1970 In consideration of new AMA rules for Class C racing, a new Sportster®-based motorcycle, the XR-750 racer is introduced.   On the Bonneville salt flats near Wendover, Utah, racer Cal Rayborn breaks the world record for land speed set by a motorcycle. The vehicle is a sixteen foot streamliner powered by a single Sportster engine, and averages just over 265 mph.   1971 In response to the customizing craze, Harley-Davidson introduces the FX 1200 Super Glide®, which combined a sporty front end (similar to that of the XL series) with the frame and powertrain of the FL series. A new class of motorcycle, the cruiser, is born.   First year of Harley-Davidson snowmobile production.   1972 The new, more powerful, more reliable aluminum alloy XR-750 debuts. It becomes the dominant dirt track racer through the next three decades. Dirt track racer Mark Brelsford wins the AMA Grand National Championship on the XR-750 this year.   1973 Motorcycle production is upgraded when all assembly operations are moved to a modern 400,000 square foot plant in York, Penn. All other production operations remain in Milwaukee and Tomahawk. The Capitol Drive plant in Milwaukee begins production of engines.   1975 The first of four more consecutive years of Harley-Davidson AMA Grand National Championships in dirt track racing. Gary Scott wins in 1975. The following three years are won by racing legend Jay Springsteen.   1977 Harley-Davidson introduces the FXS Low Rider® to the public in Daytona Beach. With drag style handlebars, unique engine and paint treatments, the Low Rider lives up to its name by placing the rider in a lowered seating position than was typical. Later in the same year, Willie G. Davidson's dynamic version of the Sportster, the Cafe Racer, is released.   1979 Introduction of the FXEF Fat Bob, "Fat" because of the dual gas tanks, "Bob" for the bobbed fenders.   Legal Notice | Privacy Policy | We Care About You | Harley-Davidson Financial Services | Site Map © 2001-2009 H-D. All rights reserved.