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1913
SUNBEAMS

Model Range
The original 2 h.p. model was supplemented with a 6 h.p. (770cc) JAP twin cylinder machine in June 1913. A 3 h.p. (499cc) side-valve model followed in September 1913.

Cycle Parts
The all-black colour scheme was introduced, with gold leaf lining.

Engine and Gearbox
Unlike the earlier machine, both the 6 h.p. model and 3 h.p. model had a three-speed gearbox.

Sources:
* Robert Cordon Champ, 1980, 'The Sunbeam Motorcycle'. Haynes Publishing.

 

 

 

 

 

T H E   Y E A R ' S   M O D E L S  
2 horse power (349cc) model

 

 
6 horse power (770cc) JAP v-twin model - no photo

 

3 horse power (499cc) model

 
 

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