1972 Harley-Davidson XR750

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The 1972 Harley-Davidson XR750 motorcycle was made in the U.S.A. It featured an air-cooled 45o v-twin four stroke engine. The ignition was from a Fairbanks-Morse magneto. The engine was rated at approximately 90 b.h.p. The displacement was 45 cu. in. based upon a bore and stroke of 3.125" X 2.98". Fuel was supplied via two Mikuni carburetor. Getting the power to the ground was by a four speed transmission. The suspension featured front Ceriani telescopic forks with Girling twin shocks in the rear. Braking was provided by front four-shoe Fontana drum and single rear disc. The motorcycle weighed in at 320 pounds. Top speed for the bike was 160 m.p.h.

According to the museum's fact sheet "Originally built for Harley Davidson factory rider Bart Markel to compete in AMA dirt track races, this machine was then converted to full road racing specifications by factory technician and famed tuner, Bill Werner. Shipped to Harley's subsidiary, Aermacchi in Versace, Italy, for factory rider Renzo Pasolini, the "Big Harley" was immensely popular with European enthusiasts."

Last Updated: May 25, 2011

Updates to this page:
  • May 25, 2011 - updated page layout
  • November 26, 2010 - updated page layout
  • April 06, 2007 - Created this page and added it to my web site.
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