Upcoming Events

Apr
22
Sat
9:00 am The 37th Carole Nash Internation... @ Staffordshire County Showground
The 37th Carole Nash Internation... @ Staffordshire County Showground
Apr 22 @ 9:00 am – Apr 23 @ 5:00 pm
A flagship event of the classic motorcycling calendar, the Carole Nash International Classic MotorCycle Show is well into its fourth decade and is still going strong. Welcoming the very best that classic British motorcycling has[...]
May
6
Sat
all-day Endurance Legends at Donington Park @ Donington Park
Endurance Legends at Donington Park @ Donington Park
May 6 – May 7 all-day
UK’S ONLY 4HR CLASSIC MOTORCYCLE ENDURANCE RACE WILL RETURN TO DONINGTON PARK ON 6-7TH MAY 2017 After the huge success of the inaugural Endurance Legends in October 2015 – the UK’s first 4 hour classic[...]
Jun
8
Thu
all-day Ton-Up Track Day @ Lurcy Levis Circuit
Ton-Up Track Day @ Lurcy Levis Circuit
Jun 8 – Jun 10 all-day
For the past 19 years, the Ton Up Club have organised this excellent annual track day weekend in France. Dedicated to pre-1983 British and pre-1985 Italian bikes, it always attracts an impressive collection of classic[...]

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Factory Numbering System

Machine numbers are composed of a model number, a two character date code and a five digit serial number. On some models, the model number is a prefix and on others it is a suffix. For example:

T160NN43128

CH27346T150V

The actual month of build is shown by the first letter.  The second letter gives the model year.

Production for sales in the following year began in August, so the prefix NH indicates a 1973 model built in October 1972.

Frame and engine numbers matched when the machines left the factory.

First Letter Second Letter
A  January C  1969
B  February D  1970
C  March E  1971
D  April G  1972
E  May H  1973
G  June J   1974
H  July K  1975
J   August N  1976
K  September
N  October
P  November