Harley-Davidson Knucklehead V-Twin Motorcycles - HISTORY OF THE BIG TWIN
The H-D Knucklehead V-twin was introduced in 1936. Here’s a look at the technical evolution of the 61-cu.-in. engine and chassis of Harley-Davidson’s first OHV Big Twin.
Latest
The H-D Knucklehead V-twin was introduced in 1936. Here’s a look at the technical evolution of the 61-cu.-in. engine and chassis of Harley-Davidson’s first OHV Big Twin.
Latest
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