How to Fix an Overheating Polaris 700 ATV

by Brianna Collins

Polaris designed the Sportsman 700 EFI with trail-riders and heavy-duty workers in mind. Equipped with a 700 cc engine, on-demand four-wheel drive, and a towing capacity of 1,500 pounds, the Sportsman 700 is a powerful machine designed to get the job done. However, an overheating quad can be a dangerous problem that can get in the way of work and entertainment alike. For overheating problems requiring minor repairs, Polaris includes a number of troubleshooting tips in its owner's manual, specifically dealing with overheating problems due to inadequate amounts of engine oil, a plugged radiator or screen, and low levels of coolant.

Engine Oil

1

Check the engine oil levels, as inadequate amounts may cause the engine to overheat. Begin this check by parking the Sportsman 700 on level ground.

2

Lift the lever lock on the engine oil cap, located the oil tank on the left side of the quad, to remove the dipstick.

3

Wipe the dipstick clean with a dry cloth.

4

Reinsert the dipstick completely into the oil tank and remove it once more.

5

Check the oil mark on the side of the dipstick. Oil levels should be between the two marks on the side of the dipstick, known as the "safe range."

6

Refill with 0W-40 engine oil if the engine oil level was beneath the lower mark. Fill until engine oil level is within the safe range.

7

Reinsert the dipstick and lever lock.

8

Restart the engine. If it continues to overheat, move to the next section.

Front Screen and Radiator

1

Inspect the screen located at the front of the Sportsman 700.

2

Remove the screen if it appears dirty or is filled with debris. Do this by gently pulling the top portion of the screen away first, followed by the lower portion.

3

Remove visible debris and rinse clean with a garden hose.

4

Inspect the radiator fins, located behind this front screen. If they are also dirty, rinse clean with a garden hose.

5

Reinstall the front screen, pushing the bottom portion in place first and the top section in second.

6

Restart the engine and move to the next section if the Sportsman continues to overheat.

Coolant

1

Check the coolant levels in the recovery bottle, located on the left side of the Sportsman 700 underneath the left-side panel.

2

Refill with more coolant if the coolant level is below the "MIN" or minimum mark on the side of the transparent bottle.

3

Unscrew the coolant recovery bottle cap by hand and pour in a mixture of 60 percent antifreeze and 40 percent coolant until the coolant level is between the "Min" and "Max" marks.

4

Screw the recovery bottle cap back on and reinstall the left-side panel.

5

Restart the engine. If it still overheats, take the quad to a certified Polaris dealer.

Items you will need

About the Author

Brianna has been writing professionally since 2009. She has a Bachelor of Fine Arts degree and is excited to be part of a community that contributes to the free sharing of information and ideas.

Photo Credits

  • photo_camera garden serpent image by Adam Borkowski from Fotolia.com