The Slash 5 series (R50/5, R60/5 and R75/5 of 500, 600 and 750cc) was announced for the 1970 season and represented a revolution in BMW motorcycle design. Though the flat-twin BMW boxer engine layout remained, just about everything else was new. @750cc Many feel the BMW R75 /5 series among the first sport touring cycles of its era. The R75 /5 was stealthy and much faster than it looked! Having posted quarter-mile times in the high 13-second range and a top speed close to 110mph. It tours effortlessly at 80mph all day long, returning 50mpg in the process with exceptional handling as well.