**/****screenplay by L.G. Bayãodirected by Vincente Amorim by Bill Chambers There is a whole subtext, nay, context begging to be unpacked in Motorrad, yet the filmmaking never inspires much curiosity about it, and it's all too easy to substitute the legacy of George Miller's Mad Max movies for table-setting. Shaggy Hugo (Guilherme Prates) breaks into a seemingly-abandoned garage and sees a carburetor he would like. The proprietor chases him with a shotgun, but an alluring, tomboyish woman (Carla Salle) intervenes, like the farmer's daughter convincing daddy not to shoot the stranger climbing out her bedroom window. Instead, they brand Hugo,…