back into place.

Polaris Sportsman 850 ATV oil filter change

Polaris Sportsman ATV oil filter change

Step 6. Unscrew the dipstick cap, and pour 1 quart of oil at a time into the opening, then secure the dipstick back into place. 

Polaris Sportsman 850 ATV oil change

NOTE: The Polaris oil filter kit comes standard with 2 quarts of oil. The oil capacity for a Polaris Sportsman ATV is 3.6 quarts, but only 2 quarts are needed for this service.

Polaris Sportsman 850 oil change

Step 7. Start up the engine and let it idle for a couple of minutes, then turn off the engine, and let the new oil sit for a minute or two.

Polaris Sportsman ATV oil change

Step 8. Unscrew the dipstick, and wipe it clean before screwing it back into place. Next, remove the dipstick once more to check that the oil level is in the middle of the fill line indicator.

Polaris Sportsman oil change

How to Replace a Polaris Sportsman Air Filter

Step 1. Remove the seat by grabbing the back of the it and pulling hard to release it.

Polaris Sportsman 850 ATV air filter change

Step 2. Remove the air vent from the end of the air filter, then unscrew the two bolts on the air box cover and pull the cover away from the ATV.

Polaris Sportsman 850 ATV air filter replacement

Polaris Sportsman 850 air filter replacement

Polaris Sportsman 850 air filter change

Step 3. Remove the air filter unit, including its pre-filter cleaner sleeve.

Polaris Sportsman ATV air filter change

Polaris Sportsman ATV air filter replacement

Step 4. Pull the pre-filter sleeve off the air filter, then handwash the sleeve in soap and water before rinsing it clean. After washing it, set the pre filter out to dry.

Polaris Sportsman air filter replacement

Step 6. Pull the dry pre-filter over the new air filter, making sure there aren’t any rips in the sleeve.

Polaris Sportsman air filter change

Step 8. Grease the front lip of the new air filter, then seat the air filter at the front of the airbox.

Polaris ATV air filter change

Polaris ATV air filter replacement

Step 9. Secure the airbox cover by hand-tightening the two screws, then reconnect the air vent hose into place.

How to change Polaris Sportsman 850 ATV air filter

How to change Polaris Sportsman 850 air filter

Step 10. Pop the seat back on and you’re done. 

How to replace Polaris Sportsman 850 air filter

 
Filter, Air
Polaris

Filter, Air

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FILTER SLEEVE
Polaris

FILTER SLEEVE

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