Stunning Sigrid: A most unusual BMW R90/6 from Titan

There’s a downside to the current popularity of BMW customs: a certain ‘sameness’ creeping in. After all, there are only so many ways you can tweak that familiar frame and boxer engine. This new build from Austria’s Titan Motorcycles is very different, though—and unlike many builds that try to be different, it works beautifully. You’d never guess, but it’s based on an R90/6 from the 1970s, which means it has the 898 cc version of the venerable air-cooled motor. Titan’s Michael Siebenhofer came across the R90/6 while browsing an Austrian online classifieds site. “It was was offered as ‘individual parts',”...