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

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

Got a Polaris ATV that's squeaking badly when it bounces up and down? John Talley says you might have to re-grease the zerk fittings.

What can high oil pressure damage on a Polaris ATV? John Talley weighs in on high oil pressure affecting a Polaris High Lifter engine.

Drive clutch or driven clutch? It can get confusing. John Talley answers a question about which clutch could be causing rev problems on a Polaris ATV.

An ATV with heavy dirt buildup in the airbox could need a new cylinder and piston rings. John Talley weighs in on what could be causing black soot buildup in a Polaris Sportsman airbox.

How do you bleed the brakes on a Polaris Sportsman? John Talley answers questions about bleeding Polaris ATV brakes.

Not all ATVs are great for mudding, but these four quads are champs at powering through sludge.

When bleeding the brakes on a Polaris ATV, do you start with the front or back brakes first? John Talley answers this question about a Polaris Sportman ATV.