Please Yamaha, build a scrambler as cool as this SR250

We’ve got used to heavy motorcycles. These days, anything around 450 pounds or 200 kilos is regarded as light. And most of the bestselling bikes in the USA weight 600 pounds or more. In the days before emissions controls, fuel injection systems and electronic aids, bikes were smaller and lighter. And in Europe especially, compact commuters sold by the shipload—bikes like the Yamaha SR250. Known as the Yamaha Exciter in the US, this feisty little single weighed around 287 pounds (130 kilos) wet. Efraón Triana loves small bikes. The Madrid-based builder runs UFO Garage, although he made his name as...