Hello All Hope everyone is well and staying as safe as can be in these uncertain times.I have a 13 Sportsman 400HO that developed an engine knock recently.It has 1000 klms and 22 hrs.It was loaned out to family and when it was returned it had this engine knock that was not there before,Nobody...

I bought this from a friend a few weeks ago, he had only put 91 miles on it in the 2 years he owned it! It has around 150 now, front and rear brush guards, and a fresh oil change. It's a great 4 wheeler I was just wanting something faster so I went out last weekend and bought a 2015 850. I'm...

Just purchased a 2008 Polaris Sportsman 400 HO. Did some trail riding this weekend and found almost a 1/4" of oil in the air intake box and the air filter was soaked. I did some looking on this forum and found many issues relating to the 850's and other XP's but not the 400. Anyone have ideas...

HELP PLEASE, I have a 2014 sportsman 400 ho and it is stalling out when it warms up and I am at idle. My RPM's run between 1180 and 1310 at idle. I think I put old fuel in it , so I drained it and put new in, that seemed to help but it still does it every once in a while. Does anyone know what...

Hi Everyone, New to this forum. Just bought a 2014 400 h/o. I'm thinking of adding some implements to the machine to work an acre but I don't want to beat the machine. I'm thinking the Kolpin system is nice, perhaps too heavy duty for the 400. I like the Impact system as it seems lighter...

Hello everyone. I could use some input. First off, which of these two would you recommend for reliability and ease of repair? I know that the sportsman has irs and a bigger engine, but the kingquad has fuel injection on not as much to go wrong with the rear end. I like to work on these myself...