
1937 Harley-Davidson “Knucklehead” Motorcycle Engine
Craftsman: Replica Engines
Knapp Collection #: 99
Catalog #: 2009.9.13
Contributor: Paul Knapp
This 1/4 scale model 1937 Harley-Davidson “Knucklehead” motorcycle engine is 9”-long, 9”-wide, and 9”-high.

Bobber V-Twin Custom Motorcycle
Craftsman: Stephen J. King
Knapp Collection #: 412
Catalog #: 2016.8.9
Contributor: Paul Knapp
This Bobber V-twin custom motorcycle measures just 13″-long. It’s powered by a custom-built 7cc side-valve 120-degree V-twin.
Showing 2 of 2 exhibits.