One Year Wonder: The 1975 Harley-Davidson RR500

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Photo by Stefano Gadda
Alan Cathcart on the 1975 Harley-Davidson RR500.

Harley-Davidson RR500
Top speed:
174mph (280kph)
Engine:
488cc water-cooled reed-valve 2-stroke parallel twin, 72mm x 60mm bore and stroke, 12:1 compression ratio, 89hp @ 10,500rpm (rear wheel)
Weight:
273lb (124kg) with oil/water, no fuel
Fuel capacity:
7.4gal (28ltr)

  • Published on Dec 10, 2015
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