Touratech - Chain Guard Sport - Yamaha Tenere 700Installation Instructions Sportier, lighter and leaner than the original part. The robust, laser cut aluminum chain guard replaces the original chain guard and offers reliable protection from a broken chain or a chain that has come off. The original fitting points are retained; it is therefore very easy to fit. It also vastly improves the Tnr's looks, and emphasizes it's sporty lines.