Polaris 1988 Trail Boss Owners Maintenance Operators Manual This is a Genuine Polaris owners manual! Part No. 9911488 62 Pages 1988 Edition This Manual is the REAL DEAL and not a reprint. I recently purchased a huge lot of manuals from a 75+ year Massey Ferguson dealer that closed. This manual has been used in a repair shop and may have dirt, grease, fingerprints, writing, and smudging on some pages.