A few simple tips from Partzilla's ATV expert  for doing winter maintenance on a Polaris Sportsman.

Troubleshooting Polaris UTV that's running on one dead cylinder.

Steps and video on how to replace the prop shaft on a Polaris RZR 900S UTV.

If your Polaris ATV is burning oil and fouling up spark plugs quickly, take a peek in the airbox and do a leak down test.

Partzilla's side-by-side expert John Talley offers a couple of general tips for rebuilding the top end of a Polaris Ranger 800 engine.

What could be causing your Polaris Sportsman 850XP to overheat? Did you check the thermostat?

If your Polaris ATV is sputtering , you may have a fuel and air mixture problem on your hands.

When a Polaris Sportsman revs up but doesn't move on acceleration, it might be time to inspect the drive belt. 

Who builds a better UTV between Polaris and Yamaha? It's subjective, and everyone has their preference, including Partzilla's side-by-side expert John Talley.