1966 Harley-Davidson FLH Electra-Glide

The 1966 Harley-Davidson FLH Electra-Glide motorcycle came with the new, more powerful Shovelhead engine, replacing the earlier Panhead model.

In 1965, Harley-Davidson introduced the electric-start version of their FL series, naming it the Electra-Glide. While still powered by the Panhead engine, the bike now carried added weight from the factory and owner-installed accessories, enhanced by the switch from 6-volt to 12-volt electrics, plus the weight of the new starting equipment.

Though the Panhead engine had been reliable, riders were demanding more power. In response, Harley-Davidson introduced an upgraded 74-cubic-inch V-twin engine for 1966.

By pairing new aluminum 'Shovelhead' cylinder heads with the iron barrels, horsepower rose by five, giving the FLH 60 horsepower and the lower-powered FL 54.

The Shovelhead engine, with its smoother operation and increased power, was a much-needed improvement. With the weight of the FL models approaching 800 pounds, the added power was well appreciated by riders.

Despite the increased power and growing weight, the FL models were still hindered by drum brakes at both ends; it wasn't until 1972 that front disc brakes would be introduced.

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1966 Harley-Davidson FLH Electra-Glide Photos

The 1966 Harley-Davidson FLH Electra-Glide saw a boost in horsepower from its new 'Shovelhead' engine, but still struggled with drum brakes on both ends.

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