Question about Polaris ATV
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
If you have gone through the carburetor and your atv still won't rev it sounds like the exhaust lobe on the camshaft is going flat. They have an overhead camshaft in the 500 motor and the exhaust lobes seem to wear down if the oil is broken down (gas in oil) or if the wrong oil is used. Easy way to tell is to remove the 8 screws on valve cover and the spark plug. Then remove the 4 screws holding down the rocker arms. Once the rocker arms are removed you can see the camshaft, pull on the recoil rope to rotate engine until the lobes are facing upward. The two outer lobes are the intake lobes, and the center is the exhaust lobe. If the exhaust is worn, you will definitely be able to tell because it should be about the same height as the intake. Or if you don't feel comfortable doing that I would recommend a reputable repair shop. Hope this helps, and if you need more help let me know, Daniel.
Posted on Sep 30, 2011
Here's a link that should help you.
Posted on Jan 22, 2016
Tips for a great answer:
Jul 18, 2017 | ATVs
Jul 02, 2017 | ATVs
Oct 16, 2016 | ATVs
Feb 29, 2016 | Polaris ATV
Jan 10, 2016 | Polaris 2014 Sportsman 570 EFI
Nov 29, 2015 | Polaris 2004 Sportsman 700 Twin
Mar 08, 2015 | Polaris 2007 Sportsman 700 EFI
Jul 19, 2014 | Polaris 2013 Sportsman 550 EPS
312 people viewed this question
Usually answered in minutes!