Horizon Fitness EX66 Elliptical Horizon Fitness Updated October 05, 2021 22:51 For the 2008 Horizon Fitness EX66 Owner's Guide, please click here. For the 2008 Horizon Fitness EX66 Exploded Diagram, please click here. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Comments 0 comments Please sign in to leave a comment.