Japanese MotoGP rider Aoki Nobuatsu wheelies his Proton KR during a... News Photo - Getty Images
VENTO 200 PROTON - YouTube
Kenny Roberts Puts Two KR Proton GP Bikes Up for Auction - Asphalt & Rubber
Kenny Roberts has put two of his KR Proton GP bikes up for auction. | Racing bikes, Super bikes, Bike
Motor Sport - Moto GP - British Grand Prix - Donington Park - 11-13/7/03 Jeremy McWilliams - Proton Team KR Mandatory Credit: Action Images / Mick Walker Stock Photo - Alamy