As the largest of BMW’s new line of Slash-Six models introduced for the 1974 model year, the BMW R90 /6 plugged an important hole in the famed BMW line-up. In the growing American marketplace, bigger was increasingly better! Details: Years produced: 1974-1976 Claimed power: 60hp @ 6,500rpm Top speed: 115mph (period test) Engine type: 898cc, air-cooled, two valves per cylinder, horizontally-opposed twin Weight: (wet) 210 kg (462lb) MPG: 45-50