Yamaha Motor Corp., USA, the leading maker of ATV and Side-by-Side (SxS) vehicles for outdoorsmen and women, is supporting the National Hunting and Fishing Day (NHF Day) again in 2015, and this year is giving away the all-new Yamaha Wolverine R-Spec in Hunter Green through an online sweepstakes at: www.yamahaoutdoors.com/nhfday.