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Precision Motorcycles

Regal Green 1912 TT Model

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Detalle de la Regal Green TT. Observen la bujía especial que tenía este motor. Su extraordinario largo se debía a la profundidad de la camisa refrigerada por agua.
Detail of the Regal Green TT. Look at the special spark plug that I had this engine. His extraordinary long was due to the depth of the water-Cooled shirt.
Image made available thanks to Boston City Library