Atmospheric Inlet Valve - The falling of the pistons activates the opening of inlet valves by causing a vacuum. Usually found in the early single cylinder Harleys.
Ape Hangers - Elevated handlebars raising the rider’s hands above the shoulders.
Buell - First built by Eric Buell, a former Harley-Davidson employee, these are the v-twin Harley-engined bikes which helped the company win a share in the sports bike market.
Big-Twin - A designation used for the larger sized Harley-Davidson engines. Sportster
Tags: bikes, custom, customised, harley davidson terms, motorcycles