ATV General Discussion 1991 Polaris 4×4 4 stroke July 19, 2015 Hi, I just bought a 1991 Polaris 4×4 4 stroke, but I don’t know if it’s a trail boss or a trail blazer? Anybody can help me out? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related