Earlier this summer, the motorcycle racer turned designer Erik Buell debuted the Erik Buell Racing EBR 1190SX, a naked version of his Wisconsin company’s flagship 1190RX race bike, which launched last year and is competing in the World Superbike Championship. Better suited for the road than the racetrack, the new installment in the 1190 series (priced at $16,995) uses the same 72-degree liquid-cooled V-twin engine as the RX variant, delivering 185 hp and 102 ft lbs of torque. The SX “superfighter,” as Buell ca…