c. 1932 Norton Special Project, 500 cc. Registration number ...

Hammer

£8,000

c. 1932 Norton Special Project, 500 cc. Registration number (not registered). Frame number 33/500 58666. Engine number CS 52760. Gearbox TNS 32958.
The engine of the CS1 first appeared in 1927 as the power plant for the works racers and in a road bike the following year, sharing the same frame and cycle parts as its stablemate the ES2, as a touring version of the International.
The drive to the overhead camshaft is by a vertical shaft with a bevel gear at either end and features the characteristically 'cricket bat' shaped cover to the timing chest. The cambox is a separate casting bolted to the cylinder head and has protruding rocker arms to actuate the valves. In 1929, the designer, Walter Moore, left Norton for NSU in Germany and as he owned the original patent, continued to make the engine under the NSU banner. Norton therefore got Arthur Carroll to completely redesign the engine and he came up with the familiar shape that was to be produced for the next thirty years. The CS1 carried on, using this new engine from 1931 until 1939.
There is no history with these parts and buyers should satisfy themselves as to the age and completeness.