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Based off the Timeless design of the Ironhead Sportster, in 1986, Harley-Davidson upgraded the Sportster with the newly designed Evo engine, replacing its predecessor that had become a staple of the Sportster since its inception. Harley's decision to stick with the semi-unit construction of previous Sportsters resulted in a distinct valve train. Unlike most of today's motorcycle engines, the Sportster Evo uses just one cam per each overhead valve, resulting in four independent gear driven camshafts. This setup results in cam lobes that are in-line with each other, resulting in a parallel pushrod configuration.
Old Bike Barn offers a wide selection of parts to keep old motorcycles on the road. Things like engine gasket sets, carburetor kits, fork seals, levers, cables, brake pads and more to help you resurrect and maintain your Evo Sportster. We also believe that any machine can be turned into a Café Racer, Street Tracker, Bobber or Chopper and we offer a wide selection of parts to retrofit almost any beast in those traditional styles. Our team rides and wrenches so feel free to reach out if you have questions about your Sportster!