Science Fair Project Encyclopedia
Knucklehead
The knucklehead was an early Harley-Davidson motorcycle engine, so named because of the distinct shape of the rocker covers . The engine is a two cylinder, two valve per cylinder, pushrod V-twin.
03-10-2013 05:06:04
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


