Graves Motorsports Suspension Technician Chris Lessing We speak with Graves Motorsports Suspension Technician Chris Lessing about his ritual of suspension service each Thursday before every AMA race weekend. Graves Motorsports spearheads the Factory Yamaha effort, but also supports many other bikes in competition. Be sure to check out other Roadracing World feature videos. Video provided by ~http://www.OnTheThrottle.tv~ and ~http://www.YouTube.com~