Supercharged! The Yamaha SR400 gets Kruggered

We're not sure how much longer Yamaha can keep the iconic SR400 on its roster. With European emissions laws tightening, its days are numbered. Still, the plucky little thumper remains a favorite with custom builders—even superstars like Belgium’s Fred ‘Krugger’ Bertrand, who has won the AMD World Championship twice. When Fred was asked by Yamaha Motor Europe to build a bike, any bike, the SR400 was his top pick. And why is that, when acclaimed modern Yamahas such as the XSR700 are available? “Because it's a light machine with a single cylinder,” says Krugger simply. “A return to the basics...