Model: Indian 640 Year: 1939 Owner: Kelleher Family
A detuned Junior Scout motor of 500cc (30x50mm bore and stroke), low compression ratio, mild valve timing, restricted breathing made for easy starting and longevity. However, high performance was not required for military duties. This particular model was only produced from 1939 to 1941.
Photograph taken at the National Motorcycle Museum of Australia


Image courtesy Mike Kelley, Chapter President, Maryland VRAMaryland VRA