1949 Nimbus Model C

The Danish Model C inline 4-cylinder makes speed easy to obtain but double-declutching is best for a transmission lacking synchronizer rings.

By Margie Siegal
Updated on October 6, 2021
article image
by Nick Cedar

“I saw my first Nimbus in 1974 in Copenhagen,” remembers Allen Siekman. “I was chasing family heritage. The rider had stopped at a traffic light. He was wearing a Barbour jacket and half helmet and goggles, and looked right out of the Thirties. I was mesmerized by the ends of the rocker arms waving at me on the sidewalk.”

In the month Siekman was in Denmark, he was able to watch several more Nimbuses traverse the streets. Many years later, Siekman finally has his own Nimbus. He has found it is as enjoyable to ride as it is to look at.

Engine: 746cc air-cooled 4-stroke SOHC inline four, 60mm x 66mm bore and stroke, 5.7:1 compression ratio, 22hp @ 4,500rpm
Top speed: 75mph (est.)
Carburetion: Single barrel carburetor, made in house by Nimbus
Transmission: 3-speed, left foot shift, shaft final drive

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