ATV Performance Modifications 2014 sportsman 800 May 6, 2015 Hey everyone, new on her and have evening having HP issues with my new bike…seems extremely sluggish and seems to have a lack of power…any suggestions?? Running 27" tires and upgraded to a k and n filter…other than that still stock Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related