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The Evolution engine (popularly known as Evo) is an air-cooled, 45-degree, V-twin engine manufactured from 1984 by Harley-Davidson for the company's motorcycles. It was made in the 1,340 cc (82 cu in) displacement for Harley-Davidson Big V-twins bikes, replacing the Shovelhead engine until 2000 when the last EVO ...
Our selection of motorcycle engines and accessories includes everything you need for your Harley-Davidson, Kawasaki, Suzuki, Yamaha and Honda. If you're looking for performance, J&P Cycles has all the brands that are synonymous with horsepower, including S&S Cycles options for Twin Cam, Evolution, Shovelhead, ...
Some of us here do work on Harley's. You are correct on the gap, and here's enough to get started on the timing. Pull the spark plugs and set the point gap to .018 for 12volt systems, .022 for 6 volts, on the highest point of the point-cam lobe. Turn engine over until the front cyl point cam lobe (the small one) is coming around and getting ready to open the points. Remove the timing plug on the engine and gently turn the engine on the kickstarter until the timing mark appears in the hole. On most earlier big twins it should be a straight line, get it approx. in the center or slightly before.